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U.S. Securities and Exchange Commission's Electronic Data Gathering, Analysis, and Retrieval system Sec11 Mar 2021 U.S. Securities and Exchange Commission's Electronic Data Gathering, Analysis, and Retrieval system, United States

Text

Entity

entityName Galera Therapeutics, Inc.
Cik 1563577
Form 10-K
Filed 2021-03-11
Fp FY
Fy 2020
Accn 0001564590-21-012244

Facts up to 2021-03-05

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 CY2021Q1I
Label Entity Common Stock, Shares Outstanding
Taxonomy dei
Unit shares
Val 24,976,142

Facts up to 2020-12-31

  1. Description Amount of cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage. Excludes amount for disposal group and discontinued operations. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.
    Fact CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
    Label Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents
    Taxonomy us-gaap
    Unit USD
    Val 15,872,000
  2. Description Amount of discretionary contributions made by an employer to a defined contribution plan.
    Fact DefinedContributionPlanEmployerDiscretionaryContributionAmount
    Label Defined Contribution Plan, Employer Discretionary Contribution Amount
    Start 2020-01-01
    Taxonomy us-gaap
    Unit USD
    Val 200,000
  3. 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 2020-01-01
    Taxonomy us-gaap
    Unit USD
    Val -16,000
  4. 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 5,153,000
  5. 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 368,000
  6. Description Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use.
    Fact OperatingLeasePayments
    Label Operating Lease, Payments
    Start 2020-01-01
    Taxonomy us-gaap
    Unit USD
    Val 445,000
  7. Description Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.
    Fact Goodwill
    Label Goodwill
    Taxonomy us-gaap
    Unit USD
    Val 881,000
  8. Description Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability.
    Fact OperatingLeaseCost
    Label Operating Lease, Cost
    Start 2020-01-01
    Taxonomy us-gaap
    Unit USD
    Val 297,000
  9. Description Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated.
    Fact ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice
    Label Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price
    Start 2020-01-01
    Taxonomy us-gaap
    Unit USD/shares
    Val 11.59
  10. 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 534,000
  11. Description Value received from shareholders in common stock-related transactions that are in excess of par value or stated value and amounts received from other stock-related transactions. Includes only common stock transactions (excludes preferred stock transactions). May be called contributed capital, capital in excess of par, capital surplus, or paid-in capital.
    Fact AdditionalPaidInCapitalCommonStock
    Label Additional Paid in Capital, Common Stock
    Taxonomy us-gaap
    Unit USD
    Val 241,649,000
  12. 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 2020-01-01
    Taxonomy us-gaap
    Unit USD
    Val 20,506,000
  13. Description Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations.
    Fact DeferredIncomeTaxExpenseBenefit
    Label Deferred Income Tax Expense (Benefit)
    Start 2020-01-01
    Taxonomy us-gaap
    Unit USD
    Val -16,000
  14. Description The amount of net income or loss for the period per each share in instances when basic and diluted earnings per share are the same amount and reported as a single line item on the face of the financial statements. Basic earnings per share is the amount of net income or loss for the period per each share of common stock or unit outstanding during the reporting period. Diluted earnings per share includes the amount of net income or 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 EarningsPerShareBasicAndDiluted
    Label Earnings Per Share, Basic and Diluted
    Start 2020-01-01
    Taxonomy us-gaap
    Unit USD/shares
    Val -2.98
  15. Description Represents the quantification of the effect of changes in the valuation technique and related inputs, during the period, used to measure the liability at fair value as of the statement of financial position reporting date.
    Fact FairValueLiabilitiesMeasuredOnRecurringBasisDebtInstrumentValuationTechniquesChangeInTechniqueQuantificationOfEffect
    Label Fair Value, Debt Instrument, Valuation Techniques, Change in Technique, Quantification of Effect
    Start 2020-01-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  16. 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 2020-01-01
    Taxonomy us-gaap
    Unit USD
    Val -73,007,000
  17. Description Weighted average price at which option holders acquired shares when converting their stock options into shares.
    Fact ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice
    Label Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price
    Start 2020-01-01
    Taxonomy us-gaap
    Unit USD/shares
    Val 3.07
  18. Description Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities; of income (loss) available to common shareholders.
