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U.S. Securities and Exchange Commission's Electronic Data Gathering, Analysis, and Retrieval system Sec13 Mar 2024 U.S. Securities and Exchange Commission's Electronic Data Gathering, Analysis, and Retrieval system, United States

Text

Entity

entityName vTv Therapeutics Inc.
Cik 1641489
Form 10-K
Filed 2024-03-13
Fp FY
Fy 2023
Accn 0001641489-24-000012

Facts up to 2023-12-31

  1. Description The cash inflow from the additional capital contribution to the entity.
    Fact ProceedsFromIssuanceOfCommonStock
    Label Proceeds from Issuance of Common Stock
    Start 2023-01-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  2. Description Amount of cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage. Excludes amount for disposal group and discontinued operations. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.
    Fact CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
    Label Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents
    Taxonomy us-gaap
    Unit USD
    Val 9,446,000
  3. Description Amount of discretionary contributions made by an employer to a defined contribution plan.
    Fact DefinedContributionPlanEmployerDiscretionaryContributionAmount
    Label Defined Contribution Plan, Employer Discretionary Contribution Amount
    Start 2023-01-01
    Taxonomy us-gaap
    Unit USD
    Val 100,000
  4. Description Amount of income (expense) related to nonoperating activities, classified as other.
    Fact OtherNonoperatingIncomeExpense
    Frame CY2023
    Label Other Nonoperating Income (Expense)
    Start 2023-01-01
    Taxonomy us-gaap
    Unit USD
    Val -1,497,000
  5. Description Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.
    Fact IncomeTaxExpenseBenefit
    Label Income Tax Expense (Benefit)
    Start 2023-01-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  6. Description Amount of asset related to consideration paid in advance for costs that provide economic benefits in future periods, and amount of other assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer.
    Fact PrepaidExpenseAndOtherAssetsCurrent
    Label Prepaid Expense and Other Assets, Current
    Taxonomy us-gaap
    Unit USD
    Val 1,044,000
  7. Description The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.
    Fact Depreciation
    Label Depreciation
    Start 2023-01-01
    Taxonomy us-gaap
    Unit USD
    Val 90,000
  8. Description The increase (decrease) during the reporting period in amount due within one year (or one business cycle) from customers for the credit sale of goods and services.
    Fact IncreaseDecreaseInAccountsReceivable
    Label Increase (Decrease) in Accounts Receivable
    Start 2023-01-01
    Taxonomy us-gaap
    Unit USD
    Val -71,000
  9. Description Carrying value as of the balance sheet date of notes payable (with maturities initially due after one year or beyond the operating cycle if longer), excluding current portion.
    Fact LongTermNotesPayable
    Label Notes Payable, Noncurrent
    Taxonomy us-gaap
    Unit USD
    Val 0
  10. Description Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use.
    Fact OperatingLeasePayments
    Label Operating Lease, Payments
    Start 2023-01-01
    Taxonomy us-gaap
    Unit USD
    Val 200,000
  11. Description Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability.
    Fact OperatingLeaseCost
    Label Operating Lease, Cost
    Start 2023-01-01
    Taxonomy us-gaap
    Unit USD
    Val 200,000
  12. Description The estimated measure of the minimum percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period.
    Fact ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum
    Label Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Minimum
    Start 2023-01-01
    Taxonomy us-gaap
    Unit pure
    Val 1.21
  13. Description Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated.
    Fact ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice
    Frame CY2023
    Label Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price
    Start 2023-01-01
    Taxonomy us-gaap
    Unit USD/shares
    Val 39.84
  14. Description Present value of lessee's discounted obligation for lease payments from operating lease.
    Fact OperatingLeaseLiability
    Frame CY2023Q4I
    Label Operating Lease, Liability
    Taxonomy us-gaap
    Unit USD
    Val 338,000
  15. Description Value received from shareholders in common stock-related transactions that are in excess of par value or stated value and amounts received from other stock-related transactions. Includes only common stock transactions (excludes preferred stock transactions). May be called contributed capital, capital in excess of par, capital surplus, or paid-in capital.
    Fact AdditionalPaidInCapitalCommonStock
    Label Additional Paid in Capital, Common Stock
    Taxonomy us-gaap
    Unit USD
    Val 256,335,000
  16. Description Amount of cash inflow (outflow) from financing activities, including discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit.
    Fact NetCashProvidedByUsedInFinancingActivities
    Label Net Cash Provided by (Used in) Financing Activities
    Start 2023-01-01
    Taxonomy us-gaap
    Unit USD
    Val 11,997,000
  17. Description Amount of Net Income (Loss) attributable to noncontrolling interest.
    Fact NetIncomeLossAttributableToNoncontrollingInterest
    Label Net Income (Loss) Attributable to Noncontrolling Interest
    Start 2023-01-01
    Taxonomy us-gaap
    Unit USD
    Val -5,716,000
  18. Description Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.
    Fact RevenueFromContractWithCustomerExcludingAssessedTax
    Label Revenue from Contract with Customer, Excluding Assessed Tax
    Start 2023-01-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  19. Description Change in noncontrolling interest during the period as a result of a change in the redemption value of redeemable noncontrolling interest.
    Fact MinorityInterestChangeInRedemptionValue
    Label Noncontrolling Interest, Change in Redemption Value
    Start 2023-01-01
    Taxonomy us-gaap
    Unit USD
    Val -4,732,000
  20. Description Percentage employer matches of the employee's percentage contribution matched.
    Fact DefinedContributionPlanEmployerMatchingContributionPercentOfMatch
    Frame CY2023
    Label Defined Contribution Plan, Employer Matching Contribution, Percent of Match
    Start 2023-01-01
    Taxonomy us-gaap
    Unit pure
    Val 0.5
  21. Description Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities; of income (loss) available to common shareholders.
    Fact NetIncomeLossAvailableToCommonStockholdersBasic
    Label Net Income (Loss) Available to Common Stockholders, Basic
    Start 2023-01-01
    Taxonomy us-gaap
    Unit USD
    Val -20,250,000
  22. Description The minimum risk-free interest rate assumption that is used in valuing an option on its own shares.
    Fact ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum
    Label Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Minimum
    Start 2023-01-01
    Taxonomy us-gaap
    Unit pure
    Val 0.03
  23. Description The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.
    Fact PaymentsToAcquirePropertyPlantAndEquipment
    Label Payments to Acquire Property, Plant, and Equipment
    Start 2023-01-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  24. Description The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.
    Fact ProfitLoss
    Label Net Income (Loss), Including Portion Attributable to Noncontrolling Interest
    Start 2023-01-01
    Taxonomy us-gaap
    Unit USD
    Val -25,966,000
  25. Description Gross number of share options (or share units) granted during the period.
    Fact ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
    Frame CY2023
    Label Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross
    Start 2023-01-01
    Taxonomy us-gaap
    Unit shares
    Val 43,786
  26. Description This element represents the total net income attributable to the parent for the period and the effect of net changes during the period impacting the parent's ownership interest in a subsidiary as it relates to the total (consolidated) equity attributable to the parent. The changes to the parent's ownership interest in a subsidiary represented by this element did not result in a deconsolidation of the subsidiary from the consolidated financial statements.
    Fact ConsolidationLessThanWhollyOwnedSubsidiaryParentOwnershipInterestChangeDueToNetIncomeAttributableToParentAndEffectsOfChangesNet
    Label Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Change Due to Net Income Attributable to Parent and Effects of Changes, Net
    Start 2023-01-01
    Taxonomy us-gaap
    Unit USD
    Val -20,250,000
  27. Description Amount of unrealized gain (loss) on investment.
    Fact UnrealizedGainLossOnInvestments
    Label Unrealized Gain (Loss) on Investments
    Start 2023-01-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  28. Description Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.
    Fact PropertyPlantAndEquipmentNet
    Label Property, Plant and Equipment, Net
    Taxonomy us-gaap
    Unit USD
    Val 117,000
  29. Description Amount of increase (decrease) in the valuation allowance for a specified deferred tax asset.
    Fact ValuationAllowanceDeferredTaxAssetChangeInAmount
    Frame CY2023
    Label Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount
    Start 2023-01-01
    Taxonomy us-gaap
    Unit USD
    Val 4,600,000
  30. Description Amount of impairment loss on investment in equity security without readily determinable fair value.
    Fact EquitySecuritiesWithoutReadilyDeterminableFairValueImpairmentLossAnnualAmount
    Label Equity Securities without Readily Determinable Fair Value, Impairment Loss, Annual Amount
    Start 2023-01-01
    Taxonomy us-gaap
    Unit USD
    Val 4,245,000
  31. Description The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income, net of any cash received during the current period as refunds for the overpayment of taxes.
    Fact IncomeTaxesPaidNet
    Label Income Taxes Paid, Net
    Start 2023-01-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  32. Description Amount of unrecognized tax benefits.
    Fact UnrecognizedTaxBenefits
    Frame CY2023Q4I
    Label Unrecognized Tax Benefits
    Taxonomy us-gaap
    Unit USD
    Val 0
  33. Description The estimated measure of the maximum percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period.
    Fact ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum
    Label Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Maximum
    Start 2023-01-01
    Taxonomy us-gaap
    Unit pure
    Val 1.27
  34. Description Amount of expense (income) related to adjustment to fair value of warrant liability.
    Fact FairValueAdjustmentOfWarrants
    Frame CY2023
    Label Fair Value Adjustment of Warrants
    Start 2023-01-01
    Taxonomy us-gaap
    Unit USD
    Val 300,000
  35. Description Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from investments (excludes investments in subsidiaries and equity method investments).
    Fact DeferredTaxAssetsInvestments
    Label Deferred Tax Assets, Investments
    Taxonomy us-gaap
    Unit USD
    Val 2,726,000
  36. Description Amount of cash paid for interest, excluding capitalized interest, classified as operating activity. Includes, but is not limited to, payment to settle zero-coupon bond for accreted interest of debt discount and debt instrument with insignificant coupon interest rate in relation to effective interest rate of borrowing attributable to accreted interest of debt discount.
    Fact InterestPaidNet
    Label Interest Paid, Excluding Capitalized Interest, Operating Activities
    Start 2023-01-01
    Taxonomy us-gaap
    Unit USD
    Val 14,000
  37. Description Amount of asset related to consideration paid in advance for insurance that provides economic benefits within a future period of one year or the normal operating cycle, if longer.
    Fact PrepaidInsurance
    Label Prepaid Insurance
    Taxonomy us-gaap
    Unit USD
    Val 680,000
  38. Description Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).
    Fact LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths
    Frame CY2023Q4I
    Label Lessee, Operating Lease, Liability, to be Paid, Year One
    Taxonomy us-gaap
    Unit USD
    Val 194,000
  39. Description Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.
    Fact AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
    Label Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount
    Start 2023-01-01
    Taxonomy us-gaap
    Unit shares
    Val 903,141
  40. Description Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.
    Fact AssetImpairmentCharges
    Label Asset Impairment Charges
    Start 2023-01-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  41. Description Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.
    Fact IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
    Label Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest
    Start 2023-01-01
    Taxonomy us-gaap
    Unit USD
    Val -25,966,000
  42. Description Carrying value of amounts transferred to third parties for security purposes that are expected to be returned or applied towards payment within one year or during the operating cycle, if shorter.
    Fact DepositsAssetsCurrent
    Label Deposits Assets, Current
    Taxonomy us-gaap
    Unit USD
    Val 65,000
  43. Description The total amount of investments that are intended to be held for an extended period of time (longer than one operating cycle).
    Fact LongTermInvestments
    Frame CY2023Q4I
    Label Long-term Investments
    Taxonomy us-gaap
    Unit USD
    Val 0
  44. Description The amount of income tax expense or benefit for the period computed by applying the domestic federal statutory tax rates to pretax income from continuing operations.
    Fact IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate
    Label Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount
    Start 2023-01-01
    Taxonomy us-gaap
