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U.S. Securities and Exchange Commission's Electronic Data Gathering, Analysis, and Retrieval system Sec22 Mar 2022 U.S. Securities and Exchange Commission's Electronic Data Gathering, Analysis, and Retrieval system, United States

Text

Entity

entityName LISATA THERAPEUTICS, INC.
Cik 320017
Form 10-K
Filed 2022-03-22
Fp FY
Fy 2021
Accn 0000320017-22-000016

Facts up to 2022-03-22

Description Indicate number of shares or other units outstanding of each of registrant's classes of capital or common stock or other ownership interests, if and as stated on cover of related periodic report. Where multiple classes or units exist define each class/interest by adding class of stock items such as Common Class A [Member], Common Class B [Member] or Partnership Interest [Member] onto the Instrument [Domain] of the Entity Listings, Instrument.
Fact EntityCommonStockSharesOutstanding
Frame CY2022Q1I
Label Entity Common Stock, Shares Outstanding
Taxonomy dei
Unit shares
Val 60,533,064

Facts up to 2021-12-31

  1. Description The cash inflow from the additional capital contribution to the entity.
    Fact ProceedsFromIssuanceOfCommonStock
    Label Proceeds from Issuance of Common Stock
    Start 2021-01-01
    Taxonomy us-gaap
    Unit USD
    Val 85,500,000
  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 24,647,000
  3. Description The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.
    Fact EarningsPerShareDiluted
    Label Earnings Per Share, Diluted
    Start 2021-01-01
    Taxonomy us-gaap
    Unit USD/shares
    Val -0.5
  4. Description Amount of income (expense) related to nonoperating activities, classified as other.
    Fact OtherNonoperatingIncomeExpense
    Label Other Nonoperating Income (Expense)
    Start 2021-01-01
    Taxonomy us-gaap
    Unit USD
    Val -75,000
  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 2021-01-01
    Taxonomy us-gaap
    Unit USD
    Val -1,508,000
  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 1,212,000
  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 2021-01-01
    Taxonomy us-gaap
    Unit USD
    Val 100,000
  8. Description Aggregate par or stated value of issued nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable preferred shares, par value and other disclosure concepts are in another section within stockholders' equity.
    Fact PreferredStockValue
    Label Preferred Stock, Value, Issued
    Taxonomy us-gaap
    Unit USD
    Val 0
  9. Description Amount of investment in marketable security.
    Fact MarketableSecurities
    Label Marketable Securities
    Taxonomy us-gaap
    Unit USD
    Val 70,323,000
  10. Description Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated.
    Fact ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice
    Frame CY2021
    Label Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price
    Start 2021-01-01
    Taxonomy us-gaap
    Unit USD/shares
    Val 2.18
  11. 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 714,000
  12. Description Amount after tax and reclassification adjustments of other comprehensive income (loss).
    Fact OtherComprehensiveIncomeLossNetOfTax
    Label Other Comprehensive Income (Loss), Net of Tax
    Start 2021-01-01
    Taxonomy us-gaap
    Unit USD
    Val -57,000
  13. Description Amount after tax of income (loss) from continuing operations attributable to the noncontrolling interest.
    Fact IncomeLossFromContinuingOperationsAttributableToNoncontrollingEntity
    Label Income (Loss) from Continuing Operations, Net of Tax, Attributable to Noncontrolling Interest
    Start 2021-01-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  14. 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 2021-01-01
    Taxonomy us-gaap
    Unit USD
    Val 85,276,000
  15. Description Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations.
    Fact DeferredIncomeTaxExpenseBenefit
    Label Deferred Income Tax Expense (Benefit)
    Start 2021-01-01
    Taxonomy us-gaap
    Unit USD
    Val -1,508,000
  16. Description Amount, before tax, of unrealized loss in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).
    Fact AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
    Label Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax
    Taxonomy us-gaap
    Unit USD
    Val 70,000
  17. Description Amount, after tax and adjustment, of unrealized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale) and unrealized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity) from transfer to available-for-sale.
    Fact OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax
    Label OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment and Tax
    Start 2021-01-01
    Taxonomy us-gaap
    Unit USD
    Val -57,000
  18. Description Number of common and preferred shares that were previously issued and that were repurchased by the issuing entity and held in treasury on the financial statement date. This stock has no voting rights and receives no dividends.
    Fact TreasuryStockShares
    Label Treasury Stock, Shares
    Taxonomy us-gaap
    Unit shares
    Val 11,080
  19. Description Fair value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in second through 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 AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue
    Label Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year One Through Five
    Taxonomy us-gaap
    Unit USD
    Val 0
  20. Description The portion of earnings or loss from continuing operations before income taxes that is attributable to domestic operations.
    Fact IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic
    Label Income (Loss) from Continuing Operations before Income Taxes, Domestic
    Start 2021-01-01
    Taxonomy us-gaap
    Unit USD
    Val -28,974,000
  21. Description Weighted average price at which option holders acquired shares when converting their stock options into shares.
    Fact ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice
    Frame CY2021
    Label Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price
    Start 2021-01-01
    Taxonomy us-gaap
    Unit USD/shares
    Val 3.28
  22. 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 2021-01-01
    Taxonomy us-gaap
    Unit USD
    Val 60,000
  23. 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 2021-01-01
    Taxonomy us-gaap
    Unit USD
    Val -27,466,000
  24. Description Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.
    Fact ComprehensiveIncomeNetOfTax
    Label Comprehensive Income (Loss), Net of Tax, Attributable to Parent
    Start 2021-01-01
    Taxonomy us-gaap
    Unit USD
    Val -27,523,000
  25. Description Gross number of share options (or share units) granted during the period.
    Fact ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
    Frame CY2021
    Label Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross
    Start 2021-01-01
    Taxonomy us-gaap
    Unit shares
    Val 1,314,790
  26. Description Amount of stockholders' equity (deficit), net of receivables from officers, directors, owners, and affiliates of the entity, attributable to both the parent and noncontrolling interests. Amount excludes temporary equity. Alternate caption for the concept is permanent equity.
    Fact StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
    Label Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest
    Taxonomy us-gaap
    Unit USD
    Val 92,000,000
  27. 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 62,000
  28. 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
  29. Description Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary differences, classified as other.
    Fact DeferredTaxAssetsOther
    Label Deferred Tax Assets, Other
    Taxonomy us-gaap
    Unit USD
    Val 526,000
  30. Description Amount of cash outflow to satisfy grantee's tax withholding obligation for award under share-based payment arrangement.
    Fact PaymentsRelatedToTaxWithholdingForShareBasedCompensation
    Label Payment, Tax Withholding, Share-based Payment Arrangement
    Start 2021-01-01
    Taxonomy us-gaap
    Unit USD
    Val 248,000
  31. Description Amount of noncurrent assets classified as other.
    Fact OtherAssetsNoncurrent
    Label Other Assets, Noncurrent
    Taxonomy us-gaap
    Unit USD
    Val 764,000
  32. Description Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.
    Fact ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue
    Label Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value
    Taxonomy us-gaap
    Unit USD
    Val 0
  33. 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 0
  34. Description Amount of deferred federal income tax expense (benefit) pertaining to income (loss) from continuing operations.
    Fact DeferredFederalIncomeTaxExpenseBenefit
    Label Deferred Federal Income Tax Expense (Benefit)
    Start 2021-01-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  35. Description Amount of liabilities classified as other, due after one year or the normal operating cycle, if longer.
    Fact OtherLiabilitiesNoncurrent
    Label Other Liabilities, Noncurrent
    Taxonomy us-gaap
    Unit USD
    Val 485,000
  36. 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 CY2021Q4I
    Label Lessee, Operating Lease, Liability, to be Paid, Year One
    Taxonomy us-gaap
    Unit USD
    Val 286,000
  37. Description Amount of state and local current and deferred income tax expense (benefit) attributable to continuing operations.
    Fact StateAndLocalIncomeTaxExpenseBenefitContinuingOperations
    Label State and Local Income Tax Expense (Benefit), Continuing Operations
    Start 2021-01-01
    Taxonomy us-gaap
    Unit USD
    Val -1,508,000
  38. 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 2021-01-01
    Taxonomy us-gaap
    Unit USD
    Val -28,974,000
  39. Description Fair value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing 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 AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue
    Label Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, Year One
    Taxonomy us-gaap
    Unit USD
    Val 91,452,000
  40. Description Amount by which current fair value of underlying stock exceeds exercise price of fully vested and expected to vest options outstanding. 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 ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue
    Frame CY2021Q4I
    Label Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value
    Taxonomy us-gaap
    Unit USD
    Val 0
  41. Description Amount of cash outflow for purchase of marketable security.
    Fact PaymentsToAcquireMarketableSecurities
    Label Payments to Acquire Marketable Securities
    Start 2021-01-01
    Taxonomy us-gaap
    Unit USD
    Val 179,775,000
  42. Description Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).
    Fact AvailableForSaleDebtSecuritiesAmortizedCostBasis
    Label Debt Securities, Available-for-sale, Amortized Cost
    Taxonomy us-gaap
    Unit USD
    Val 91,522,000
  43. 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 2021-01-01
    Taxonomy us-gaap
    Unit USD
    Val -6,085,000
  44. 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 0.00
  45. 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 368,000
  46. Description Amount of current income tax expense (benefit) pertaining to taxable income (loss) from continuing operations.
    Fact CurrentIncomeTaxExpenseBenefit
    Label Current Income Tax Expense (Benefit)
    Start 2021-01-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  47. 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 97,008,000
  48. 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 229,000