    Fact NetIncomeLossAvailableToCommonStockholdersBasic
    Frame CY2020
    Label Net Income (Loss) Available to Common Stockholders, Basic
    Start 2020-01-01
    Taxonomy us-gaap
    Unit USD
    Val -74,218,000
  19. Description Percentage 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 applicable to statutory income tax expense (benefit) outside of the country of domicile.
    Fact EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential
    Label Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Percent
    Start 2020-01-01
    Taxonomy us-gaap
    Unit pure
    Val 0.00
  20. Description Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from in-process research and development costs expensed in connection with a business combination.
    Fact DeferredTaxAssetsInProcessResearchAndDevelopment
    Label Deferred Tax Assets, in Process Research and Development
    Taxonomy us-gaap
    Unit USD
    Val 7,477,000
  21. 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 2020-01-01
    Taxonomy us-gaap
    Unit USD
    Val 457,000
  22. 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 2020-01-01
    Taxonomy us-gaap
    Unit USD
    Val -74,218,000
  23. 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 2020-01-01
    Taxonomy us-gaap
    Unit USD
    Val -74,244,000
  24. Description Gross number of share options (or share units) granted during the period.
    Fact ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
    Label Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross
    Start 2020-01-01
    Taxonomy us-gaap
    Unit shares
    Val 1,238,573
  25. Description Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.
    Fact FiniteLivedIntangibleAssetsNet
    Label Finite-Lived Intangible Assets, Net
    Taxonomy us-gaap
    Unit USD
    Val 2,258,000
  26. 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 1,023,000
  27. Description The estimated measure of the percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period.
    Fact ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate
    Label Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate
    Start 2020-01-01
    Taxonomy us-gaap
    Unit pure
    Val 0.90
  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 0.00
  29. Description Average number of shares or units issued and outstanding that are used in calculating basic and diluted earnings per share (EPS).
    Fact WeightedAverageNumberOfShareOutstandingBasicAndDiluted
    Label Weighted Average Number of Shares Outstanding, Basic and Diluted
    Start 2020-01-01
    Taxonomy us-gaap
    Unit shares
    Val 24,869,770
  30. Description Amount of noncurrent assets classified as other.
    Fact OtherAssetsNoncurrent
    Label Other Assets, Noncurrent
    Taxonomy us-gaap
    Unit USD
    Val 1,477,000
  31. 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 17,800,000
  32. Description Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences without jurisdictional netting.
    Fact DeferredTaxLiabilities
    Label Deferred Tax Liabilities, Net
    Taxonomy us-gaap
    Unit USD
    Val 273,000
  33. 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
  34. 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 CY2020Q4I
    Label Lessee, Operating Lease, Liability, to be Paid, Year One
    Taxonomy us-gaap
    Unit USD
    Val 259,000
  35. Description Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.
    Fact AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
    Label Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount
    Start 2020-01-01
    Taxonomy us-gaap
    Unit shares
    Val 5,013,739
  36. 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 2020-01-01
    Taxonomy us-gaap
    Unit USD
    Val -74,234,000
  37. Description Amount of liabilities classified as other.
    Fact OtherLiabilities
    Label Other Liabilities
    Taxonomy us-gaap
    Unit USD
    Val 74,000
  38. 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
  39. Description Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.
    Fact AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
    Label Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment
    Taxonomy us-gaap
    Unit USD
    Val 809,000
  40. Description Carrying value as of the balance sheet date of obligations, excluding pension and other postretirement benefits, incurred through that date and payable for perquisites provided to employees pertaining to services received from them. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).
    Fact AccruedEmployeeBenefitsCurrent
    Label Accrued Employee Benefits, Current
    Taxonomy us-gaap
    Unit USD
    Val 2,632,000
  41. 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 2020-01-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  42. Description The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.
    Fact ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber
    Frame CY2020Q4I
    Label Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number
    Taxonomy us-gaap
    Unit shares
    Val 2,599,488
  43. Description The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term.
    Fact ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate
    Label Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate
    Start 2020-01-01
    Taxonomy us-gaap
    Unit pure
    Val 0
  44. Description Amount of increase to additional paid-in capital (APIC) for recognition of cost for award under share-based payment arrangement.