    Unit USD
    Val -5,453,000
  45. Description Amount of loss from downward price adjustment on investment in equity security without readily determinable fair value.
    Fact EquitySecuritiesWithoutReadilyDeterminableFairValueDownwardPriceAdjustmentAnnualAmount
    Frame CY2023
    Label Equity Securities without Readily Determinable Fair Value, Downward Price Adjustment, Annual Amount
    Start 2023-01-01
    Taxonomy us-gaap
    Unit USD
    Val 4,200,000
  46. Description The amount of the tax credit carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.
    Fact TaxCreditCarryforwardAmount
    Label Tax Credit Carryforward, Amount
    Taxonomy us-gaap
    Unit USD
    Val 2,215,000
  47. Description Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.
    Fact AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
    Label Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment
    Taxonomy us-gaap
    Unit USD
    Val 487,000
  48. Description The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.
    Fact ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber
    Frame CY2023Q4I
    Label Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number
    Taxonomy us-gaap
    Unit shares
    Val 142,349
  49. Description The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term.
    Fact ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate
    Label Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate
    Start 2023-01-01
    Taxonomy us-gaap
    Unit pure
    Val 0
  50. Description Amount of increase to additional paid-in capital (APIC) for recognition of cost for award under share-based payment arrangement.
    Fact AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
    Label APIC, Share-based Payment Arrangement, Increase for Cost Recognition
    Start 2023-01-01
    Taxonomy us-gaap
    Unit USD
    Val 1,578,000
  51. Description Amount of liabilities and equity items, including the portion of equity attributable to noncontrolling interests, if any.
    Fact LiabilitiesAndStockholdersEquity
    Label Liabilities and Equity
    Taxonomy us-gaap
    Unit USD
    Val 11,018,000
  52. Description Present value of lessee's discounted obligation for lease payments from operating lease, classified as current.
    Fact OperatingLeaseLiabilityCurrent
    Label Operating Lease, Liability, Current
    Taxonomy us-gaap
    Unit USD
    Val 169,000
  53. Description Including the current and noncurrent portions, aggregate carrying amount of all types of notes payable, as of the balance sheet date, with initial maturities beyond one year or beyond the normal operating cycle, if longer.
    Fact NotesPayable
    Label Notes Payable
    Taxonomy us-gaap
    Unit USD
    Val 191,000
  54. Description Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to state and local income tax expense (benefit).
    Fact IncomeTaxReconciliationStateAndLocalIncomeTaxes
    Label Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount
    Start 2023-01-01
    Taxonomy us-gaap
    Unit USD
    Val -2,000
  55. Description The increase (decrease) during the reporting period in the amounts payable to vendors for goods and services received and the amount of obligations and expenses incurred but not paid.
    Fact IncreaseDecreaseInAccountsPayableAndAccruedLiabilities
    Label Increase (Decrease) in Accounts Payable and Accrued Liabilities
    Start 2023-01-01
    Taxonomy us-gaap
    Unit USD
    Val 2,929,000
  56. Description Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.
    Fact ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
    Label Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price
    Taxonomy us-gaap
    Unit USD/shares
    Val 77.53
  57. Description Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.
    Fact AccountsReceivableNetCurrent
    Label Accounts Receivable, after Allowance for Credit Loss, Current
    Taxonomy us-gaap
    Unit USD
    Val 102,000
  58. Description Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.
    Fact AllocatedShareBasedCompensationExpense
    Label Share-based Payment Arrangement, Expense
    Start 2023-01-01
    Taxonomy us-gaap
    Unit USD
    Val 1,578,000
  59. Description As of the reporting date, the aggregate carrying amount of all noncontrolling interests which are redeemable by the (parent) entity (1) at a fixed or determinable price on a fixed or determinable date, (2) at the option of the holder of the noncontrolling interest, or (3) upon occurrence of an event that is not solely within the control of the (parent) entity. This item includes noncontrolling interest holder's ownership (or holders' ownership) regardless of the type of equity interest (common, preferred, other) including all potential organizational (legal) forms of the investee entity.
    Fact RedeemableNoncontrollingInterestEquityCarryingAmount
    Label Redeemable Noncontrolling Interest, Equity, Carrying Amount
    Taxonomy us-gaap
    Unit USD
    Val 6,131,000
  60. Description The cumulative amount of the reporting entity's undistributed earnings or deficit.
    Fact RetainedEarningsAccumulatedDeficit
    Label Retained Earnings (Accumulated Deficit)
    Taxonomy us-gaap
    Unit USD
    Val -281,042,000
  61. Description Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).
    Fact LesseeOperatingLeaseLiabilityPaymentsDueYearFour
    Frame CY2023Q4I
    Label Lessee, Operating Lease, Liability, to be Paid, Year Four
    Taxonomy us-gaap
    Unit USD
    Val 0
  62. Description Weighted-average exercise price, at which grantee can acquire shares reserved for issuance, for fully vested and expected to vest exercisable or convertible options. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.
    Fact ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice
    Frame CY2023Q4I
    Label Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Weighted Average Exercise Price
    Taxonomy us-gaap
    Unit USD/shares
    Val 85.19
  63. Description Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.
    Fact DeferredTaxAssetsValuationAllowance
    Label Deferred Tax Assets, Valuation Allowance
    Taxonomy us-gaap
    Unit USD
    Val 29,042,000
  64. Description Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.
    Fact GainsLossesOnExtinguishmentOfDebt
    Label Gain (Loss) on Extinguishment of Debt
    Start 2023-01-01
    Taxonomy us-gaap
    Unit USD
    Val -313,000
  65. Description Maximum percentage of employee gross pay the employee may contribute to a defined contribution plan.
    Fact DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent
    Frame CY2023
    Label Defined Contribution Plan, Maximum Annual Contributions Per Employee, Percent
    Start 2023-01-01
    Taxonomy us-gaap
    Unit pure
    Val 0.06
  66. Description Sum of the carrying values as of the balance sheet date of obligations incurred through that date and due within one year (or the operating cycle, if longer), including liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received, taxes, interest, rent and utilities, accrued salaries and bonuses, payroll taxes and fringe benefits.
    Fact AccountsPayableAndAccruedLiabilitiesCurrent
    Label Accounts Payable and Accrued Liabilities, Current
    Taxonomy us-gaap
    Unit USD
    Val 10,242,000
  67. Description The aggregate total of expenses of managing and administering the affairs of an entity, including affiliates of the reporting entity, which are not directly or indirectly associated with the manufacture, sale or creation of a product or product line.
    Fact GeneralAndAdministrativeExpense
    Label General and Administrative Expense
    Start 2023-01-01
    Taxonomy us-gaap
    Unit USD
    Val 11,907,000
  68. Description The sum of the amounts of estimated penalties and interest recognized in the period arising from income tax examinations.
    Fact IncomeTaxExaminationPenaltiesAndInterestExpense
    Frame CY2023
    Label Income Tax Examination, Penalties and Interest Expense
    Start 2023-01-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  69. Description Amount of cash inflow (outflow) from investing activities, including discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets.
    Fact NetCashProvidedByUsedInInvestingActivities
    Label Net Cash Provided by (Used in) Investing Activities
    Start 2023-01-01
    Taxonomy us-gaap
    Unit USD
    Val 4,404,000
  70. Description Amount of increase (decrease) in prepaid expenses, and assets classified as other.
    Fact IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets
    Label Increase (Decrease) in Prepaid Expense and Other Assets
    Start 2023-01-01
    Taxonomy us-gaap
    Unit USD
    Val -1,443,000
  71. Description Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues.
    Fact NumberOfOperatingSegments
    Frame CY2023
    Label Number of Operating Segments
    Start 2023-01-01
    Taxonomy us-gaap
    Unit Segment
    Val 1
  72. Description Amount of transfers of financial instrument classified as a liability into (out of) level 3 of the fair value hierarchy.
    Fact FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityTransfersNet
    Label Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Transfers, Net
    Start 2023-01-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  73. Description Amount classified as assets attributable to disposal group held for sale or disposed of.
    Fact AssetsOfDisposalGroupIncludingDiscontinuedOperation
    Label Disposal Group, Including Discontinued Operation, Assets
    Taxonomy us-gaap
    Unit USD
    Val 0
  74. Description Amount of the cost of borrowed funds accounted for as interest expense.
    Fact InterestExpense
    Frame CY2023
    Label Interest Expense
    Start 2023-01-01
    Taxonomy us-gaap
    Unit USD
    Val 13,000
  75. Description Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.
    Fact CashAndCashEquivalentsAtCarryingValue
    Label Cash and Cash Equivalents, at Carrying Value
    Taxonomy us-gaap
    Unit USD
    Val 9,446,000
  76. Description Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, without jurisdictional netting.
    Fact DeferredTaxAssetsLiabilitiesNet
    Label Deferred Tax Assets, Net
    Taxonomy us-gaap
    Unit USD
    Val 0
  77. Description Amount of asset related to consideration paid in advance for other costs that provide economic benefits within a future period of one year or the normal operating cycle, if longer.
    Fact OtherPrepaidExpenseCurrent
    Label Other Prepaid Expense, Current
    Taxonomy us-gaap
    Unit USD
    Val 364,000
  78. Description Amount of lessee's undiscounted obligation for lease payment for operating lease due after fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).
    Fact LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive
    Frame CY2023Q4I
    Label Lessee, Operating Lease, Liability, to be Paid, after Year Five
    Taxonomy us-gaap
    Unit USD
    Val 0
  79. Description Amount of noncash expense for share-based payment arrangement.
    Fact ShareBasedCompensation
    Label Share-based Payment Arrangement, Noncash Expense
    Start 2023-01-01
    Taxonomy us-gaap
    Unit USD
    Val 1,578,000
  80. Description Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as current.
    Fact ContractWithCustomerLiabilityCurrent
    Label Contract with Customer, Liability, Current
    Taxonomy us-gaap
    Unit USD
    Val 17,000
  81. Description Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards.
    Fact DeferredTaxAssetsOperatingLossCarryforwards
    Label Deferred Tax Assets, Operating Loss Carryforwards
    Taxonomy us-gaap
    Unit USD
    Val 23,718,000
  82. Description Amount of investment in equity security without readily determinable fair value.
    Fact EquitySecuritiesWithoutReadilyDeterminableFairValueAmount
    Frame CY2023Q4I
    Label Equity Securities without Readily Determinable Fair Value, Amount
    Taxonomy us-gaap
    Unit USD
    Val 0
  83. Fact EquitySecuritiesFvNiCurrentAndNoncurrent
    Frame CY2023Q4I
    Taxonomy us-gaap
    Unit USD
    Val 0
  84. Description Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.
    Fact DeferredTaxAssetsGross
    Label Deferred Tax Assets, Gross
    Taxonomy us-gaap
    Unit USD
    Val 29,042,000
  85. Description Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to increase (decrease) in the valuation allowance for deferred tax assets.
    Fact IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance
    Label Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount
    Start 2023-01-01
    Taxonomy us-gaap
    Unit USD
    Val 4,592,000
  86. Description Amount before allocation of valuation allowances of deferred tax asset attributable to deductible capital loss carryforwards.
    Fact DeferredTaxAssetsCapitalLossCarryforwards
    Label Deferred Tax Assets, Capital Loss Carryforwards
    Taxonomy us-gaap
    Unit USD
    Val 380,000
  87. Description Generally recurring costs associated with normal operations except for the portion of these expenses which can be clearly related to production and included in cost of sales or services. Includes selling, general and administrative expense.
    Fact OperatingExpenses
    Label Operating Expenses
    Start 2023-01-01
    Taxonomy us-gaap
    Unit USD
    Val 25,502,000
  88. Description Amount of realized gain from sale of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).
    Fact EquitySecuritiesFvNiRealizedGain
    Label Equity Securities, FV-NI, Realized Gain
    Start 2023-01-01
    Taxonomy us-gaap
    Unit USD
    Val 3,061,000
  89. Description Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities, and addition from assumption of issuance of common shares for dilutive potential common shares; of income (loss) available to common shareholders.
    Fact NetIncomeLossAvailableToCommonStockholdersDiluted
    Label Net Income (Loss) Available to Common Stockholders, Diluted
    Start 2023-01-01
    Taxonomy us-gaap
    Unit USD
    Val -20,250,000
  90. Description Amount of increase (decrease) in obligation to transfer good or service to customer for which consideration has been received or is receivable.