  49. 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 5.64
  50. Description Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.
    Fact AllocatedShareBasedCompensationExpense
    Label Share-based Payment Arrangement, Expense
    Start 2021-01-01
    Taxonomy us-gaap
    Unit USD
    Val 2,005,000
  51. Description Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities.
    Fact AccruedLiabilitiesCurrentAndNoncurrent
    Label Accrued Liabilities
    Taxonomy us-gaap
    Unit USD
    Val 2,589,000
  52. 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 -453,016,000
  53. 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 nondeductible expenses.
    Fact IncomeTaxReconciliationNondeductibleExpense
    Label Effective Income Tax Rate Reconciliation, Nondeductible Expense, Amount
    Start 2021-01-01
    Taxonomy us-gaap
    Unit USD
    Val 320,000
  54. 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 CY2021Q4I
    Label Lessee, Operating Lease, Liability, to be Paid, Year Four
    Taxonomy us-gaap
    Unit USD
    Val 143,000
  55. 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 CY2021Q4I
    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 9.26
  56. Description Number of fully vested and expected to vest options outstanding that can 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 ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber
    Frame CY2021Q4I
    Label Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number
    Taxonomy us-gaap
    Unit shares
    Val 2,120,643
  57. Description Value, after forfeiture, of shares issued under share-based payment arrangement. Excludes employee stock ownership plan (ESOP).
    Fact StockIssuedDuringPeriodValueShareBasedCompensation
    Label Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture
    Start 2021-01-01
    Taxonomy us-gaap
    Unit USD
    Val 1,757,000
  58. 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 40,189,000
  59. Description Number of options or other stock instruments for which the right to exercise has lapsed under the terms of the plan agreements.
    Fact ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod
    Frame CY2021
    Label Share-based Compensation Arrangement by Share-based Payment Award, Options, Expirations in Period
    Start 2021-01-01
    Taxonomy us-gaap
    Unit shares
    Val 109,549
  60. Description Percentage of domestic federal statutory tax rate applicable to pretax income (loss).
    Fact EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
    Frame CY2021
    Label Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent
    Start 2021-01-01
    Taxonomy us-gaap
    Unit pure
    Val 0.21
  61. Description Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from intangible assets including goodwill.
    Fact DeferredTaxAssetsGoodwillAndIntangibleAssets
    Label Deferred Tax Assets, Goodwill and Intangible Assets
    Taxonomy us-gaap
    Unit USD
    Val 97,000
  62. Description Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income. Excludes changes in equity resulting from investments by owners and distributions to owners.
    Fact ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest
    Label Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest
    Start 2021-01-01
    Taxonomy us-gaap
    Unit USD
    Val -27,523,000
  63. Description The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income.
    Fact IncomeTaxesPaid
    Frame CY2021
    Label Income Taxes Paid
    Start 2021-01-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  64. Description Fair value of share-based compensation granted to nonemployees as payment for services rendered or acknowledged claims.
    Fact IssuanceOfStockAndWarrantsForServicesOrClaims
    Label Issuance of Stock and Warrants for Services or Claims
    Start 2021-01-01
    Taxonomy us-gaap
    Unit USD
    Val 2,005,000
  65. Description Amount, after tax and before adjustment, of unrealized holding gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Excludes unrealized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity) from transfer to available-for-sale.
    Fact OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
    Label OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, after Tax
    Start 2021-01-01
    Taxonomy us-gaap
    Unit USD
    Val -57,000
  66. Description Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations.
    Fact CurrentFederalTaxExpenseBenefit
    Label Current Federal Tax Expense (Benefit)
    Start 2021-01-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  67. Description Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in second through 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 AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost
    Label Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, after Year One Through Five
    Taxonomy us-gaap
    Unit USD
    Val 0
  68. 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 2021-01-01
    Taxonomy us-gaap
    Unit USD
    Val -54,896,000
  69. Description Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing 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 AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost
    Label Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, Year One
    Taxonomy us-gaap
    Unit USD
    Val 91,522,000
  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 2021-01-01
    Taxonomy us-gaap
    Unit USD
    Val 453,000
  71. Description Amount of current and deferred federal income tax expense (benefit) attributable to income (loss) from continuing operations.
    Fact FederalIncomeTaxExpenseBenefitContinuingOperations
    Label Federal Income Tax Expense (Benefit), Continuing Operations
    Start 2021-01-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  72. Description Value of stock issued as a result of the exercise of stock options.
    Fact StockIssuedDuringPeriodValueStockOptionsExercised
    Label Stock Issued During Period, Value, Stock Options Exercised
    Start 2021-01-01
    Taxonomy us-gaap
    Unit USD
    Val 24,000
  73. 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 20,000,000
  74. 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 10,000
  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 24,647,000
  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 Excess of issue price over par or stated value of the entity's capital stock and amounts received from other transactions involving the entity's stock or stockholders. Includes adjustments to additional paid in capital. Some examples of such adjustments include recording the issuance of debt with a beneficial conversion feature and certain tax consequences of equity instruments awarded to employees. Use this element for the aggregate amount of additional paid-in capital associated with common and preferred stock. For additional paid-in capital associated with only common stock, use the element additional paid in capital, common stock. For additional paid-in capital associated with only preferred stock, use the element additional paid in capital, preferred stock.
    Fact AdditionalPaidInCapital
    Label Additional Paid in Capital
    Taxonomy us-gaap
    Unit USD
    Val 545,988,000
  78. 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 revisions of previously reported income tax expense (benefit).
    Fact IncomeTaxReconciliationPriorYearIncomeTaxes
    Label Effective Income Tax Rate Reconciliation, Prior Year Income Taxes, Amount
    Start 2021-01-01
    Taxonomy us-gaap
    Unit USD
    Val 2,277,000
  79. 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 36,281,000
  80. Description Total number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) issued to shareholders (includes related preferred shares that were issued, repurchased, and remain in the treasury). May be all or portion of the number of preferred shares authorized. Excludes preferred shares that are classified as debt.
    Fact PreferredStockSharesIssued
    Label Preferred Stock, Shares Issued
    Taxonomy us-gaap
    Unit shares
    Val 10,000
  81. Description Weighted average price at which grantees could have acquired the underlying shares with respect to stock options of the plan that expired.
    Fact ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice
    Frame CY2021
    Label Share-based Compensation Arrangements by Share-based Payment Award, Options, Expirations in Period, Weighted Average Exercise Price
    Start 2021-01-01
    Taxonomy us-gaap
    Unit USD/shares
    Val 34.12
  82. 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 40,393,000
  83. Description Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which is directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent (that is, noncontrolling interest, previously referred to as minority interest).
    Fact MinorityInterest
    Label Stockholders' Equity Attributable to Noncontrolling Interest
    Taxonomy us-gaap
    Unit USD
    Val -254,000
  84. Description Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).
    Fact AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
    Label Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax
    Taxonomy us-gaap
    Unit USD
    Val 0
  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 2021-01-01
    Taxonomy us-gaap
    Unit USD
    Val -33,979,000
  86. Description Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.
    Fact WeightedAverageNumberOfSharesOutstandingBasic
    Label Weighted Average Number of Shares Outstanding, Basic
    Start 2021-01-01
    Taxonomy us-gaap
    Unit shares
    Val 55,313,000
  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 2021-01-01
    Taxonomy us-gaap
    Unit USD
    Val 29,050,000
  88. Description Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.
    Fact CommonStockSharesIssued
    Label Common Stock, Shares, Issued
    Taxonomy us-gaap
    Unit shares
    Val 59,800,792
  89. 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 17,680,000
  90. 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 5,008,000
  91. 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 430,000
  92. Description Number of share options (or share units) exercised during the current period.
    Fact StockIssuedDuringPeriodSharesStockOptionsExercised
    Frame CY2021
    Label Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period
    Start 2021-01-01
    Taxonomy us-gaap
    Unit shares
    Val 7,250
  93. 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 97,008,000
  94. Description The net result for the period of deducting operating expenses from operating revenues.
    Fact OperatingIncomeLoss
    Label Operating Income (Loss)
    Start 2021-01-01
    Taxonomy us-gaap
    Unit USD
    Val -29,050,000
  95. Description Amount of lessee's undiscounted obligation for lease payments in excess of discounted obligation for lease payments for operating lease.
    Fact LesseeOperatingLeaseLiabilityUndiscountedExcessAmount
    Frame CY2021Q4I
    Label Lessee, Operating Lease, Liability, Undiscounted Excess Amount
    Taxonomy us-gaap
    Unit USD
    Val 122,000
  96. Description The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.
    Fact EarningsPerShareBasic
    Label Earnings Per Share, Basic
    Start 2021-01-01
    Taxonomy us-gaap
    Unit USD/shares
    Val -0.5
  97. 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 CY2021
    Label Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period
    Start 2021-01-01
    Taxonomy us-gaap
    Unit shares
    Val 29,842
  98. 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 1,934,000
  99. 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 CY2021Q4I
    Label Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Number