    Fact AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
    Label APIC, Share-based Payment Arrangement, Increase for Cost Recognition
    Start 2020-01-01
    Taxonomy us-gaap
    Unit USD
    Val 5,536,000
  45. 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 84,098,000
  46. 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 7.4
  47. Description Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.
    Fact AllocatedShareBasedCompensationExpense
    Label Share-based Payment Arrangement, Expense
    Start 2020-01-01
    Taxonomy us-gaap
    Unit USD
    Val 5,536,000
  48. Description Amount of deferred tax liability attributable to taxable temporary differences from research and development costs.
    Fact DeferredTaxLiabilitiesDeferredExpenseCapitalizedResearchAndDevelopmentCosts
    Label Deferred Tax Liabilities, Deferred Expense, Capitalized Research and Development Costs
    Taxonomy us-gaap
    Unit USD
    Val 653,000
  49. 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 -235,568,000
  50. 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 CY2020Q4I
    Label Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number
    Taxonomy us-gaap
    Unit shares
    Val 4,463,078
  51. 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 48,309,000
  52. Description Percentage of domestic federal statutory tax rate applicable to pretax income (loss).
    Fact EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
    Label Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent
    Start 2020-01-01
    Taxonomy us-gaap
    Unit pure
    Val 0.21
  53. Description The aggregate total of expenses of managing and administering the affairs of an entity, including affiliates of the reporting entity, which are not directly or indirectly associated with the manufacture, sale or creation of a product or product line.
    Fact GeneralAndAdministrativeExpense
    Label General and Administrative Expense
    Start 2020-01-01
    Taxonomy us-gaap
    Unit USD
    Val 15,708,000
  54. Description The cash inflow from sales of all investments, including securities and other assets, having ready marketability and intended by management to be liquidated, if necessary, within the current operating cycle. Includes cash flows from securities classified as trading securities that were acquired for reasons other than sale in the short-term.
    Fact ProceedsFromSaleOfShortTermInvestments
    Label Proceeds from Sale of Short-term Investments
    Start 2020-01-01
    Taxonomy us-gaap
    Unit USD
    Val 104,750,000
  55. Description Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.
    Fact DeferredTaxAssetsNet
    Label Deferred Tax Assets, Net of Valuation Allowance
    Taxonomy us-gaap
    Unit USD
    Val 1,183,000
  56. Description Amount before tax of foreign currency transaction realized and unrealized gain (loss) recognized in the income statement.
    Fact ForeignCurrencyTransactionGainLossBeforeTax
    Label Foreign Currency Transaction Gain (Loss), before Tax
    Start 2020-01-01
    Taxonomy us-gaap
    Unit USD
    Val 25,000
  57. 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 2020-01-01
    Taxonomy us-gaap
    Unit USD
    Val -26,000
  58. Description Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations.
    Fact CurrentFederalTaxExpenseBenefit
    Label Current Federal Tax Expense (Benefit)
    Start 2020-01-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  59. Description The amount the entity has committed to make for future royalty guarantees.
    Fact RoyaltyGuaranteesCommitmentsAmount
    Label Royalty Guarantees, Commitments, Amount
    Taxonomy us-gaap
    Unit USD
    Val 63,369,000
  60. Description Amount of increase (decrease) in noncurrent assets classified as other.
    Fact IncreaseDecreaseInOtherNoncurrentAssets
    Label Increase (Decrease) in Other Noncurrent Assets
    Start 2020-01-01
    Taxonomy us-gaap
    Unit USD
    Val 274,000
  61. 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 2020-01-01
    Taxonomy us-gaap
    Unit USD
    Val 36,547,000
  62. Description The increase (decrease) during the reporting period in the aggregate amount of expenses incurred but not yet paid.
    Fact IncreaseDecreaseInAccruedLiabilities
    Label Increase (Decrease) in Accrued Liabilities
    Start 2020-01-01
    Taxonomy us-gaap
    Unit USD
    Val 2,859,000
  63. 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 2020-01-01
    Taxonomy us-gaap
    Unit USD
    Val -127,000
  64. 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 2020-01-01
    Taxonomy us-gaap
    Unit USD
    Val 506,000
  65. 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 10,000,000
  66. Description Amount of deferred tax liability attributable to taxable temporary differences from derivatives.
    Fact DeferredTaxLiabilitiesDerivatives
    Label Deferred Tax Liabilities, Derivatives
    Taxonomy us-gaap
    Unit USD
    Val 273,000
  67. Description Aggregate share number for all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by stockholders. Does not include preferred shares that have been repurchased.