    Fact IncreaseDecreaseInContractWithCustomerLiability
    Label Increase (Decrease) in Contract with Customer, Liability
    Start 2023-01-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  91. Description The amount of the unrecognized tax benefit of a position taken for which it is reasonably possible that the total amount thereof will significantly increase or decrease within twelve months of the balance sheet date.
    Fact SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleAmountOfUnrecordedBenefit
    Frame CY2023Q4I
    Label Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Amount of Unrecorded Benefit
    Taxonomy us-gaap
    Unit USD
    Val 0
  92. Description The aggregate costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use.
    Fact ResearchAndDevelopmentExpense
    Label Research and Development Expense
    Start 2023-01-01
    Taxonomy us-gaap
    Unit USD
    Val 13,595,000
  93. Description Sum of the carrying amounts as of the balance sheet date of all liabilities that are recognized. Liabilities are probable future sacrifices of economic benefits arising from present obligations of an entity to transfer assets or provide services to other entities in the future.
    Fact Liabilities
    Label Liabilities
    Taxonomy us-gaap
    Unit USD
    Val 29,567,000
  94. Description Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.
    Fact PropertyPlantAndEquipmentGross
    Label Property, Plant and Equipment, Gross
    Taxonomy us-gaap
    Unit USD
    Val 604,000
  95. Description Amount of tax benefit for recognition of expense of award under share-based payment arrangement.
    Fact EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense
    Label Share-based Payment Arrangement, Expense, Tax Benefit
    Start 2023-01-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  96. Description Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.
    Fact Assets
    Label Assets
    Taxonomy us-gaap
    Unit USD
    Val 11,018,000
  97. Description The net result for the period of deducting operating expenses from operating revenues.
    Fact OperatingIncomeLoss
    Label Operating Income (Loss)
    Start 2023-01-01
    Taxonomy us-gaap
    Unit USD
    Val -25,502,000
  98. Description Amount of lessee's undiscounted obligation for lease payments in excess of discounted obligation for lease payments for operating lease.
    Fact LesseeOperatingLeaseLiabilityUndiscountedExcessAmount
    Frame CY2023Q4I
    Label Lessee, Operating Lease, Liability, Undiscounted Excess Amount
    Taxonomy us-gaap
    Unit USD
    Val 33,000
  99. Description The cash inflow from a borrowing supported by a written promise to pay an obligation.
    Fact ProceedsFromNotesPayable
    Label Proceeds from Notes Payable
    Start 2023-01-01
    Taxonomy us-gaap
    Unit USD
    Val 566,000
  100. Description The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.
    Fact ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod
    Frame CY2023
    Label Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period
    Start 2023-01-01
    Taxonomy us-gaap
    Unit shares
    Val 3,125
  101. Description Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).
    Fact AccountsPayableCurrent
    Label Accounts Payable, Current
    Taxonomy us-gaap
    Unit USD
    Val 4,075,000
  102. Description Number of fully vested and expected to vest exercisable options that may be converted into shares under option plan. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.
    Fact ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber
    Frame CY2023Q4I
    Label Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Number
    Taxonomy us-gaap
    Unit shares
    Val 215,205
  103. Description The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.
    Fact NetIncomeLoss
    Label Net Income (Loss) Attributable to Parent
    Start 2023-01-01
    Taxonomy us-gaap
    Unit USD
    Val -20,250,000
  104. Description Amount of increase (decrease) in operating liabilities classified as other.
    Fact IncreaseDecreaseInOtherOperatingLiabilities
    Label Increase (Decrease) in Other Operating Liabilities
    Start 2023-01-01
    Taxonomy us-gaap
    Unit USD
    Val -154,000
  105. Description Amount before accretion (amortization) of purchase discount (premium) of interest income on nonoperating securities.
    Fact InvestmentIncomeInterest
    Label Investment Income, Interest
    Start 2023-01-01
    Taxonomy us-gaap
    Unit USD
    Val 472,000
  106. Description Weighted average discount rate for operating lease calculated at point in time.
    Fact OperatingLeaseWeightedAverageDiscountRatePercent
    Label Operating Lease, Weighted Average Discount Rate, Percent
    Taxonomy us-gaap
    Unit pure
    Val 0.10
  107. Description Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).
    Fact LesseeOperatingLeaseLiabilityPaymentsDueYearTwo
    Frame CY2023Q4I
    Label Lessee, Operating Lease, Liability, to be Paid, Year Two
    Taxonomy us-gaap
    Unit USD
    Val 177,000
  108. Description Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to tax exempt income, equity in earnings (loss) of an unconsolidated subsidiary, minority noncontrolling interest income (loss), tax holiday, disposition of a business, disposition of an asset, repatriation of foreign earnings, repatriation of foreign earnings jobs creation act of 2004, increase (decrease) in enacted tax rate, prior year income taxes, increase (decrease) in deferred tax asset valuation allowance, and other adjustments.
    Fact IncomeTaxReconciliationOtherReconcilingItems
    Label Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount
    Start 2023-01-01
    Taxonomy us-gaap
    Unit USD
    Val -64,000
  109. Description Amount of operating interest income, including, but not limited to, amortization and accretion of premiums and discounts on securities.
    Fact InterestIncomeOperating
    Label Interest Income, Operating
    Start 2023-01-01
    Taxonomy us-gaap
    Unit USD
    Val 100,000
  110. Description Fair value of options vested. Excludes equity instruments other than options, for example, but not limited to, share units, stock appreciation rights, restricted stock.
    Fact SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1
    Label Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value
    Start 2023-01-01
    Taxonomy us-gaap
    Unit USD
    Val 2,200,000
  111. Description Amount of increase (decrease) in cash, cash equivalents, and cash and cash equivalents restricted to withdrawal or usage; including effect from exchange rate change. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.
    Fact CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
    Label Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect
    Start 2023-01-01
    Taxonomy us-gaap
    Unit USD
    Val -2,680,000
  112. Description Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity.
    Fact StockholdersEquity
    Label Stockholders' Equity Attributable to Parent
    Taxonomy us-gaap
    Unit USD
    Val -24,680,000
  113. Description Number of options outstanding, including both vested and non-vested options.
    Fact ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
    Label Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number
    Taxonomy us-gaap
    Unit shares
    Val 249,247
  114. Description Amount of lessee's right to use underlying asset under operating lease.
    Fact OperatingLeaseRightOfUseAsset
    Label Operating Lease, Right-of-Use Asset
    Taxonomy us-gaap
    Unit USD
    Val 244,000
  115. Description Total obligations incurred as part of normal operations that are expected to be paid during the following twelve months or within one business cycle, if longer.
    Fact LiabilitiesCurrent
    Label Liabilities, Current
    Taxonomy us-gaap
    Unit USD
    Val 10,619,000
  116. Description Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.
    Fact EffectiveIncomeTaxRateContinuingOperations
    Label Effective Income Tax Rate Reconciliation, Percent
    Start 2023-01-01
    Taxonomy us-gaap
    Unit pure
    Val 0
  117. Description Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities.
    Fact NetCashProvidedByUsedInOperatingActivities
    Label Net Cash Provided by (Used in) Operating Activities
    Start 2023-01-01
    Taxonomy us-gaap
    Unit USD
    Val -19,081,000
  118. Description Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to research tax credit.
    Fact IncomeTaxReconciliationTaxCreditsResearch
    Label Effective Income Tax Rate Reconciliation, Tax Credit, Research, Amount
    Start 2023-01-01
    Taxonomy us-gaap
    Unit USD
    Val 273,000
  119. Description Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).
    Fact LesseeOperatingLeaseLiabilityPaymentsDueYearFive
    Frame CY2023Q4I
    Label Lessee, Operating Lease, Liability, to be Paid, Year Five
    Taxonomy us-gaap
    Unit USD
    Val 0
  120. Description Amount of expenses incurred but not yet paid classified as other, due within one year or the normal operating cycle, if longer.
    Fact OtherAccruedLiabilitiesCurrent
    Label Other Accrued Liabilities, Current
    Taxonomy us-gaap
    Unit USD
    Val 300,000
  121. Description Sum of the carrying values as of the balance sheet date of the portions of long-term notes payable due within one year or the operating cycle if longer.
    Fact NotesPayableCurrent
    Label Notes Payable, Current
    Taxonomy us-gaap
    Unit USD
    Val 191,000
  122. Description Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.
    Fact NumberOfReportableSegments
    Frame CY2023
    Label Number of Reportable Segments
    Start 2023-01-01
    Taxonomy us-gaap
    Unit Segment
    Val 1
  123. Description The maximum risk-free interest rate assumption that is used in valuing an option on its own shares.
    Fact ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum
    Label Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Maximum
    Start 2023-01-01
    Taxonomy us-gaap
    Unit pure
    Val 0.05
  124. Description Amount before allocation of valuation allowances of deferred tax asset attributable to deductible charitable contribution carryforwards.
    Fact DeferredTaxAssetsCharitableContributionCarryforwards
    Label Deferred Tax Assets, Charitable Contribution Carryforwards
    Taxonomy us-gaap
    Unit USD
    Val 3,000
  125. Description Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as noncurrent.
    Fact ContractWithCustomerLiabilityNoncurrent
    Label Contract with Customer, Liability, Noncurrent
    Taxonomy us-gaap
    Unit USD
    Val 18,669,000
  126. Description Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.
    Fact ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice
    Frame CY2023
    Label Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price
    Start 2023-01-01
    Taxonomy us-gaap
    Unit USD/shares
    Val 29.21
  127. Description Sum of the carrying amounts as of the balance sheet date of all assets that are expected to be realized in cash, sold, or consumed within one year (or the normal operating cycle, if longer). Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.
    Fact AssetsCurrent
    Label Assets, Current
    Taxonomy us-gaap
    Unit USD
    Val 10,657,000
  128. Description Present value of lessee's discounted obligation for lease payments from operating lease, classified as noncurrent.
    Fact OperatingLeaseLiabilityNoncurrent
    Label Operating Lease, Liability, Noncurrent
    Taxonomy us-gaap
    Unit USD
    Val 169,000
  129. Description The cash outflow for a borrowing supported by a written promise to pay an obligation.
    Fact RepaymentsOfNotesPayable
    Label Repayments of Notes Payable
    Start 2023-01-01
    Taxonomy us-gaap
    Unit USD
    Val 599,000
  130. Description Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).
    Fact LesseeOperatingLeaseLiabilityPaymentsDueYearThree
    Frame CY2023Q4I
    Label Lessee, Operating Lease, Liability, to be Paid, Year Three
    Taxonomy us-gaap
    Unit USD
    Val 0
  131. Description Amount of interest expense classified as other.
    Fact InterestExpenseOther
    Label Interest Expense, Other
    Start 2023-01-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  132. Description Amount of lessee's undiscounted obligation for lease payment for operating lease.
    Fact LesseeOperatingLeaseLiabilityPaymentsDue
    Frame CY2023Q4I
    Label Lessee, Operating Lease, Liability, to be Paid
    Taxonomy us-gaap
    Unit USD
    Val 371,000
  133. Fact ProceedsFromSaleOfEquitySecuritiesFvNi
    Start 2023-01-01
    Taxonomy us-gaap
    Unit USD
    Val 4,404,000
  134. Description Amount of increase (decrease) in operating assets classified as other.
    Fact IncreaseDecreaseInOtherOperatingAssets
    Label Increase (Decrease) in Other Operating Assets
    Start 2023-01-01
    Taxonomy us-gaap
    Unit USD
    Val -105,000
  135. Description Proceeds from issuance of capital stock which provides for a specific dividend that is paid to the shareholders before any dividends to common stockholder, which takes precedence over common stockholders in the event of liquidation and from issuance of rights to purchase common shares at a predetermined price.
    Fact ProceedsFromIssuanceOfPreferredStockPreferenceStockAndWarrants
    Label Proceeds from Issuance of Preferred Stock, Preference Stock, and Warrants
    Start 2023-01-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  136. Description The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.
    Fact ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice
    Frame CY2023Q4I
    Label Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price
    Taxonomy us-gaap
    Unit USD/shares
    Val 112.25
  137. Description Amount of cash inflow from exercise of option under share-based payment arrangement.
    Fact ProceedsFromStockOptionsExercised
    Frame CY2023
    Label Proceeds from Stock Options Exercised
    Start 2023-01-01
    Taxonomy us-gaap
    Unit USD
    Val 0