    Taxonomy us-gaap
    Unit shares
    Val 1,122,783
  100. 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 2021-01-01
    Taxonomy us-gaap
    Unit USD
    Val -27,466,000
  101. Description Weighted average discount rate for operating lease calculated at point in time.
    Fact OperatingLeaseWeightedAverageDiscountRatePercent
    Frame CY2021Q4I
    Label Operating Lease, Weighted Average Discount Rate, Percent
    Taxonomy us-gaap
    Unit pure
    Val 0.10
  102. Description The amount allocated to treasury stock. Treasury stock is common and preferred shares of an entity that were issued, repurchased by the entity, and are held in its treasury.
    Fact TreasuryStockValue
    Label Treasury Stock, Value
    Taxonomy us-gaap
    Unit USD
    Val 708,000
  103. 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 CY2021Q4I
    Label Lessee, Operating Lease, Liability, to be Paid, Year Two
    Taxonomy us-gaap
    Unit USD
    Val 217,000
  104. Description Total of the carrying values as of the balance sheet date of obligations incurred through that date and payable for obligations related to services received from employees, such as accrued salaries and bonuses, payroll taxes and fringe benefits.
    Fact EmployeeRelatedLiabilitiesCurrentAndNoncurrent
    Label Employee-related Liabilities
    Taxonomy us-gaap
    Unit USD
    Val 2,034,000
  105. Description The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.
    Fact WeightedAverageNumberOfDilutedSharesOutstanding
    Label Weighted Average Number of Shares Outstanding, Diluted
    Start 2021-01-01
    Taxonomy us-gaap
    Unit shares
    Val 55,313,000
  106. Description The cash inflow associated with the aggregate amount received by the entity through sale or maturity of marketable securities (held-to-maturity or available-for-sale) during the period.
    Fact ProceedsFromSaleAndMaturityOfMarketableSecurities
    Label Proceeds from Sale and Maturity of Marketable Securities
    Start 2021-01-01
    Taxonomy us-gaap
    Unit USD
    Val 124,939,000
  107. Description Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from share-based compensation.
    Fact DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost
    Label Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-based Compensation Cost
    Taxonomy us-gaap
    Unit USD
    Val 3,086,000
  108. 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 2021-01-01
    Taxonomy us-gaap
    Unit USD
    Val 8,135,000
  109. Description The aggregate total costs related to selling a firm's product and services, as well as all other general and administrative expenses. Direct selling expenses (for example, credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products. Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products, for example telephone expenses, Internet, and postal charges. General and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, etc.
    Fact SellingGeneralAndAdministrativeExpense
    Label Selling, General and Administrative Expense
    Start 2021-01-01
    Taxonomy us-gaap
    Unit USD
    Val 11,370,000
  110. Description Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).
    Fact AccruedLiabilitiesCurrent
    Label Accrued Liabilities, Current
    Taxonomy us-gaap
    Unit USD
    Val 2,589,000
  111. 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 92,254,000
  112. Description Amount after accretion (amortization) of discount (premium), and investment expense, of interest income and dividend income on nonoperating securities.
    Fact InvestmentIncomeNet
    Label Investment Income, Net
    Start 2021-01-01
    Taxonomy us-gaap
    Unit USD
    Val 151,000
  113. Description The sum of the periodic adjustments of the differences between securities' face values and purchase prices that are charged against earnings. This is called accretion if the security was purchased at a discount and amortization if it was purchased at premium. As a noncash item, this element is an adjustment to net income when calculating cash provided by or used in operations using the indirect method.
    Fact AccretionAmortizationOfDiscountsAndPremiumsInvestments
    Label Accretion (Amortization) of Discounts and Premiums, Investments
    Start 2021-01-01
    Taxonomy us-gaap
    Unit USD
    Val -2,514,000
  114. 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 2,131,849
  115. 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 724,000
  116. Description The current period expense charged against earnings on long-lived, physical assets not used in production, and which are not intended for resale, to allocate or recognize the cost of such assets over their useful lives; or to record the reduction in book value of an intangible asset over the benefit period of such asset; or to reflect consumption during the period of an asset that is not used in production.
    Fact DepreciationAndAmortization
    Frame CY2021
    Label Depreciation, Depletion and Amortization, Nonproduction
    Start 2021-01-01
    Taxonomy us-gaap
    Unit USD
    Val 55,000
  117. 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 other adjustments.
    Fact IncomeTaxReconciliationOtherAdjustments
    Label Effective Income Tax Rate Reconciliation, Other Adjustments, Amount
    Start 2021-01-01
    Taxonomy us-gaap
    Unit USD
    Val 1,407,000
  118. Description Weighted-average exercise price, at which grantee can acquire shares reserved for issuance, for fully vested and expected to vest options outstanding. 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 ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice
    Frame CY2021Q4I
    Label Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price
    Taxonomy us-gaap
    Unit USD/shares
    Val 5.66
  119. 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 4,523,000
  120. Description Amount of deferred tax liability attributable to taxable temporary differences from leasing arrangements.
    Fact DeferredTaxLiabilitiesLeasingArrangements
    Label Deferred Tax Liabilities, Leasing Arrangements
    Taxonomy us-gaap
    Unit USD
    Val 204,000
  121. Description Amount of deferred state and local tax expense (benefit) pertaining to income (loss) from continuing operations.
    Fact DeferredStateAndLocalIncomeTaxExpenseBenefit
    Label Deferred State and Local Income Tax Expense (Benefit)
    Start 2021-01-01
    Taxonomy us-gaap
    Unit USD
    Val -1,508,000
  122. Description Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income (loss) and other comprehensive income (loss), attributable to noncontrolling interests. Excludes changes in equity resulting from investments by owners and distributions to owners.
    Fact ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest
    Label Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest
    Start 2021-01-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  123. Description Aggregate par or stated value of issued nonredeemable common stock (or common stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable common shares, par value and other disclosure concepts are in another section within stockholders' equity.
    Fact CommonStockValue
    Label Common Stock, Value, Issued
    Taxonomy us-gaap
    Unit USD
    Val 60,000
  124. Description Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from employee compensation.
    Fact DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation
    Label Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Employee Compensation
    Taxonomy us-gaap
    Unit USD
    Val 176,000
  125. Description Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).
    Fact AvailableForSaleSecuritiesDebtSecurities
    Label Debt Securities, Available-for-sale
    Taxonomy us-gaap
    Unit USD
    Val 91,452,000
  126. 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 2021-01-01
    Taxonomy us-gaap
    Unit USD
    Val -22,245,000
  127. Description Amount by which current fair value of underlying stock exceeds exercise price of 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 ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableAggregateIntrinsicValue
    Frame CY2021Q4I
    Label Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Aggregate Intrinsic Value
    Taxonomy us-gaap
    Unit USD
    Val 0
  128. Description Equity impact of the value of new stock issued during the period. Includes shares issued in an initial public offering or a secondary public offering.
    Fact StockIssuedDuringPeriodValueNewIssues
    Label Stock Issued During Period, Value, New Issues
    Start 2021-01-01
    Taxonomy us-gaap
    Unit USD
    Val 85,500,000
  129. Description Amount of deferred tax liability attributable to taxable temporary differences.
    Fact DeferredIncomeTaxLiabilities
    Label Deferred Tax Liabilities, Gross
    Taxonomy us-gaap
    Unit USD
    Val 204,000
  130. 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 326,000
  131. Description Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge.
    Fact AccumulatedOtherComprehensiveIncomeLossNetOfTax
    Label Accumulated Other Comprehensive Income (Loss), Net of Tax
    Taxonomy us-gaap
    Unit USD
    Val -70,000
  132. Description Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.
    Fact CommonStockSharesOutstanding
    Label Common Stock, Shares, Outstanding
    Taxonomy us-gaap
    Unit shares
    Val 59,789,712
  133. Description Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.
    Fact ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice
    Frame CY2021
    Label Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price
    Start 2021-01-01
    Taxonomy us-gaap
    Unit USD/shares
    Val 1.32
  134. 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 96,182,000
  135. 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 485,000
  136. Description Amount of current state and local tax expense (benefit) pertaining to income (loss) from continuing operations.
    Fact CurrentStateAndLocalTaxExpenseBenefit
    Label Current State and Local Tax Expense (Benefit)
    Start 2021-01-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  137. 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 CY2021Q4I
    Label Lessee, Operating Lease, Liability, to be Paid, Year Three
    Taxonomy us-gaap
    Unit USD
    Val 190,000
  138. Description Amount of lessee's undiscounted obligation for lease payment for operating lease.
    Fact LesseeOperatingLeaseLiabilityPaymentsDue
    Frame CY2021Q4I
    Label Lessee, Operating Lease, Liability, to be Paid
    Taxonomy us-gaap
    Unit USD
    Val 836,000
  139. Description The maximum number of common shares permitted to be issued by an entity's charter and bylaws.
    Fact CommonStockSharesAuthorized
    Label Common Stock, Shares Authorized
    Taxonomy us-gaap
    Unit shares
    Val 500,000,000
  140. Description The aggregate amount of income or expense from ancillary business-related activities (that is to say, excluding major activities considered part of the normal operations of the business).
    Fact NonoperatingIncomeExpense
    Label Nonoperating Income (Expense)
    Start 2021-01-01
    Taxonomy us-gaap
    Unit USD
    Val 76,000
  141. Description Amount of increase (decrease) in operating assets classified as other.
    Fact IncreaseDecreaseInOtherOperatingAssets
    Label Increase (Decrease) in Other Operating Assets
    Start 2021-01-01
    Taxonomy us-gaap
    Unit USD
    Val 150,000
  142. Description Amount of cash inflow from exercise of option under share-based payment arrangement.
    Fact ProceedsFromStockOptionsExercised
    Label Proceeds from Stock Options Exercised
    Start 2021-01-01
    Taxonomy us-gaap
    Unit USD
    Val 24,000