    Fact PreferredStockSharesOutstanding
    Label Preferred Stock, Shares Outstanding
    Taxonomy us-gaap
    Unit shares
    Val 0
  68. Description Amount of the cost of borrowed funds accounted for as interest expense.
    Fact InterestExpense
    Label Interest Expense
    Start 2020-01-01
    Taxonomy us-gaap
    Unit USD
    Val 4,880,000
  69. 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 15,872,000
  70. Description Amount of noncash expense for share-based payment arrangement.
    Fact ShareBasedCompensation
    Label Share-based Payment Arrangement, Noncash Expense
    Start 2020-01-01
    Taxonomy us-gaap
    Unit USD
    Val 5,536,000
  71. Description Amount of cost to be recognized for option under share-based payment arrangement.
    Fact EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions
    Frame CY2020Q4I
    Label Share-based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount
    Taxonomy us-gaap
    Unit USD
    Val 15,100,000
  72. 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 40,324,000
  73. 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 0
  74. Description Percentage 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 changes in the income tax rates.
    Fact EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate
    Label Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Percent
    Start 2020-01-01
    Taxonomy us-gaap
    Unit pure
    Val 0.00
  75. 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 49,492,000
  76. Description Amount of current foreign income tax expense (benefit) pertaining to income (loss) from continuing operations.
    Fact CurrentForeignTaxExpenseBenefit
    Label Current Foreign Tax Expense (Benefit)
    Start 2020-01-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  77. 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 24,976,142
  78. Description The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.
    Fact ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
    Label Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value
    Start 2020-01-01
    Taxonomy us-gaap
    Unit USD/shares
    Val 10.19
  79. Description The aggregate costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use.
    Fact ResearchAndDevelopmentExpense
    Label Research and Development Expense
    Start 2020-01-01
    Taxonomy us-gaap
    Unit USD
    Val 54,845,000
  80. 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 77,980,000
  81. 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 1,832,000
  82. Description Number of share options (or share units) exercised during the current period.
    Fact StockIssuedDuringPeriodSharesStockOptionsExercised
    Label Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period
    Start 2020-01-01
    Taxonomy us-gaap
    Unit shares
    Val 164,575
  83. Description Amount of long-term debt and lease obligation, classified as current.
    Fact LongTermDebtAndCapitalLeaseObligationsCurrent
    Label Long-term Debt and Lease Obligation, Current
    Taxonomy us-gaap
    Unit USD
    Val 238,000
  84. 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 84,098,000
  85. Description The cash outflow for securities or other assets acquired, which qualify for treatment as an investing activity and are to be liquidated, if necessary, within the current operating cycle. Includes cash flows from securities classified as trading securities that were acquired for reasons other than sale in the short-term.
    Fact PaymentsToAcquireShortTermInvestments
    Label Payments to Acquire Short-term Investments
    Start 2020-01-01
    Taxonomy us-gaap
    Unit USD
    Val 67,746,000
  86. Description The net result for the period of deducting operating expenses from operating revenues.
    Fact OperatingIncomeLoss
    Label Operating Income (Loss)
    Start 2020-01-01
    Taxonomy us-gaap
    Unit USD
    Val -70,553,000
  87. Description Amount of lessee's undiscounted obligation for lease payments in excess of discounted obligation for lease payments for operating lease.
    Fact LesseeOperatingLeaseLiabilityUndiscountedExcessAmount
    Frame CY2020Q4I
    Label Lessee, Operating Lease, Liability, Undiscounted Excess Amount
    Taxonomy us-gaap
    Unit USD
    Val 29,000
  88. Description The risk-free interest rate assumption that is used in valuing an option on its own shares.
    Fact ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate
    Label Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate
    Start 2020-01-01
    Taxonomy us-gaap
    Unit pure
    Val 0.01
  89. 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
    Label Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period
    Start 2020-01-01
    Taxonomy us-gaap
    Unit shares
    Val 148,866
  90. 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 5,146,000
  91. 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 2020-01-01
    Taxonomy us-gaap
    Unit USD
    Val -74,218,000
  92. Description Percentage of difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operation, attributable to nondeductible expense for share-based payment arrangement.