Facts up to 2023-11-20

  1. Description Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer.
    Fact PreferredStockParOrStatedValuePerShare
    Label Preferred Stock, Par or Stated Value Per Share
    Taxonomy us-gaap
    Unit USD/shares
    Val 0.01
  2. Description Face amount or stated value per share of common stock.
    Fact CommonStockParOrStatedValuePerShare
    Label Common Stock, Par or Stated Value Per Share
    Taxonomy us-gaap
    Unit USD/shares
    Val 0.01
  3. Description The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws.
    Fact PreferredStockSharesAuthorized
    Label Preferred Stock, Shares Authorized
    Taxonomy us-gaap
    Unit shares
    Val 50,000,000
  4. Description Aggregate share number for all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by stockholders. Does not include preferred shares that have been repurchased.
    Fact PreferredStockSharesOutstanding
    Label Preferred Stock, Shares Outstanding
    Taxonomy us-gaap
    Unit shares
    Val 0

Facts up to 2023-06-30

Description The aggregate market value of the voting and non-voting common equity held by non-affiliates computed by reference to the price at which the common equity was last sold, or the average bid and asked price of such common equity, as of the last business day of the registrant's most recently completed second fiscal quarter.
Fact EntityPublicFloat
Frame CY2023Q2I
Label Entity Public Float
Taxonomy dei
Unit USD
Val 22,902,852

Facts up to 2023-02-28

Description The cash inflow associated with principal collections from a borrowing supported by a written promise to pay an obligation.
Fact ProceedsFromCollectionOfNotesReceivable
Label Proceeds from Collection of Notes Receivable
Taxonomy us-gaap
Unit USD
Val 12,000,000