Facts up to 2021-06-30

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
Label Entity Public Float
Taxonomy dei
Unit USD
Val 95,000,000

Facts up to 2021-02-28

Description The cash inflow from the additional capital contribution to the entity.
Fact ProceedsFromIssuanceOfCommonStock
Frame CY2021Q1I
Label Proceeds from Issuance of Common Stock
Start 2021-02-01
Taxonomy us-gaap
Unit USD
Val 65,000,000

Facts up to 2021-01-31

  1. Description Number of shares of stock issued attributable to transactions classified as other.
    Fact StockIssuedDuringPeriodSharesOther
    Frame CY2020Q4I
    Label Stock Issued During Period, Shares, Other
    Start 2021-01-01
    Taxonomy us-gaap
    Unit shares
    Val 801,148
  2. Description The cash inflow associated with the amount received from holders exercising their stock warrants.
    Fact ProceedsFromWarrantExercises
    Frame CY2020Q4I
    Label Proceeds from Warrant Exercises
    Start 2021-01-01
    Taxonomy us-gaap
    Unit USD
    Val 1,800,000

Facts up to 2020-12-31

  1. Description The cash inflow from the additional capital contribution to the entity.
    Fact ProceedsFromIssuanceOfCommonStock
    Frame CY2020
    Label Proceeds from Issuance of Common Stock
    Start 2020-01-01
    Taxonomy us-gaap
    Unit USD
    Val 18,728,000
  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 16,512,000
  3. Description The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.
    Fact EarningsPerShareDiluted
    Frame CY2020
    Label Earnings Per Share, Diluted
    Start 2020-01-01
    Taxonomy us-gaap
    Unit USD/shares
    Val -0.53
  4. Description Amount of income (expense) related to nonoperating activities, classified as other.
    Fact OtherNonoperatingIncomeExpense
    Frame CY2020
    Label Other Nonoperating Income (Expense)
    Start 2020-01-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  5. Description Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.
    Fact IncomeTaxExpenseBenefit
    Frame CY2020
    Label Income Tax Expense (Benefit)
    Start 2020-01-01
    Taxonomy us-gaap
    Unit USD
    Val -10,872,000
  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
    Frame CY2020Q4I
    Label Prepaid Expense and Other Assets, Current
    Taxonomy us-gaap
    Unit USD
    Val 758,000
  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
    Frame CY2020
    Label Depreciation
    Start 2020-01-01
    Taxonomy us-gaap
    Unit USD
    Val 100,000
  8. Description Aggregate par or stated value of issued nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable preferred shares, par value and other disclosure concepts are in another section within stockholders' equity.
    Fact PreferredStockValue
    Frame CY2020Q4I
    Label Preferred Stock, Value, Issued
    Taxonomy us-gaap
    Unit USD
    Val 0
  9. Description Amount of investment in marketable security.
    Fact MarketableSecurities
    Frame CY2020Q4I
    Label Marketable Securities
    Taxonomy us-gaap
    Unit USD
    Val 18,061,000
  10. Description Present value of lessee's discounted obligation for lease payments from operating lease.
    Fact OperatingLeaseLiability
    Frame CY2020Q4I
    Label Operating Lease, Liability
    Taxonomy us-gaap
    Unit USD
    Val 624,000
  11. Description Amount after tax and reclassification adjustments of other comprehensive income (loss).
    Fact OtherComprehensiveIncomeLossNetOfTax
    Frame CY2020
    Label Other Comprehensive Income (Loss), Net of Tax
    Start 2020-01-01
    Taxonomy us-gaap
    Unit USD
    Val -15,000
  12. Description Amount after tax of income (loss) from continuing operations attributable to the noncontrolling interest.
    Fact IncomeLossFromContinuingOperationsAttributableToNoncontrollingEntity
    Frame CY2020
    Label Income (Loss) from Continuing Operations, Net of Tax, Attributable to Noncontrolling Interest
    Start 2020-01-01
    Taxonomy us-gaap
    Unit USD
    Val 9,000
  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
    Frame CY2020
    Label Net Cash Provided by (Used in) Financing Activities
    Start 2020-01-01
    Taxonomy us-gaap
    Unit USD
    Val 18,580,000
  14. Description Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations.
    Fact DeferredIncomeTaxExpenseBenefit
    Frame CY2020
    Label Deferred Income Tax Expense (Benefit)
    Start 2020-01-01
    Taxonomy us-gaap
    Unit USD
    Val -10,872,000
  15. Description Amount, before tax, of unrealized loss in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).
    Fact AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
    Frame CY2020Q4I
    Label Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax
    Taxonomy us-gaap
    Unit USD
    Val 13,000
  16. Description Amount, after tax and adjustment, of unrealized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale) and unrealized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity) from transfer to available-for-sale.
    Fact OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax
    Frame CY2020
    Label OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment and Tax
    Start 2020-01-01
    Taxonomy us-gaap
    Unit USD
    Val -15,000
  17. Description Number of common and preferred shares that were previously issued and that were repurchased by the issuing entity and held in treasury on the financial statement date. This stock has no voting rights and receives no dividends.
    Fact TreasuryStockShares
    Frame CY2020Q4I
    Label Treasury Stock, Shares
    Taxonomy us-gaap
    Unit shares
    Val 11,080
  18. Description Fair value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in second through 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 AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue
    Frame CY2020Q4I
    Label Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year One Through Five
    Taxonomy us-gaap
    Unit USD
    Val 0
  19. Description The portion of earnings or loss from continuing operations before income taxes that is attributable to domestic operations.
    Fact IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic
    Frame CY2020
    Label Income (Loss) from Continuing Operations before Income Taxes, Domestic
    Start 2020-01-01
    Taxonomy us-gaap
    Unit USD
    Val -19,013,000
  20. 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 CY2020
    Label Payments to Acquire Property, Plant, and Equipment
    Start 2020-01-01
    Taxonomy us-gaap
    Unit USD
    Val 20,000
  21. Description The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.
    Fact ProfitLoss
    Frame CY2020
    Label Net Income (Loss), Including Portion Attributable to Noncontrolling Interest
    Start 2020-01-01
    Taxonomy us-gaap
    Unit USD
    Val -8,141,000
  22. Description Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.
    Fact ComprehensiveIncomeNetOfTax
    Frame CY2020
    Label Comprehensive Income (Loss), Net of Tax, Attributable to Parent
    Start 2020-01-01
    Taxonomy us-gaap
    Unit USD
    Val -8,165,000
  23. Description Amount of stockholders' equity (deficit), net of receivables from officers, directors, owners, and affiliates of the entity, attributable to both the parent and noncontrolling interests. Amount excludes temporary equity. Alternate caption for the concept is permanent equity.
    Fact StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
    Label Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest
    Taxonomy us-gaap
    Unit USD
    Val 32,242,000
  24. 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 CY2020Q4I
    Label Property, Plant and Equipment, Net
    Taxonomy us-gaap
    Unit USD
    Val 57,000
  25. Description Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer.
    Fact PreferredStockParOrStatedValuePerShare
    Frame CY2020Q4I
    Label Preferred Stock, Par or Stated Value Per Share
    Taxonomy us-gaap
    Unit USD/shares
    Val 0.01
  26. Description Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary differences, classified as other.
    Fact DeferredTaxAssetsOther
    Frame CY2020Q4I
    Label Deferred Tax Assets, Other
    Taxonomy us-gaap
    Unit USD
    Val 526,000
  27. Description Amount of cash outflow to satisfy grantee's tax withholding obligation for award under share-based payment arrangement.
    Fact PaymentsRelatedToTaxWithholdingForShareBasedCompensation
    Frame CY2020
    Label Payment, Tax Withholding, Share-based Payment Arrangement
    Start 2020-01-01
    Taxonomy us-gaap
    Unit USD
    Val 148,000
  28. Description Amount of noncurrent assets classified as other.
    Fact OtherAssetsNoncurrent
    Frame CY2020Q4I
    Label Other Assets, Noncurrent
    Taxonomy us-gaap
    Unit USD
    Val 614,000
  29. Description Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.