Facts up to 2022-12-31

  1. Description The cash inflow from the additional capital contribution to the entity.
    Fact ProceedsFromIssuanceOfCommonStock
    Label Proceeds from Issuance of Common Stock
    Start 2022-01-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  2. Description Amount of cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage. Excludes amount for disposal group and discontinued operations. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.
    Fact CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
    Label Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents
    Taxonomy us-gaap
    Unit USD
    Val 12,126,000
  3. Description Amount of income (expense) related to nonoperating activities, classified as other.
    Fact OtherNonoperatingIncomeExpense
    Frame CY2022
    Label Other Nonoperating Income (Expense)
    Start 2022-01-01
    Taxonomy us-gaap
    Unit USD
    Val -3,616,000
  4. Description Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.
    Fact IncomeTaxExpenseBenefit
    Label Income Tax Expense (Benefit)
    Start 2022-01-01
    Taxonomy us-gaap
    Unit USD
    Val 200,000
  5. Description Amount of asset related to consideration paid in advance for costs that provide economic benefits in future periods, and amount of other assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer.
    Fact PrepaidExpenseAndOtherAssetsCurrent
    Frame CY2022Q4I
    Label Prepaid Expense and Other Assets, Current
    Taxonomy us-gaap
    Unit USD
    Val 2,537,000
  6. Description The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.
    Fact Depreciation
    Label Depreciation
    Start 2022-01-01
    Taxonomy us-gaap
    Unit USD
    Val 92,000
  7. Description The increase (decrease) during the reporting period in amount due within one year (or one business cycle) from customers for the credit sale of goods and services.
    Fact IncreaseDecreaseInAccountsReceivable
    Label Increase (Decrease) in Accounts Receivable
    Start 2022-01-01
    Taxonomy us-gaap
    Unit USD
    Val 116,000
  8. Description Carrying value as of the balance sheet date of notes payable (with maturities initially due after one year or beyond the operating cycle if longer), excluding current portion.
    Fact LongTermNotesPayable
    Frame CY2022Q4I
    Label Notes Payable, Noncurrent
    Taxonomy us-gaap
    Unit USD
    Val 0
  9. Description Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use.
    Fact OperatingLeasePayments
    Frame CY2022
    Label Operating Lease, Payments
    Start 2022-01-01
    Taxonomy us-gaap
    Unit USD
    Val 300,000
  10. Description Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability.
    Fact OperatingLeaseCost
    Label Operating Lease, Cost
    Start 2022-01-01
    Taxonomy us-gaap
    Unit USD
    Val 200,000
  11. Description The estimated measure of the minimum percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period.
    Fact ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum
    Label Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Minimum
    Start 2022-01-01
    Taxonomy us-gaap
    Unit pure
    Val 1.19
  12. Description Value received from shareholders in common stock-related transactions that are in excess of par value or stated value and amounts received from other stock-related transactions. Includes only common stock transactions (excludes preferred stock transactions). May be called contributed capital, capital in excess of par, capital surplus, or paid-in capital.
    Fact AdditionalPaidInCapitalCommonStock
    Frame CY2022Q4I
    Label Additional Paid in Capital, Common Stock
    Taxonomy us-gaap
    Unit USD
    Val 254,757,000
  13. Description Amount of cash inflow (outflow) from financing activities, including discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit.
    Fact NetCashProvidedByUsedInFinancingActivities
    Label Net Cash Provided by (Used in) Financing Activities
    Start 2022-01-01
    Taxonomy us-gaap
    Unit USD
    Val 14,754,000
  14. Description Amount of Net Income (Loss) attributable to noncontrolling interest.
    Fact NetIncomeLossAttributableToNoncontrollingInterest
    Label Net Income (Loss) Attributable to Noncontrolling Interest
    Start 2022-01-01
    Taxonomy us-gaap
    Unit USD
    Val -5,909,000
  15. Description Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.
    Fact RevenueFromContractWithCustomerExcludingAssessedTax
    Label Revenue from Contract with Customer, Excluding Assessed Tax
    Start 2022-01-01
    Taxonomy us-gaap
    Unit USD
    Val 2,018,000
  16. Description Change in noncontrolling interest during the period as a result of a change in the redemption value of redeemable noncontrolling interest.
    Fact MinorityInterestChangeInRedemptionValue
    Label Noncontrolling Interest, Change in Redemption Value
    Start 2022-01-01
    Taxonomy us-gaap
    Unit USD
    Val -2,474,000
  17. Description Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities; of income (loss) available to common shareholders.
    Fact NetIncomeLossAvailableToCommonStockholdersBasic
    Label Net Income (Loss) Available to Common Stockholders, Basic
    Start 2022-01-01
    Taxonomy us-gaap
    Unit USD
    Val -19,164,000
  18. Description The minimum risk-free interest rate assumption that is used in valuing an option on its own shares.
    Fact ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum
    Label Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Minimum
    Start 2022-01-01
    Taxonomy us-gaap
    Unit pure
    Val 0.02
  19. Description The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.
    Fact PaymentsToAcquirePropertyPlantAndEquipment
    Label Payments to Acquire Property, Plant, and Equipment
    Start 2022-01-01
    Taxonomy us-gaap
    Unit USD
    Val 21,000
  20. Description The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.
    Fact ProfitLoss
    Label Net Income (Loss), Including Portion Attributable to Noncontrolling Interest
    Start 2022-01-01
    Taxonomy us-gaap
    Unit USD
    Val -25,073,000
  21. Description This element represents the total net income attributable to the parent for the period and the effect of net changes during the period impacting the parent's ownership interest in a subsidiary as it relates to the total (consolidated) equity attributable to the parent. The changes to the parent's ownership interest in a subsidiary represented by this element did not result in a deconsolidation of the subsidiary from the consolidated financial statements.
    Fact ConsolidationLessThanWhollyOwnedSubsidiaryParentOwnershipInterestChangeDueToNetIncomeAttributableToParentAndEffectsOfChangesNet
    Label Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Change Due to Net Income Attributable to Parent and Effects of Changes, Net
    Start 2022-01-01
    Taxonomy us-gaap
    Unit USD
    Val -20,225,000
  22. Description Amount of unrealized gain (loss) on investment.
    Fact UnrealizedGainLossOnInvestments
    Label Unrealized Gain (Loss) on Investments
    Start 2022-01-01
    Taxonomy us-gaap
    Unit USD
    Val -3,585,000
  23. Description Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.
    Fact PropertyPlantAndEquipmentNet
    Frame CY2022Q4I
    Label Property, Plant and Equipment, Net
    Taxonomy us-gaap
    Unit USD
    Val 207,000
  24. Description Amount of impairment loss on investment in equity security without readily determinable fair value.
    Fact EquitySecuritiesWithoutReadilyDeterminableFairValueImpairmentLossAnnualAmount
    Label Equity Securities without Readily Determinable Fair Value, Impairment Loss, Annual Amount
    Start 2022-01-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  25. Description The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income, net of any cash received during the current period as refunds for the overpayment of taxes.
    Fact IncomeTaxesPaidNet
    Label Income Taxes Paid, Net
    Start 2022-01-01
    Taxonomy us-gaap
    Unit USD
    Val 200,000
  26. Description The estimated measure of the maximum percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period.
    Fact ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum
    Label Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Maximum
    Start 2022-01-01
    Taxonomy us-gaap
    Unit pure
    Val 1.29
  27. Description Amount of expense (income) related to adjustment to fair value of warrant liability.
    Fact FairValueAdjustmentOfWarrants
    Frame CY2022
    Label Fair Value Adjustment of Warrants
    Start 2022-01-01
    Taxonomy us-gaap
    Unit USD
    Val 900,000
  28. Description Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from investments (excludes investments in subsidiaries and equity method investments).
    Fact DeferredTaxAssetsInvestments
    Frame CY2022Q4I
    Label Deferred Tax Assets, Investments
    Taxonomy us-gaap
    Unit USD
    Val 2,202,000
  29. Description Amount of cash paid for interest, excluding capitalized interest, classified as operating activity. Includes, but is not limited to, payment to settle zero-coupon bond for accreted interest of debt discount and debt instrument with insignificant coupon interest rate in relation to effective interest rate of borrowing attributable to accreted interest of debt discount.
    Fact InterestPaidNet
    Label Interest Paid, Excluding Capitalized Interest, Operating Activities
    Start 2022-01-01
    Taxonomy us-gaap
    Unit USD
    Val 15,000
  30. Description Amount of asset related to consideration paid in advance for insurance that provides economic benefits within a future period of one year or the normal operating cycle, if longer.
    Fact PrepaidInsurance
    Frame CY2022Q4I
    Label Prepaid Insurance
    Taxonomy us-gaap
    Unit USD
    Val 755,000
  31. Description Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.
    Fact AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
    Label Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount
    Start 2022-01-01
    Taxonomy us-gaap
    Unit shares
    Val 866,294
  32. Description Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.
    Fact AssetImpairmentCharges
    Label Asset Impairment Charges
    Start 2022-01-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  33. Description Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.
    Fact IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
    Label Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest
    Start 2022-01-01
    Taxonomy us-gaap
    Unit USD
    Val -24,873,000
  34. Description Carrying value of amounts transferred to third parties for security purposes that are expected to be returned or applied towards payment within one year or during the operating cycle, if shorter.
    Fact DepositsAssetsCurrent
    Frame CY2022Q4I
    Label Deposits Assets, Current
    Taxonomy us-gaap
    Unit USD
    Val 15,000
  35. Description The total amount of investments that are intended to be held for an extended period of time (longer than one operating cycle).
    Fact LongTermInvestments
    Frame CY2022Q4I
    Label Long-term Investments
    Taxonomy us-gaap
    Unit USD
    Val 5,588,000
  36. Description The amount of income tax expense or benefit for the period computed by applying the domestic federal statutory tax rates to pretax income from continuing operations.
    Fact IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate
    Label Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount
    Start 2022-01-01
    Taxonomy us-gaap
    Unit USD
    Val -5,223,000
  37. Description The amount of the tax credit carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.
    Fact TaxCreditCarryforwardAmount
    Frame CY2022Q4I
    Label Tax Credit Carryforward, Amount
    Taxonomy us-gaap
    Unit USD
    Val 1,931,000
  38. Description Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation.
    Fact PaymentsForRestructuring
    Frame CY2022
    Label Payments for Restructuring
    Start 2022-01-01
    Taxonomy us-gaap
    Unit USD
    Val 1,500,000
  39. Description Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.
    Fact AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
    Frame CY2022Q4I
    Label Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment
    Taxonomy us-gaap
    Unit USD
    Val 397,000
  40. Description The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term.
    Fact ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate
    Label Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate
    Start 2022-01-01
    Taxonomy us-gaap
    Unit pure
    Val 0
  41. Description Amount of increase to additional paid-in capital (APIC) for recognition of cost for award under share-based payment arrangement.
    Fact AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
    Label APIC, Share-based Payment Arrangement, Increase for Cost Recognition
    Start 2022-01-01
    Taxonomy us-gaap
    Unit USD
    Val 1,272,000
  42. Description Amount of liabilities and equity items, including the portion of equity attributable to noncontrolling interests, if any.
    Fact LiabilitiesAndStockholdersEquity
    Frame CY2022Q4I
    Label Liabilities and Equity
    Taxonomy us-gaap
    Unit USD
    Val 33,238,000
  43. Description Present value of lessee's discounted obligation for lease payments from operating lease, classified as current.
    Fact OperatingLeaseLiabilityCurrent
    Frame CY2022Q4I
    Label Operating Lease, Liability, Current
    Taxonomy us-gaap
    Unit USD
    Val 154,000
  44. Description Including the current and noncurrent portions, aggregate carrying amount of all types of notes payable, as of the balance sheet date, with initial maturities beyond one year or beyond the normal operating cycle, if longer.
    Fact NotesPayable
    Frame CY2022Q4I
    Label Notes Payable
    Taxonomy us-gaap
    Unit USD
    Val 224,000
  45. Description Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to state and local income tax expense (benefit).
    Fact IncomeTaxReconciliationStateAndLocalIncomeTaxes
    Label Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount
    Start 2022-01-01
    Taxonomy us-gaap
    Unit USD
    Val 28,000
  46. Description The increase (decrease) during the reporting period in the amounts payable to vendors for goods and services received and the amount of obligations and expenses incurred but not paid.
    Fact IncreaseDecreaseInAccountsPayableAndAccruedLiabilities
    Label Increase (Decrease) in Accounts Payable and Accrued Liabilities
    Start 2022-01-01
    Taxonomy us-gaap
    Unit USD
    Val -856,000
  47. Description Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.
    Fact ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
    Frame CY2022Q4I
    Label Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price
    Taxonomy us-gaap
    Unit USD/shares
    Val 87.11
  48. Description Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.
    Fact AccountsReceivableNetCurrent
    Frame CY2022Q4I
    Label Accounts Receivable, after Allowance for Credit Loss, Current
    Taxonomy us-gaap
    Unit USD
    Val 173,000
  49. Description Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.
    Fact AllocatedShareBasedCompensationExpense
    Label Share-based Payment Arrangement, Expense
    Start 2022-01-01
    Taxonomy us-gaap
    Unit USD
    Val 1,272,000
  50. Description As of the reporting date, the aggregate carrying amount of all noncontrolling interests which are redeemable by the (parent) entity (1) at a fixed or determinable price on a fixed or determinable date, (2) at the option of the holder of the noncontrolling interest, or (3) upon occurrence of an event that is not solely within the control of the (parent) entity. This item includes noncontrolling interest holder's ownership (or holders' ownership) regardless of the type of equity interest (common, preferred, other) including all potential organizational (legal) forms of the investee entity.
    Fact RedeemableNoncontrollingInterestEquityCarryingAmount
    Frame CY2022Q4I
    Label Redeemable Noncontrolling Interest, Equity, Carrying Amount
    Taxonomy us-gaap
    Unit USD
    Val 16,579,000
  51. Description The cumulative amount of the reporting entity's undistributed earnings or deficit.
    Fact RetainedEarningsAccumulatedDeficit
    Frame CY2022Q4I
    Label Retained Earnings (Accumulated Deficit)
    Taxonomy us-gaap
    Unit USD
    Val -265,524,000
  52. Description Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.
    Fact DeferredTaxAssetsValuationAllowance
    Frame CY2022Q4I
    Label Deferred Tax Assets, Valuation Allowance
    Taxonomy us-gaap
    Unit USD
    Val 24,450,000
  53. Description Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.
    Fact GainsLossesOnExtinguishmentOfDebt
    Label Gain (Loss) on Extinguishment of Debt
    Start 2022-01-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  54. Description Sum of the carrying values as of the balance sheet date of obligations incurred through that date and due within one year (or the operating cycle, if longer), including liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received, taxes, interest, rent and utilities, accrued salaries and bonuses, payroll taxes and fringe benefits.
    Fact AccountsPayableAndAccruedLiabilitiesCurrent
    Frame CY2022Q4I
    Label Accounts Payable and Accrued Liabilities, Current
    Taxonomy us-gaap
    Unit USD
    Val 7,313,000
  55. Description The aggregate total of expenses of managing and administering the affairs of an entity, including affiliates of the reporting entity, which are not directly or indirectly associated with the manufacture, sale or creation of a product or product line.
    Fact GeneralAndAdministrativeExpense
    Label General and Administrative Expense
    Start 2022-01-01
    Taxonomy us-gaap
    Unit USD
    Val 12,201,000
  56. Description Amount of cash inflow (outflow) from investing activities, including discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets.
    Fact NetCashProvidedByUsedInInvestingActivities
    Label Net Cash Provided by (Used in) Investing Activities
    Start 2022-01-01
    Taxonomy us-gaap
    Unit USD
    Val -21,000
  57. Description Amount of increase (decrease) in prepaid expenses, and assets classified as other.
    Fact IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets
    Label Increase (Decrease) in Prepaid Expense and Other Assets
    Start 2022-01-01
    Taxonomy us-gaap
    Unit USD
    Val 403,000
  58. Description Amount of transfers of financial instrument classified as a liability into (out of) level 3 of the fair value hierarchy.
    Fact FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityTransfersNet
    Label Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Transfers, Net
    Start 2022-01-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  59. Description Amount classified as assets attributable to disposal group held for sale or disposed of.
    Fact AssetsOfDisposalGroupIncludingDiscontinuedOperation
    Frame CY2022Q4I
    Label Disposal Group, Including Discontinued Operation, Assets
    Taxonomy us-gaap
    Unit USD
    Val 0
  60. Description Amount of the cost of borrowed funds accounted for as interest expense.
    Fact InterestExpense
    Frame CY2022
    Label Interest Expense
    Start 2022-01-01
    Taxonomy us-gaap
    Unit USD
    Val 15,000
  61. Description Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.
    Fact CashAndCashEquivalentsAtCarryingValue
    Frame CY2022Q4I
    Label Cash and Cash Equivalents, at Carrying Value
    Taxonomy us-gaap
    Unit USD
    Val 12,126,000
  62. Description Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, without jurisdictional netting.
    Fact DeferredTaxAssetsLiabilitiesNet
    Frame CY2022Q4I
    Label Deferred Tax Assets, Net
    Taxonomy us-gaap
    Unit USD
    Val 0
  63. Description Amount of asset related to consideration paid in advance for other costs that provide economic benefits within a future period of one year or the normal operating cycle, if longer.
    Fact OtherPrepaidExpenseCurrent
    Frame CY2022Q4I
    Label Other Prepaid Expense, Current
    Taxonomy us-gaap
    Unit USD
    Val 1,782,000
  64. Description Amount of noncash expense for share-based payment arrangement.
    Fact ShareBasedCompensation
    Label Share-based Payment Arrangement, Noncash Expense
    Start 2022-01-01
    Taxonomy us-gaap
    Unit USD
    Val 1,272,000
  65. Description Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as current.
    Fact ContractWithCustomerLiabilityCurrent
    Frame CY2022Q4I
    Label Contract with Customer, Liability, Current
    Taxonomy us-gaap
    Unit USD
    Val 17,000
  66. Description Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards.
    Fact DeferredTaxAssetsOperatingLossCarryforwards
    Frame CY2022Q4I
    Label Deferred Tax Assets, Operating Loss Carryforwards
    Taxonomy us-gaap
    Unit USD
    Val 20,314,000
  67. Description Amount of investment in equity security without readily determinable fair value.
    Fact EquitySecuritiesWithoutReadilyDeterminableFairValueAmount
    Frame CY2022Q4I
    Label Equity Securities without Readily Determinable Fair Value, Amount
    Taxonomy us-gaap
    Unit USD
    Val 4,245,000
  68. Fact EquitySecuritiesFvNiCurrentAndNoncurrent
    Frame CY2022Q4I
    Taxonomy us-gaap
    Unit USD
    Val 1,343,000
  69. Description Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.
    Fact DeferredTaxAssetsGross
    Frame CY2022Q4I
    Label Deferred Tax Assets, Gross
    Taxonomy us-gaap
    Unit USD
    Val 24,450,000
  70. Description Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to increase (decrease) in the valuation allowance for deferred tax assets.
    Fact IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance
    Label Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount
    Start 2022-01-01
    Taxonomy us-gaap
    Unit USD
    Val 4,128,000
  71. Description Amount before allocation of valuation allowances of deferred tax asset attributable to deductible capital loss carryforwards.
    Fact DeferredTaxAssetsCapitalLossCarryforwards
    Frame CY2022Q4I
    Label Deferred Tax Assets, Capital Loss Carryforwards
    Taxonomy us-gaap
    Unit USD
    Val 0
  72. Description Generally recurring costs associated with normal operations except for the portion of these expenses which can be clearly related to production and included in cost of sales or services. Includes selling, general and administrative expense.
    Fact OperatingExpenses
    Label Operating Expenses
    Start 2022-01-01
    Taxonomy us-gaap
    Unit USD
    Val 24,558,000
  73. Description Amount of realized gain from sale of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).
    Fact EquitySecuritiesFvNiRealizedGain
    Label Equity Securities, FV-NI, Realized Gain
    Start 2022-01-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  74. Description Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities, and addition from assumption of issuance of common shares for dilutive potential common shares; of income (loss) available to common shareholders.
    Fact NetIncomeLossAvailableToCommonStockholdersDiluted
    Label Net Income (Loss) Available to Common Stockholders, Diluted
    Start 2022-01-01
    Taxonomy us-gaap
    Unit USD
    Val -19,164,000
  75. Description Amount of increase (decrease) in obligation to transfer good or service to customer for which consideration has been received or is receivable.
    Fact IncreaseDecreaseInContractWithCustomerLiability
    Label Increase (Decrease) in Contract with Customer, Liability
    Start 2022-01-01
    Taxonomy us-gaap
    Unit USD
    Val 6,760,000
  76. Description The aggregate costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use.
    Fact ResearchAndDevelopmentExpense
    Label Research and Development Expense
    Start 2022-01-01
    Taxonomy us-gaap
    Unit USD
    Val 12,357,000
  77. Description Sum of the carrying amounts as of the balance sheet date of all liabilities that are recognized. Liabilities are probable future sacrifices of economic benefits arising from present obligations of an entity to transfer assets or provide services to other entities in the future.
    Fact Liabilities
    Frame CY2022Q4I
    Label Liabilities
    Taxonomy us-gaap
    Unit USD
    Val 27,399,000
  78. Description Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.
    Fact PropertyPlantAndEquipmentGross
    Frame CY2022Q4I
    Label Property, Plant and Equipment, Gross
    Taxonomy us-gaap
    Unit USD
    Val 604,000
  79. Description Amount of tax benefit for recognition of expense of award under share-based payment arrangement.
    Fact EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense
    Frame CY2022
    Label Share-based Payment Arrangement, Expense, Tax Benefit
    Start 2022-01-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  80. Description Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.
    Fact Assets
    Frame CY2022Q4I
    Label Assets
    Taxonomy us-gaap
    Unit USD
    Val 33,238,000
  81. Description The net result for the period of deducting operating expenses from operating revenues.
    Fact OperatingIncomeLoss
    Label Operating Income (Loss)
    Start 2022-01-01
    Taxonomy us-gaap
    Unit USD
    Val -22,540,000
  82. Description The cash inflow from a borrowing supported by a written promise to pay an obligation.
    Fact ProceedsFromNotesPayable
    Label Proceeds from Notes Payable
    Start 2022-01-01
    Taxonomy us-gaap
    Unit USD
    Val 776,000
  83. Description Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).
    Fact AccountsPayableCurrent
    Frame CY2022Q4I
    Label Accounts Payable, Current
    Taxonomy us-gaap
    Unit USD
    Val 2,461,000
  84. Description The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.
    Fact NetIncomeLoss
    Label Net Income (Loss) Attributable to Parent
    Start 2022-01-01
    Taxonomy us-gaap
    Unit USD
    Val -19,164,000
  85. Description Amount of increase (decrease) in operating liabilities classified as other.
    Fact IncreaseDecreaseInOtherOperatingLiabilities
    Label Increase (Decrease) in Other Operating Liabilities
    Start 2022-01-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  86. Description Amount before accretion (amortization) of purchase discount (premium) of interest income on nonoperating securities.
    Fact InvestmentIncomeInterest
    Label Investment Income, Interest
    Start 2022-01-01
    Taxonomy us-gaap
    Unit USD
    Val 352,000
  87. Description Weighted average discount rate for operating lease calculated at point in time.
    Fact OperatingLeaseWeightedAverageDiscountRatePercent
    Frame CY2022Q4I
    Label Operating Lease, Weighted Average Discount Rate, Percent
    Taxonomy us-gaap
    Unit pure
    Val 0.10
  88. Description Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to tax exempt income, equity in earnings (loss) of an unconsolidated subsidiary, minority noncontrolling interest income (loss), tax holiday, disposition of a business, disposition of an asset, repatriation of foreign earnings, repatriation of foreign earnings jobs creation act of 2004, increase (decrease) in enacted tax rate, prior year income taxes, increase (decrease) in deferred tax asset valuation allowance, and other adjustments.
    Fact IncomeTaxReconciliationOtherReconcilingItems
    Label Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount
    Start 2022-01-01
    Taxonomy us-gaap
    Unit USD
    Val 40,000
  89. Description Amount of operating interest income, including, but not limited to, amortization and accretion of premiums and discounts on securities.
    Fact InterestIncomeOperating
    Label Interest Income, Operating
    Start 2022-01-01
    Taxonomy us-gaap
    Unit USD
    Val 352,000
  90. Description Fair value of options vested. Excludes equity instruments other than options, for example, but not limited to, share units, stock appreciation rights, restricted stock.
    Fact SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1
    Label Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value
    Start 2022-01-01
    Taxonomy us-gaap
    Unit USD
    Val 1,500,000
  91. Description Amount of increase (decrease) in cash, cash equivalents, and cash and cash equivalents restricted to withdrawal or usage; including effect from exchange rate change. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.
    Fact CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
    Label Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect
    Start 2022-01-01
    Taxonomy us-gaap
    Unit USD
    Val -1,289,000
  92. Description Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity.
    Fact StockholdersEquity
    Frame CY2022Q4I
    Label Stockholders' Equity Attributable to Parent
    Taxonomy us-gaap
    Unit USD
    Val -10,740,000
  93. Description Number of options outstanding, including both vested and non-vested options.
    Fact ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
    Frame CY2022Q4I
    Label Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number
    Taxonomy us-gaap
    Unit shares
    Val 208,586
  94. Description Amount of lessee's right to use underlying asset under operating lease.
    Fact OperatingLeaseRightOfUseAsset
    Frame CY2022Q4I
    Label Operating Lease, Right-of-Use Asset
    Taxonomy us-gaap
    Unit USD
    Val 349,000
  95. Description Total obligations incurred as part of normal operations that are expected to be paid during the following twelve months or within one business cycle, if longer.
    Fact LiabilitiesCurrent
    Frame CY2022Q4I
    Label Liabilities, Current
    Taxonomy us-gaap
    Unit USD
    Val 7,708,000
  96. Description Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.
    Fact EffectiveIncomeTaxRateContinuingOperations
    Label Effective Income Tax Rate Reconciliation, Percent
    Start 2022-01-01
    Taxonomy us-gaap
    Unit pure
    Val -0.01
  97. Description Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities.
    Fact NetCashProvidedByUsedInOperatingActivities
    Label Net Cash Provided by (Used in) Operating Activities
    Start 2022-01-01
    Taxonomy us-gaap
    Unit USD
    Val -16,022,000
  98. Description Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to research tax credit.
    Fact IncomeTaxReconciliationTaxCreditsResearch
    Label Effective Income Tax Rate Reconciliation, Tax Credit, Research, Amount
    Start 2022-01-01
    Taxonomy us-gaap
    Unit USD
    Val 172,000
  99. Description Amount of expenses incurred but not yet paid classified as other, due within one year or the normal operating cycle, if longer.
    Fact OtherAccruedLiabilitiesCurrent
    Frame CY2022Q4I
    Label Other Accrued Liabilities, Current
    Taxonomy us-gaap
    Unit USD
    Val 492,000
  100. Description Sum of the carrying values as of the balance sheet date of the portions of long-term notes payable due within one year or the operating cycle if longer.
    Fact NotesPayableCurrent
    Frame CY2022Q4I
    Label Notes Payable, Current
    Taxonomy us-gaap
    Unit USD
    Val 224,000
  101. Description The maximum risk-free interest rate assumption that is used in valuing an option on its own shares.
    Fact ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum
    Label Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Maximum
    Start 2022-01-01
    Taxonomy us-gaap
    Unit pure
    Val 0.04
  102. Description Amount before allocation of valuation allowances of deferred tax asset attributable to deductible charitable contribution carryforwards.
    Fact DeferredTaxAssetsCharitableContributionCarryforwards
    Frame CY2022Q4I
    Label Deferred Tax Assets, Charitable Contribution Carryforwards
    Taxonomy us-gaap
    Unit USD
    Val 3,000
  103. Description Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as noncurrent.
    Fact ContractWithCustomerLiabilityNoncurrent
    Frame CY2022Q4I
    Label Contract with Customer, Liability, Noncurrent
    Taxonomy us-gaap
    Unit USD
    Val 18,669,000
  104. Description Sum of the carrying amounts as of the balance sheet date of all assets that are expected to be realized in cash, sold, or consumed within one year (or the normal operating cycle, if longer). Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.
    Fact AssetsCurrent
    Frame CY2022Q4I
    Label Assets, Current
    Taxonomy us-gaap
    Unit USD
    Val 27,094,000
  105. Description Present value of lessee's discounted obligation for lease payments from operating lease, classified as noncurrent.
    Fact OperatingLeaseLiabilityNoncurrent
    Frame CY2022Q4I
    Label Operating Lease, Liability, Noncurrent
    Taxonomy us-gaap
    Unit USD
    Val 338,000
  106. Description The cash outflow for a borrowing supported by a written promise to pay an obligation.
    Fact RepaymentsOfNotesPayable
    Label Repayments of Notes Payable
    Start 2022-01-01
    Taxonomy us-gaap
    Unit USD
    Val 808,000
  107. Description Amount of interest expense classified as other.
    Fact InterestExpenseOther
    Label Interest Expense, Other
    Start 2022-01-01
    Taxonomy us-gaap
    Unit USD
    Val 15,000
  108. Fact ProceedsFromSaleOfEquitySecuritiesFvNi
    Start 2022-01-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  109. Description Amount of increase (decrease) in operating assets classified as other.
    Fact IncreaseDecreaseInOtherOperatingAssets
    Label Increase (Decrease) in Other Operating Assets
    Start 2022-01-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  110. Description Proceeds from issuance of capital stock which provides for a specific dividend that is paid to the shareholders before any dividends to common stockholder, which takes precedence over common stockholders in the event of liquidation and from issuance of rights to purchase common shares at a predetermined price.
    Fact ProceedsFromIssuanceOfPreferredStockPreferenceStockAndWarrants
    Label Proceeds from Issuance of Preferred Stock, Preference Stock, and Warrants
    Start 2022-01-01
    Taxonomy us-gaap
    Unit USD
    Val 9,746,000
  111. Description Amount of cash inflow from exercise of option under share-based payment arrangement.
    Fact ProceedsFromStockOptionsExercised
    Frame CY2022
    Label Proceeds from Stock Options Exercised
    Start 2022-01-01
    Taxonomy us-gaap
    Unit USD
    Val 0