    Fact ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue
    Frame CY2020Q4I
    Label Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value
    Taxonomy us-gaap
    Unit USD
    Val 0
  30. 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 CY2020
    Label Interest Paid, Excluding Capitalized Interest, Operating Activities
    Start 2020-01-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  31. Description Amount of deferred federal income tax expense (benefit) pertaining to income (loss) from continuing operations.
    Fact DeferredFederalIncomeTaxExpenseBenefit
    Frame CY2020
    Label Deferred Federal Income Tax Expense (Benefit)
    Start 2020-01-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  32. Description Amount of liabilities classified as other, due after one year or the normal operating cycle, if longer.
    Fact OtherLiabilitiesNoncurrent
    Frame CY2020Q4I
    Label Other Liabilities, Noncurrent
    Taxonomy us-gaap
    Unit USD
    Val 254,000
  33. Description Amount of state and local current and deferred income tax expense (benefit) attributable to continuing operations.
    Fact StateAndLocalIncomeTaxExpenseBenefitContinuingOperations
    Frame CY2020
    Label State and Local Income Tax Expense (Benefit), Continuing Operations
    Start 2020-01-01
    Taxonomy us-gaap
    Unit USD
    Val -10,872,000
  34. 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 CY2020
    Label Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest
    Start 2020-01-01
    Taxonomy us-gaap
    Unit USD
    Val -19,013,000
  35. Description Fair value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing 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 AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue
    Frame CY2020Q4I
    Label Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, Year One
    Taxonomy us-gaap
    Unit USD
    Val 30,737,000
  36. Description Amount of cash outflow for purchase of marketable security.
    Fact PaymentsToAcquireMarketableSecurities
    Frame CY2020
    Label Payments to Acquire Marketable Securities
    Start 2020-01-01
    Taxonomy us-gaap
    Unit USD
    Val 34,799,000
  37. Description Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).
    Fact AvailableForSaleDebtSecuritiesAmortizedCostBasis
    Frame CY2020Q4I
    Label Debt Securities, Available-for-sale, Amortized Cost
    Taxonomy us-gaap
    Unit USD
    Val 30,750,000
  38. 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 CY2020
    Label Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount
    Start 2020-01-01
    Taxonomy us-gaap
    Unit USD
    Val -3,993,000
  39. Description Face amount or stated value per share of common stock.
    Fact CommonStockParOrStatedValuePerShare
    Frame CY2020Q4I
    Label Common Stock, Par or Stated Value Per Share
    Taxonomy us-gaap
    Unit USD/shares
    Val 0.00
  40. 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 CY2020Q4I
    Label Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment
    Taxonomy us-gaap
    Unit USD
    Val 313,000
  41. Description Amount of current income tax expense (benefit) pertaining to taxable income (loss) from continuing operations.
    Fact CurrentIncomeTaxExpenseBenefit
    Frame CY2020
    Label Current Income Tax Expense (Benefit)
    Start 2020-01-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  42. Description Amount of liabilities and equity items, including the portion of equity attributable to noncontrolling interests, if any.
    Fact LiabilitiesAndStockholdersEquity
    Frame CY2020Q4I
    Label Liabilities and Equity
    Taxonomy us-gaap
    Unit USD
    Val 36,002,000
  43. Description Present value of lessee's discounted obligation for lease payments from operating lease, classified as current.
    Fact OperatingLeaseLiabilityCurrent
    Frame CY2020Q4I
    Label Operating Lease, Liability, Current
    Taxonomy us-gaap
    Unit USD
    Val 370,000
  44. Description Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.
    Fact ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
    Frame CY2020Q4I
    Label Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price
    Taxonomy us-gaap
    Unit USD/shares
    Val 14.64
  45. Description Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.
    Fact AllocatedShareBasedCompensationExpense
    Frame CY2020
    Label Share-based Payment Arrangement, Expense
    Start 2020-01-01
    Taxonomy us-gaap
    Unit USD
    Val 1,265,000
  46. Description Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities.
    Fact AccruedLiabilitiesCurrentAndNoncurrent
    Frame CY2020Q4I
    Label Accrued Liabilities
    Taxonomy us-gaap
    Unit USD
    Val 2,486,000
  47. Description The cumulative amount of the reporting entity's undistributed earnings or deficit.
    Fact RetainedEarningsAccumulatedDeficit
    Frame CY2020Q4I
    Label Retained Earnings (Accumulated Deficit)
    Taxonomy us-gaap
    Unit USD
    Val -425,550,000
  48. 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 nondeductible expenses.
    Fact IncomeTaxReconciliationNondeductibleExpense
    Frame CY2020
    Label Effective Income Tax Rate Reconciliation, Nondeductible Expense, Amount
    Start 2020-01-01
    Taxonomy us-gaap
    Unit USD
    Val 5,000
  49. Description Value, after forfeiture, of shares issued under share-based payment arrangement. Excludes employee stock ownership plan (ESOP).
    Fact StockIssuedDuringPeriodValueShareBasedCompensation
    Frame CY2020
    Label Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture
    Start 2020-01-01
    Taxonomy us-gaap
    Unit USD
    Val 1,117,000
  50. 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 CY2020Q4I
    Label Deferred Tax Assets, Valuation Allowance
    Taxonomy us-gaap
    Unit USD
    Val 74,169,000
  51. Description Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from intangible assets including goodwill.
    Fact DeferredTaxAssetsGoodwillAndIntangibleAssets
    Frame CY2020Q4I
    Label Deferred Tax Assets, Goodwill and Intangible Assets
    Taxonomy us-gaap
    Unit USD
    Val 131,000
  52. Description Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income. Excludes changes in equity resulting from investments by owners and distributions to owners.
    Fact ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest
    Frame CY2020
    Label Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest
    Start 2020-01-01
    Taxonomy us-gaap
    Unit USD
    Val -8,156,000
  53. Description The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income.
    Fact IncomeTaxesPaid
    Frame CY2020
    Label Income Taxes Paid
    Start 2020-01-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  54. Description Fair value of share-based compensation granted to nonemployees as payment for services rendered or acknowledged claims.
    Fact IssuanceOfStockAndWarrantsForServicesOrClaims
    Frame CY2020
    Label Issuance of Stock and Warrants for Services or Claims
    Start 2020-01-01
    Taxonomy us-gaap
    Unit USD
    Val 1,265,000
  55. Description Amount, after tax and before adjustment, of unrealized holding gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Excludes unrealized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity) from transfer to available-for-sale.
    Fact OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
    Frame CY2020
    Label OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, after Tax
    Start 2020-01-01
    Taxonomy us-gaap
    Unit USD
    Val -15,000
  56. Description Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations.
    Fact CurrentFederalTaxExpenseBenefit
    Frame CY2020
    Label Current Federal Tax Expense (Benefit)
    Start 2020-01-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  57. Description Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in second through 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 AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost
    Frame CY2020Q4I
    Label Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, after Year One Through Five
    Taxonomy us-gaap
    Unit USD
    Val 0
  58. 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 CY2020
    Label Net Cash Provided by (Used in) Investing Activities
    Start 2020-01-01
    Taxonomy us-gaap
    Unit USD
    Val -7,277,000
  59. Description Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing 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 AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost
    Frame CY2020Q4I
    Label Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, Year One
    Taxonomy us-gaap
    Unit USD
    Val 30,750,000
  60. Description Amount of increase (decrease) in prepaid expenses, and assets classified as other.