Facts up to 2022-11-30

  1. Description Present value of lessee's discounted obligation for lease payments from operating lease.
    Fact OperatingLeaseLiability
    Label Operating Lease, Liability
    Taxonomy us-gaap
    Unit USD
    Val 100,000
  2. Description Amount of lessee's right to use underlying asset under operating lease.
    Fact OperatingLeaseRightOfUseAsset
    Label Operating Lease, Right-of-Use Asset
    Taxonomy us-gaap
    Unit USD
    Val 100,000

Facts up to 2021-12-31

  1. Description The cash inflow from the additional capital contribution to the entity.
    Fact ProceedsFromIssuanceOfCommonStock
    Frame CY2021
    Label Proceeds from Issuance of Common Stock
    Start 2021-01-01
    Taxonomy us-gaap
    Unit USD
    Val 26,757,000
  2. Description Amount of cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage. Excludes amount for disposal group and discontinued operations. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.
    Fact CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
    Label Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents
    Taxonomy us-gaap
    Unit USD
    Val 13,415,000
  3. Description Amount of discretionary contributions made by an employer to a defined contribution plan.
    Fact DefinedContributionPlanEmployerDiscretionaryContributionAmount
    Frame CY2021
    Label Defined Contribution Plan, Employer Discretionary Contribution Amount
    Start 2021-01-01
    Taxonomy us-gaap
    Unit USD
    Val 100,000
  4. Description Amount of income (expense) related to nonoperating activities, classified as other.
    Fact OtherNonoperatingIncomeExpense
    Frame CY2021
    Label Other Nonoperating Income (Expense)
    Start 2021-01-01
    Taxonomy us-gaap
    Unit USD
    Val 2,448,000
  5. Description Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.
    Fact IncomeTaxExpenseBenefit
    Frame CY2021
    Label Income Tax Expense (Benefit)
    Start 2021-01-01
    Taxonomy us-gaap
    Unit USD
    Val 115,000
  6. Description The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.
    Fact Depreciation
    Frame CY2021
    Label Depreciation
    Start 2021-01-01
    Taxonomy us-gaap
    Unit USD
    Val 89,000
  7. Description The increase (decrease) during the reporting period in amount due within one year (or one business cycle) from customers for the credit sale of goods and services.
    Fact IncreaseDecreaseInAccountsReceivable
    Frame CY2021
    Label Increase (Decrease) in Accounts Receivable
    Start 2021-01-01
    Taxonomy us-gaap
    Unit USD
    Val -101,000
  8. Description Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability.
    Fact OperatingLeaseCost
    Frame CY2021
    Label Operating Lease, Cost
    Start 2021-01-01
    Taxonomy us-gaap
    Unit USD
    Val 200,000
  9. Description The estimated measure of the minimum percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period.
    Fact ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum
    Frame CY2021
    Label Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Minimum
    Start 2021-01-01
    Taxonomy us-gaap
    Unit pure
    Val 1.19
  10. Description Amount of cash inflow (outflow) from financing activities, including discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit.
    Fact NetCashProvidedByUsedInFinancingActivities
    Frame CY2021
    Label Net Cash Provided by (Used in) Financing Activities
    Start 2021-01-01
    Taxonomy us-gaap
    Unit USD
    Val 26,976,000
  11. Description Amount of Net Income (Loss) attributable to noncontrolling interest.
    Fact NetIncomeLossAttributableToNoncontrollingInterest
    Frame CY2021
    Label Net Income (Loss) Attributable to Noncontrolling Interest
    Start 2021-01-01
    Taxonomy us-gaap
    Unit USD
    Val -4,744,000
  12. Description Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.
    Fact RevenueFromContractWithCustomerExcludingAssessedTax
    Frame CY2021
    Label Revenue from Contract with Customer, Excluding Assessed Tax
    Start 2021-01-01
    Taxonomy us-gaap
    Unit USD
    Val 4,005,000
  13. Description Change in noncontrolling interest during the period as a result of a change in the redemption value of redeemable noncontrolling interest.
    Fact MinorityInterestChangeInRedemptionValue
    Frame CY2021
    Label Noncontrolling Interest, Change in Redemption Value
    Start 2021-01-01
    Taxonomy us-gaap
    Unit USD
    Val -54,189,000
  14. Description Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities; of income (loss) available to common shareholders.
    Fact NetIncomeLossAvailableToCommonStockholdersBasic
    Frame CY2021
    Label Net Income (Loss) Available to Common Stockholders, Basic
    Start 2021-01-01
    Taxonomy us-gaap
    Unit USD
    Val -12,987,000
  15. Description The minimum risk-free interest rate assumption that is used in valuing an option on its own shares.
    Fact ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum
    Frame CY2021
    Label Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Minimum
    Start 2021-01-01
    Taxonomy us-gaap
    Unit pure
    Val 0.01
  16. Description The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.
    Fact PaymentsToAcquirePropertyPlantAndEquipment
    Frame CY2021
    Label Payments to Acquire Property, Plant, and Equipment
    Start 2021-01-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  17. Description The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.
    Fact ProfitLoss
    Frame CY2021
    Label Net Income (Loss), Including Portion Attributable to Noncontrolling Interest
    Start 2021-01-01
    Taxonomy us-gaap
    Unit USD
    Val -17,731,000
  18. Description This element represents the total net income attributable to the parent for the period and the effect of net changes during the period impacting the parent's ownership interest in a subsidiary as it relates to the total (consolidated) equity attributable to the parent. The changes to the parent's ownership interest in a subsidiary represented by this element did not result in a deconsolidation of the subsidiary from the consolidated financial statements.
    Fact ConsolidationLessThanWhollyOwnedSubsidiaryParentOwnershipInterestChangeDueToNetIncomeAttributableToParentAndEffectsOfChangesNet
    Frame CY2021
    Label Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Change Due to Net Income Attributable to Parent and Effects of Changes, Net
    Start 2021-01-01
    Taxonomy us-gaap
    Unit USD
    Val -18,071,000
  19. Description Amount of unrealized gain (loss) on investment.
    Fact UnrealizedGainLossOnInvestments
    Frame CY2021
    Label Unrealized Gain (Loss) on Investments
    Start 2021-01-01
    Taxonomy us-gaap
    Unit USD
    Val 2,448,000
  20. Description Amount of impairment loss on investment in equity security without readily determinable fair value.
    Fact EquitySecuritiesWithoutReadilyDeterminableFairValueImpairmentLossAnnualAmount
    Frame CY2021
    Label Equity Securities without Readily Determinable Fair Value, Impairment Loss, Annual Amount
    Start 2021-01-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  21. Description The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income, net of any cash received during the current period as refunds for the overpayment of taxes.
    Fact IncomeTaxesPaidNet
    Frame CY2021
    Label Income Taxes Paid, Net
    Start 2021-01-01
    Taxonomy us-gaap
    Unit USD
    Val 115,000
  22. Description The estimated measure of the maximum percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period.
    Fact ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum
    Frame CY2021
    Label Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Maximum
    Start 2021-01-01
    Taxonomy us-gaap
    Unit pure
    Val 1.22
  23. Description Amount of expense (income) related to adjustment to fair value of warrant liability.
    Fact FairValueAdjustmentOfWarrants
    Frame CY2021
    Label Fair Value Adjustment of Warrants
    Start 2021-01-01
    Taxonomy us-gaap
    Unit USD
    Val 1,600,000
  24. Description Amount of cash paid for interest, excluding capitalized interest, classified as operating activity. Includes, but is not limited to, payment to settle zero-coupon bond for accreted interest of debt discount and debt instrument with insignificant coupon interest rate in relation to effective interest rate of borrowing attributable to accreted interest of debt discount.
    Fact InterestPaidNet
    Frame CY2021
    Label Interest Paid, Excluding Capitalized Interest, Operating Activities
    Start 2021-01-01
    Taxonomy us-gaap
    Unit USD
    Val 11,000
  25. Description Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.
    Fact AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
    Frame CY2021
    Label Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount
    Start 2021-01-01
    Taxonomy us-gaap
    Unit shares
    Val 804,083
  26. Description Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.
    Fact AssetImpairmentCharges
    Frame CY2021
    Label Asset Impairment Charges
    Start 2021-01-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  27. Description Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.
    Fact IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
    Frame CY2021
    Label Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest
    Start 2021-01-01
    Taxonomy us-gaap
    Unit USD
    Val -17,616,000
  28. Description The amount of income tax expense or benefit for the period computed by applying the domestic federal statutory tax rates to pretax income from continuing operations.
    Fact IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate
    Frame CY2021
    Label Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount
    Start 2021-01-01
    Taxonomy us-gaap
    Unit USD
    Val -3,699,000
  29. Description Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation.
    Fact PaymentsForRestructuring
    Frame CY2021
    Label Payments for Restructuring
    Start 2021-01-01
    Taxonomy us-gaap
    Unit USD
    Val 100,000
  30. Description The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term.
    Fact ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate
    Frame CY2021
    Label Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate
    Start 2021-01-01
    Taxonomy us-gaap
    Unit pure
    Val 0
  31. Description Amount of increase to additional paid-in capital (APIC) for recognition of cost for award under share-based payment arrangement.
    Fact AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
    Frame CY2021
    Label APIC, Share-based Payment Arrangement, Increase for Cost Recognition
    Start 2021-01-01
    Taxonomy us-gaap
    Unit USD
    Val 2,356,000
  32. Description Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to state and local income tax expense (benefit).
    Fact IncomeTaxReconciliationStateAndLocalIncomeTaxes
    Frame CY2021
    Label Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount
    Start 2021-01-01
    Taxonomy us-gaap
    Unit USD
    Val -14,000
  33. Description The increase (decrease) during the reporting period in the amounts payable to vendors for goods and services received and the amount of obligations and expenses incurred but not paid.
    Fact IncreaseDecreaseInAccountsPayableAndAccruedLiabilities
    Frame CY2021
    Label Increase (Decrease) in Accounts Payable and Accrued Liabilities
    Start 2021-01-01
    Taxonomy us-gaap
    Unit USD
    Val 1,828,000
  34. Description Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.
    Fact AllocatedShareBasedCompensationExpense
    Frame CY2021
    Label Share-based Payment Arrangement, Expense
    Start 2021-01-01
    Taxonomy us-gaap
    Unit USD
    Val 2,356,000
  35. Description Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.
    Fact GainsLossesOnExtinguishmentOfDebt
    Frame CY2021
    Label Gain (Loss) on Extinguishment of Debt
    Start 2021-01-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  36. Description The aggregate total of expenses of managing and administering the affairs of an entity, including affiliates of the reporting entity, which are not directly or indirectly associated with the manufacture, sale or creation of a product or product line.
    Fact GeneralAndAdministrativeExpense
    Frame CY2021
    Label General and Administrative Expense
    Start 2021-01-01
    Taxonomy us-gaap
    Unit USD
    Val 12,343,000
  37. Description Amount of cash inflow (outflow) from investing activities, including discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets.
    Fact NetCashProvidedByUsedInInvestingActivities
    Frame CY2021
    Label Net Cash Provided by (Used in) Investing Activities
    Start 2021-01-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  38. Description Amount of increase (decrease) in prepaid expenses, and assets classified as other.
    Fact IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets
    Frame CY2021
    Label Increase (Decrease) in Prepaid Expense and Other Assets
    Start 2021-01-01
    Taxonomy us-gaap
    Unit USD
    Val 839,000
  39. Description Value of stock issued as a result of the exercise of stock options.
    Fact StockIssuedDuringPeriodValueStockOptionsExercised
    Frame CY2021
    Label Stock Issued During Period, Value, Stock Options Exercised
    Start 2021-01-01
    Taxonomy us-gaap
    Unit USD
    Val 47,000
  40. Description Amount of transfers of financial instrument classified as a liability into (out of) level 3 of the fair value hierarchy.
    Fact FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityTransfersNet
    Frame CY2021
    Label Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Transfers, Net
    Start 2021-01-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  41. Description Amount, after cash payment, of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.
    Fact RestructuringCosts
    Frame CY2021
    Label Restructuring Costs
    Start 2021-01-01
    Taxonomy us-gaap
    Unit USD
    Val 1,600,000
  42. Description Amount of the cost of borrowed funds accounted for as interest expense.
    Fact InterestExpense
    Frame CY2021
    Label Interest Expense
    Start 2021-01-01
    Taxonomy us-gaap
    Unit USD
    Val 12,000
  43. Description Amount of noncash expense for share-based payment arrangement.
    Fact ShareBasedCompensation
    Frame CY2021
    Label Share-based Payment Arrangement, Noncash Expense
    Start 2021-01-01
    Taxonomy us-gaap
    Unit USD
    Val 2,356,000
  44. Description Percentage of the total number of positions eliminated as of the balance sheet date since inception of the restructuring plan(s).
    Fact RestructuringAndRelatedCostNumberOfPositionsEliminatedInceptionToDatePercent
    Frame CY2021Q4I
    Label Restructuring and Related Cost, Number of Positions Eliminated, Inception to Date Percent
    Taxonomy us-gaap
    Unit pure
    Val 0.65
  45. Description Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to increase (decrease) in the valuation allowance for deferred tax assets.
    Fact IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance
    Frame CY2021
    Label Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount
    Start 2021-01-01
    Taxonomy us-gaap
    Unit USD
    Val 2,904,000
  46. Description Generally recurring costs associated with normal operations except for the portion of these expenses which can be clearly related to production and included in cost of sales or services. Includes selling, general and administrative expense.
    Fact OperatingExpenses
    Frame CY2021
    Label Operating Expenses
    Start 2021-01-01
    Taxonomy us-gaap
    Unit USD
    Val 25,667,000
  47. Description Amount of realized gain from sale of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).
    Fact EquitySecuritiesFvNiRealizedGain
    Frame CY2021
    Label Equity Securities, FV-NI, Realized Gain
    Start 2021-01-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  48. Description Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities, and addition from assumption of issuance of common shares for dilutive potential common shares; of income (loss) available to common shareholders.
    Fact NetIncomeLossAvailableToCommonStockholdersDiluted
    Frame CY2021
    Label Net Income (Loss) Available to Common Stockholders, Diluted
    Start 2021-01-01
    Taxonomy us-gaap
    Unit USD
    Val -12,987,000
  49. Description Amount of increase (decrease) in obligation to transfer good or service to customer for which consideration has been received or is receivable.
    Fact IncreaseDecreaseInContractWithCustomerLiability
    Frame CY2021
    Label Increase (Decrease) in Contract with Customer, Liability
    Start 2021-01-01
    Taxonomy us-gaap
    Unit USD
    Val -1,005,000
  50. Description The aggregate costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use.
    Fact ResearchAndDevelopmentExpense
    Frame CY2021
    Label Research and Development Expense
    Start 2021-01-01
    Taxonomy us-gaap
    Unit USD
    Val 13,324,000
  51. Description The net result for the period of deducting operating expenses from operating revenues.
    Fact OperatingIncomeLoss
    Frame CY2021
    Label Operating Income (Loss)
    Start 2021-01-01
    Taxonomy us-gaap
    Unit USD
    Val -21,662,000
  52. Description The cash inflow from a borrowing supported by a written promise to pay an obligation.
    Fact ProceedsFromNotesPayable
    Frame CY2021
    Label Proceeds from Notes Payable
    Start 2021-01-01
    Taxonomy us-gaap
    Unit USD
    Val 887,000
  53. Description The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.
    Fact NetIncomeLoss
    Frame CY2021
    Label Net Income (Loss) Attributable to Parent
    Start 2021-01-01
    Taxonomy us-gaap
    Unit USD
    Val -12,987,000
  54. Description Amount of increase (decrease) in operating liabilities classified as other.
    Fact IncreaseDecreaseInOtherOperatingLiabilities
    Frame CY2021
    Label Increase (Decrease) in Other Operating Liabilities
    Start 2021-01-01
    Taxonomy us-gaap
    Unit USD
    Val -50,000
  55. Description Amount before accretion (amortization) of purchase discount (premium) of interest income on nonoperating securities.
    Fact InvestmentIncomeInterest
    Frame CY2021
    Label Investment Income, Interest
    Start 2021-01-01
    Taxonomy us-gaap
    Unit USD
    Val 1,000
  56. Description Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to tax exempt income, equity in earnings (loss) of an unconsolidated subsidiary, minority noncontrolling interest income (loss), tax holiday, disposition of a business, disposition of an asset, repatriation of foreign earnings, repatriation of foreign earnings jobs creation act of 2004, increase (decrease) in enacted tax rate, prior year income taxes, increase (decrease) in deferred tax asset valuation allowance, and other adjustments.
    Fact IncomeTaxReconciliationOtherReconcilingItems
    Frame CY2021
    Label Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount
    Start 2021-01-01
    Taxonomy us-gaap
    Unit USD
    Val 10,000
  57. Description Amount of operating interest income, including, but not limited to, amortization and accretion of premiums and discounts on securities.
    Fact InterestIncomeOperating
    Frame CY2021
    Label Interest Income, Operating
    Start 2021-01-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  58. Description Fair value of options vested. Excludes equity instruments other than options, for example, but not limited to, share units, stock appreciation rights, restricted stock.
    Fact SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1
    Frame CY2021
    Label Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value
    Start 2021-01-01
    Taxonomy us-gaap
    Unit USD
    Val 2,100,000
  59. Description Amount of increase (decrease) in cash, cash equivalents, and cash and cash equivalents restricted to withdrawal or usage; including effect from exchange rate change. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.
    Fact CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
    Frame CY2021
    Label Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect
    Start 2021-01-01
    Taxonomy us-gaap
    Unit USD
    Val 7,668,000
  60. Description Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity.
    Fact StockholdersEquity
    Frame CY2021Q4I
    Label Stockholders' Equity Attributable to Parent
    Taxonomy us-gaap
    Unit USD
    Val -9,740,000
  61. Description Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.
    Fact EffectiveIncomeTaxRateContinuingOperations
    Frame CY2021
    Label Effective Income Tax Rate Reconciliation, Percent
    Start 2021-01-01
    Taxonomy us-gaap
    Unit pure
    Val -0.01
  62. Description Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities.
    Fact NetCashProvidedByUsedInOperatingActivities
    Frame CY2021
    Label Net Cash Provided by (Used in) Operating Activities
    Start 2021-01-01
    Taxonomy us-gaap
    Unit USD
    Val -19,308,000
  63. Description Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to research tax credit.
    Fact IncomeTaxReconciliationTaxCreditsResearch
    Frame CY2021
    Label Effective Income Tax Rate Reconciliation, Tax Credit, Research, Amount
    Start 2021-01-01
    Taxonomy us-gaap
    Unit USD
    Val 173,000
  64. Description The maximum risk-free interest rate assumption that is used in valuing an option on its own shares.
    Fact ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum
    Frame CY2021
    Label Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Maximum
    Start 2021-01-01
    Taxonomy us-gaap
    Unit pure
    Val 0.01
  65. Description The cash outflow for a borrowing supported by a written promise to pay an obligation.
    Fact RepaymentsOfNotesPayable
    Frame CY2021
    Label Repayments of Notes Payable
    Start 2021-01-01
    Taxonomy us-gaap
    Unit USD
    Val 715,000
  66. Description Amount of interest expense classified as other.
    Fact InterestExpenseOther
    Frame CY2021
    Label Interest Expense, Other
    Start 2021-01-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  67. Fact ProceedsFromSaleOfEquitySecuritiesFvNi
    Frame CY2021
    Start 2021-01-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  68. Description Amount of increase (decrease) in operating assets classified as other.
    Fact IncreaseDecreaseInOtherOperatingAssets
    Frame CY2021
    Label Increase (Decrease) in Other Operating Assets
    Start 2021-01-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  69. Description Proceeds from issuance of capital stock which provides for a specific dividend that is paid to the shareholders before any dividends to common stockholder, which takes precedence over common stockholders in the event of liquidation and from issuance of rights to purchase common shares at a predetermined price.
    Fact ProceedsFromIssuanceOfPreferredStockPreferenceStockAndWarrants
    Frame CY2021
    Label Proceeds from Issuance of Preferred Stock, Preference Stock, and Warrants
    Start 2021-01-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  70. Description Amount of cash inflow from exercise of option under share-based payment arrangement.
    Fact ProceedsFromStockOptionsExercised
    Frame CY2021
    Label Proceeds from Stock Options Exercised
    Start 2021-01-01
    Taxonomy us-gaap
    Unit USD
    Val 47,000

Facts up to 2020-12-31

  1. Description Amount of cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage. Excludes amount for disposal group and discontinued operations. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.
    Fact CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
    Frame CY2020Q4I
    Label Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents
    Taxonomy us-gaap
    Unit USD
    Val 5,747,000
  2. Description Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity.
    Fact StockholdersEquity
    Frame CY2020Q4I
    Label Stockholders' Equity Attributable to Parent
    Taxonomy us-gaap
    Unit USD
    Val -80,102,000

Facts up to 2015-07-29

  1. Description Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer.
    Fact PreferredStockParOrStatedValuePerShare
    Label Preferred Stock, Par or Stated Value Per Share
    Taxonomy us-gaap
    Unit USD/shares
    Val 0.01
  2. Description The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws.
    Fact PreferredStockSharesAuthorized
    Label Preferred Stock, Shares Authorized
    Taxonomy us-gaap
    Unit shares
    Val 50,000,000

The filing refers to a past date, and does not necessarily reflect the current state. The current state is available on the following page: vTv Therapeutics Inc., High Point, United States.

Creative Commons License The visualizations for "vTv Therapeutics Inc. - U.S. Securities and Exchange Commission's Electronic Data Gathering, Analysis, and Retrieval system" are provided by North Data and may be reused under the terms of the Creative Commons CC-BY license.