    Fact IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets
    Frame CY2020
    Label Increase (Decrease) in Prepaid Expense and Other Assets
    Start 2020-01-01
    Taxonomy us-gaap
    Unit USD
    Val -56,000
  61. Description Amount of current and deferred federal income tax expense (benefit) attributable to income (loss) from continuing operations.
    Fact FederalIncomeTaxExpenseBenefitContinuingOperations
    Frame CY2020
    Label Federal Income Tax Expense (Benefit), Continuing Operations
    Start 2020-01-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  62. 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
    Frame CY2020Q4I
    Label Preferred Stock, Shares Authorized
    Taxonomy us-gaap
    Unit shares
    Val 20,000,000
  63. 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
    Frame CY2020Q4I
    Label Preferred Stock, Shares Outstanding
    Taxonomy us-gaap
    Unit shares
    Val 10,000
  64. 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 CY2020Q4I
    Label Cash and Cash Equivalents, at Carrying Value
    Taxonomy us-gaap
    Unit USD
    Val 16,512,000
  65. 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 CY2020Q4I
    Label Deferred Tax Assets, Net
    Taxonomy us-gaap
    Unit USD
    Val 0
  66. Description Excess of issue price over par or stated value of the entity's capital stock and amounts received from other transactions involving the entity's stock or stockholders. Includes adjustments to additional paid in capital. Some examples of such adjustments include recording the issuance of debt with a beneficial conversion feature and certain tax consequences of equity instruments awarded to employees. Use this element for the aggregate amount of additional paid-in capital associated with common and preferred stock. For additional paid-in capital associated with only common stock, use the element additional paid in capital, common stock. For additional paid-in capital associated with only preferred stock, use the element additional paid in capital, preferred stock.
    Fact AdditionalPaidInCapital
    Frame CY2020Q4I
    Label Additional Paid in Capital
    Taxonomy us-gaap
    Unit USD
    Val 458,748,000
  67. 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 revisions of previously reported income tax expense (benefit).
    Fact IncomeTaxReconciliationPriorYearIncomeTaxes
    Frame CY2020
    Label Effective Income Tax Rate Reconciliation, Prior Year Income Taxes, Amount
    Start 2020-01-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  68. Description Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards.
    Fact DeferredTaxAssetsOperatingLossCarryforwards
    Frame CY2020Q4I
    Label Deferred Tax Assets, Operating Loss Carryforwards
    Taxonomy us-gaap
    Unit USD
    Val 68,286,000
  69. Description Total number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) issued to shareholders (includes related preferred shares that were issued, repurchased, and remain in the treasury). May be all or portion of the number of preferred shares authorized. Excludes preferred shares that are classified as debt.
    Fact PreferredStockSharesIssued
    Frame CY2020Q4I
    Label Preferred Stock, Shares Issued
    Taxonomy us-gaap
    Unit shares
    Val 10,000
  70. Description Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.
    Fact DeferredTaxAssetsGross
    Frame CY2020Q4I
    Label Deferred Tax Assets, Gross
    Taxonomy us-gaap
    Unit USD
    Val 74,330,000
  71. Description Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which is directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent (that is, noncontrolling interest, previously referred to as minority interest).
    Fact MinorityInterest
    Frame CY2020Q4I
    Label Stockholders' Equity Attributable to Noncontrolling Interest
    Taxonomy us-gaap
    Unit USD
    Val -254,000
  72. Description Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).
    Fact AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
    Frame CY2020Q4I
    Label Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax
    Taxonomy us-gaap
    Unit USD
    Val 0
  73. 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 CY2020
    Label Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount
    Start 2020-01-01
    Taxonomy us-gaap
    Unit USD
    Val -1,521,000
  74. Description Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.
    Fact WeightedAverageNumberOfSharesOutstandingBasic
    Frame CY2020
    Label Weighted Average Number of Shares Outstanding, Basic
    Start 2020-01-01
    Taxonomy us-gaap
    Unit shares
    Val 15,440,000
  75. 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 CY2020
    Label Operating Expenses
    Start 2020-01-01
    Taxonomy us-gaap
    Unit USD
    Val 19,145,000
  76. Description Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.
    Fact CommonStockSharesIssued
    Frame CY2020Q4I
    Label Common Stock, Shares, Issued
    Taxonomy us-gaap
    Unit shares
    Val 19,389,413
  77. 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 CY2020
    Label Research and Development Expense
    Start 2020-01-01
    Taxonomy us-gaap
    Unit USD
    Val 9,253,000
  78. 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 CY2020Q4I
    Label Liabilities
    Taxonomy us-gaap
    Unit USD
    Val 3,760,000
  79. 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 CY2020Q4I
    Label Property, Plant and Equipment, Gross
    Taxonomy us-gaap
    Unit USD
    Val 370,000
  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 CY2020Q4I
    Label Assets
    Taxonomy us-gaap
    Unit USD
    Val 36,002,000
  81. Description The net result for the period of deducting operating expenses from operating revenues.
    Fact OperatingIncomeLoss
    Frame CY2020
    Label Operating Income (Loss)
    Start 2020-01-01
    Taxonomy us-gaap
    Unit USD
    Val -19,145,000
  82. Description The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.
    Fact EarningsPerShareBasic
    Frame CY2020
    Label Earnings Per Share, Basic
    Start 2020-01-01
    Taxonomy us-gaap
    Unit USD/shares
    Val -0.53
  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 CY2020Q4I
    Label Accounts Payable, Current
    Taxonomy us-gaap
    Unit USD
    Val 1,020,000
  84. Description The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.
    Fact NetIncomeLoss
    Frame CY2020
    Label Net Income (Loss) Attributable to Parent
    Start 2020-01-01
    Taxonomy us-gaap
    Unit USD
    Val -8,150,000
  85. Description The amount allocated to treasury stock. Treasury stock is common and preferred shares of an entity that were issued, repurchased by the entity, and are held in its treasury.
    Fact TreasuryStockValue
    Frame CY2020Q4I
    Label Treasury Stock, Value
    Taxonomy us-gaap
    Unit USD
    Val 708,000
  86. Description Total of the carrying values as of the balance sheet date of obligations incurred through that date and payable for obligations related to services received from employees, such as accrued salaries and bonuses, payroll taxes and fringe benefits.
    Fact EmployeeRelatedLiabilitiesCurrentAndNoncurrent
    Frame CY2020Q4I
    Label Employee-related Liabilities
    Taxonomy us-gaap
    Unit USD
    Val 1,716,000
  87. Description The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.
    Fact WeightedAverageNumberOfDilutedSharesOutstanding
    Frame CY2020
    Label Weighted Average Number of Shares Outstanding, Diluted
    Start 2020-01-01
    Taxonomy us-gaap
    Unit shares
    Val 15,440,000
  88. Description The cash inflow associated with the aggregate amount received by the entity through sale or maturity of marketable securities (held-to-maturity or available-for-sale) during the period.
    Fact ProceedsFromSaleAndMaturityOfMarketableSecurities
    Frame CY2020
    Label Proceeds from Sale and Maturity of Marketable Securities
    Start 2020-01-01
    Taxonomy us-gaap
    Unit USD
    Val 27,542,000
  89. Description Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from share-based compensation.
    Fact DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost
    Frame CY2020Q4I
    Label Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-based Compensation Cost
    Taxonomy us-gaap
    Unit USD
    Val 5,025,000
  90. 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 CY2020
    Label Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect
    Start 2020-01-01
    Taxonomy us-gaap
    Unit USD
    Val 2,480,000
  91. Description The aggregate total costs related to selling a firm's product and services, as well as all other general and administrative expenses. Direct selling expenses (for example, credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products. Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products, for example telephone expenses, Internet, and postal charges. General and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, etc.
    Fact SellingGeneralAndAdministrativeExpense
    Frame CY2020
    Label Selling, General and Administrative Expense
    Start 2020-01-01
    Taxonomy us-gaap
    Unit USD
    Val 9,892,000
  92. Description Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).
    Fact AccruedLiabilitiesCurrent
    Frame CY2020Q4I
    Label Accrued Liabilities, Current
    Taxonomy us-gaap
    Unit USD
    Val 2,486,000
  93. 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 32,496,000
  94. Description Amount after accretion (amortization) of discount (premium), and investment expense, of interest income and dividend income on nonoperating securities.
    Fact InvestmentIncomeNet
    Frame CY2020
    Label Investment Income, Net
    Start 2020-01-01
    Taxonomy us-gaap
    Unit USD
    Val 132,000
  95. Description The sum of the periodic adjustments of the differences between securities' face values and purchase prices that are charged against earnings. This is called accretion if the security was purchased at a discount and amortization if it was purchased at premium. As a noncash item, this element is an adjustment to net income when calculating cash provided by or used in operations using the indirect method.
    Fact AccretionAmortizationOfDiscountsAndPremiumsInvestments
    Frame CY2020
    Label Accretion (Amortization) of Discounts and Premiums, Investments
    Start 2020-01-01
    Taxonomy us-gaap
    Unit USD
    Val -307,000
  96. Description Number of options outstanding, including both vested and non-vested options.
    Fact ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
    Frame CY2020Q4I
    Label Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number
    Taxonomy us-gaap
    Unit shares
    Val 963,700
  97. Description Amount of lessee's right to use underlying asset under operating lease.
    Fact OperatingLeaseRightOfUseAsset
    Frame CY2020Q4I
    Label Operating Lease, Right-of-Use Asset
    Taxonomy us-gaap
    Unit USD
    Val 574,000
  98. Description The current period expense charged against earnings on long-lived, physical assets not used in production, and which are not intended for resale, to allocate or recognize the cost of such assets over their useful lives; or to record the reduction in book value of an intangible asset over the benefit period of such asset; or to reflect consumption during the period of an asset that is not used in production.
    Fact DepreciationAndAmortization
    Frame CY2020
    Label Depreciation, Depletion and Amortization, Nonproduction
    Start 2020-01-01
    Taxonomy us-gaap
    Unit USD
    Val 63,000
  99. 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 other adjustments.
    Fact IncomeTaxReconciliationOtherAdjustments
    Frame CY2020
    Label Effective Income Tax Rate Reconciliation, Other Adjustments, Amount
    Start 2020-01-01
    Taxonomy us-gaap
    Unit USD
    Val 387,000
  100. 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 CY2020Q4I
    Label Liabilities, Current
    Taxonomy us-gaap
    Unit USD
    Val 3,506,000
  101. Description Amount of deferred tax liability attributable to taxable temporary differences from leasing arrangements.
    Fact DeferredTaxLiabilitiesLeasingArrangements
    Frame CY2020Q4I
    Label Deferred Tax Liabilities, Leasing Arrangements
    Taxonomy us-gaap
    Unit USD
    Val 161,000
  102. Description Amount of deferred state and local tax expense (benefit) pertaining to income (loss) from continuing operations.
    Fact DeferredStateAndLocalIncomeTaxExpenseBenefit
    Frame CY2020
    Label Deferred State and Local Income Tax Expense (Benefit)
    Start 2020-01-01
    Taxonomy us-gaap
    Unit USD
    Val -10,872,000
  103. Description Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income (loss) and other comprehensive income (loss), attributable to noncontrolling interests. Excludes changes in equity resulting from investments by owners and distributions to owners.
    Fact ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest
    Frame CY2020
    Label Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest
    Start 2020-01-01
    Taxonomy us-gaap
    Unit USD
    Val 9,000
  104. Description Aggregate par or stated value of issued nonredeemable common stock (or common stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable common shares, par value and other disclosure concepts are in another section within stockholders' equity.
    Fact CommonStockValue
    Frame CY2020Q4I
    Label Common Stock, Value, Issued
    Taxonomy us-gaap
    Unit USD
    Val 19,000
  105. Description Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from employee compensation.
    Fact DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation
    Frame CY2020Q4I
    Label Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Employee Compensation
    Taxonomy us-gaap
    Unit USD
    Val 167,000
  106. Description Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).
    Fact AvailableForSaleSecuritiesDebtSecurities
    Frame CY2020Q4I
    Label Debt Securities, Available-for-sale
    Taxonomy us-gaap
    Unit USD
    Val 30,737,000
  107. 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 CY2020
    Label Net Cash Provided by (Used in) Operating Activities
    Start 2020-01-01
    Taxonomy us-gaap
    Unit USD
    Val -8,823,000
  108. Description Equity impact of the value of new stock issued during the period. Includes shares issued in an initial public offering or a secondary public offering.
    Fact StockIssuedDuringPeriodValueNewIssues
    Frame CY2020
    Label Stock Issued During Period, Value, New Issues
    Start 2020-01-01
    Taxonomy us-gaap
    Unit USD
    Val 18,728,000
  109. Description Amount of deferred tax liability attributable to taxable temporary differences.
    Fact DeferredIncomeTaxLiabilities
    Frame CY2020Q4I
    Label Deferred Tax Liabilities, Gross
    Taxonomy us-gaap
    Unit USD
    Val 161,000
  110. 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 CY2020Q4I
    Label Other Accrued Liabilities, Current
    Taxonomy us-gaap
    Unit USD
    Val 400,000
  111. Description Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge.
    Fact AccumulatedOtherComprehensiveIncomeLossNetOfTax
    Frame CY2020Q4I
    Label Accumulated Other Comprehensive Income (Loss), Net of Tax
    Taxonomy us-gaap
    Unit USD
    Val -13,000
  112. Description Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.
    Fact CommonStockSharesOutstanding
    Frame CY2020Q4I
    Label Common Stock, Shares, Outstanding
    Taxonomy us-gaap
    Unit shares
    Val 19,378,333
  113. 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 CY2020Q4I
    Label Assets, Current
    Taxonomy us-gaap
    Unit USD
    Val 35,331,000
  114. Description Present value of lessee's discounted obligation for lease payments from operating lease, classified as noncurrent.
    Fact OperatingLeaseLiabilityNoncurrent
    Frame CY2020Q4I
    Label Operating Lease, Liability, Noncurrent
    Taxonomy us-gaap
    Unit USD
    Val 254,000
  115. Description Amount of current state and local tax expense (benefit) pertaining to income (loss) from continuing operations.
    Fact CurrentStateAndLocalTaxExpenseBenefit
    Frame CY2020
    Label Current State and Local Tax Expense (Benefit)
    Start 2020-01-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  116. Description The maximum number of common shares permitted to be issued by an entity's charter and bylaws.
    Fact CommonStockSharesAuthorized
    Frame CY2020Q4I
    Label Common Stock, Shares Authorized
    Taxonomy us-gaap
    Unit shares
    Val 500,000,000
  117. Description The aggregate amount of income or expense from ancillary business-related activities (that is to say, excluding major activities considered part of the normal operations of the business).
    Fact NonoperatingIncomeExpense
    Frame CY2020
    Label Nonoperating Income (Expense)
    Start 2020-01-01
    Taxonomy us-gaap
    Unit USD
    Val 132,000
  118. Description Amount of increase (decrease) in operating assets classified as other.
    Fact IncreaseDecreaseInOtherOperatingAssets
    Frame CY2020
    Label Increase (Decrease) in Other Operating Assets
    Start 2020-01-01
    Taxonomy us-gaap
    Unit USD
    Val -466,000
  119. Description Amount of cash inflow from exercise of option under share-based payment arrangement.
    Fact ProceedsFromStockOptionsExercised
    Frame CY2020
    Label Proceeds from Stock Options Exercised
    Start 2020-01-01
    Taxonomy us-gaap
    Unit USD
    Val 0

Facts up to 2020-09-30

Description The amount of customer funding recorded as an offset to costs incurred for a fixed-price, best-efforts research and development cost-sharing arrangement with the Federal Government.
Fact ResearchAndDevelopmentArrangementWithFederalGovernmentCustomerFundingToOffsetCostsIncurred
Frame CY2020Q3I
Label Research and Development Arrangement with Federal Government, Customer Funding to Offset Costs Incurred
Start 2020-09-01
Taxonomy us-gaap
Unit USD
Val 46,000

Facts up to 2019-12-31

  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 CY2019Q4I
    Label Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents
    Taxonomy us-gaap
    Unit USD
    Val 14,032,000
  2. Description Amount of stockholders' equity (deficit), net of receivables from officers, directors, owners, and affiliates of the entity, attributable to both the parent and noncontrolling interests. Amount excludes temporary equity. Alternate caption for the concept is permanent equity.
    Fact StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
    Frame CY2019Q4I
    Label Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest
    Taxonomy us-gaap
    Unit USD
    Val 20,553,000

Facts up to 2019-05-31

Description The amount of customer funding recorded as an offset to costs incurred for a fixed-price, best-efforts research and development cost-sharing arrangement with the Federal Government.
Fact ResearchAndDevelopmentArrangementWithFederalGovernmentCustomerFundingToOffsetCostsIncurred
Frame CY2019Q2I
Label Research and Development Arrangement with Federal Government, Customer Funding to Offset Costs Incurred
Start 2019-05-01
Taxonomy us-gaap
Unit USD
Val 200,000

Facts up to 2017-02-28

Description Carrying amount as of the balance sheet date of amounts due under the terms of governmental, corporate, or foundation grants.
Fact GrantsReceivable
Frame CY2017Q1I
Label Grants Receivable
Taxonomy us-gaap
Unit USD
Val 12,200,000

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

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