    Fact EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost
    Label Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-based Payment Arrangement, Percent
    Start 2020-01-01
    Taxonomy us-gaap
    Unit pure
    Val -0.00
  93. Description Amount before accretion (amortization) of purchase discount (premium) of interest income on nonoperating securities.
    Fact InvestmentIncomeInterest
    Label Investment Income, Interest
    Start 2020-01-01
    Taxonomy us-gaap
    Unit USD
    Val 1,174,000
  94. Description Amount of operating lease expense. Excludes sublease income.
    Fact OperatingLeaseExpense
    Label Operating Lease, Expense
    Start 2020-01-01
    Taxonomy us-gaap
    Unit USD
    Val 262,000
  95. Description Interest paid other than in cash for example by issuing additional debt securities. As a noncash item, it is added to net income when calculating cash provided by or used in operations using the indirect method.
    Fact PaidInKindInterest
    Label Paid-in-Kind Interest
    Start 2020-01-01
    Taxonomy us-gaap
    Unit USD
    Val 4,880,000
  96. 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 CY2020Q4I
    Label Lessee, Operating Lease, Liability, to be Paid, Year Two
    Taxonomy us-gaap
    Unit USD
    Val 260,000
  97. 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 1,593,000
  98. 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 2020-01-01
    Taxonomy us-gaap
    Unit USD
    Val -2,484,000
  99. 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 8,584,000
  100. 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 6,118,000
  101. 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 4,463,078
  102. 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 530,000
  103. 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 CY2020Q4I
    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 7.4
  104. 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 13,968,000
  105. Description The increase (decrease) during the reporting period in the aggregate amount 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.
    Fact IncreaseDecreaseInAccountsPayable
    Label Increase (Decrease) in Accounts Payable
    Start 2020-01-01
    Taxonomy us-gaap
    Unit USD
    Val 1,201,000
  106. 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 2020-01-01
    Taxonomy us-gaap
    Unit USD
    Val -16,000
  107. 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 25,000
  108. Description Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to research and development expense.
    Fact EffectiveIncomeTaxRateReconciliationNondeductibleExpenseResearchAndDevelopment
    Label Effective Income Tax Rate Reconciliation, Nondeductible Expense, Research and Development, Percent
    Start 2020-01-01
    Taxonomy us-gaap
    Unit pure
    Val 0.03
  109. Description Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.
    Fact SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1
    Frame CY2020Q4I
    Label Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value
    Taxonomy us-gaap
    Unit USD
    Val 16,000,000
  110. 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 2020-01-01
    Taxonomy us-gaap
    Unit USD
    Val -59,537,000
  111. Description Percentage 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 changes in the valuation allowance for deferred tax assets.
    Fact EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance
    Label Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent
    Start 2020-01-01
    Taxonomy us-gaap
    Unit pure
    Val -0.22
  112. 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 12,000
  113. 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 24,811,567
  114. Description The amount of estimated penalties and interest accrued as of the balance sheet date arising from income tax examinations.
    Fact IncomeTaxExaminationPenaltiesAndInterestAccrued
    Frame CY2020Q4I
    Label Income Tax Examination, Penalties and Interest Accrued
    Taxonomy us-gaap
    Unit USD
    Val 0
  115. Description Amount of deferred foreign income tax expense (benefit) pertaining to income (loss) from continuing operations.
    Fact DeferredForeignIncomeTaxExpenseBenefit
    Label Deferred Foreign Income Tax Expense (Benefit)
    Start 2020-01-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  116. Description Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.
    Fact ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice
    Label Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price
    Start 2020-01-01
    Taxonomy us-gaap
    Unit USD/shares
    Val 13.68
  117. Description Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.
    Fact GoodwillImpairmentLoss
    Label Goodwill, Impairment Loss
    Start 2020-01-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  118. 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 77,929,000
  119. 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 296,000
  120. 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 2020-01-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  121. Description Percentage 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 applicable to state and local income tax expense (benefit), net of federal tax expense (benefit).
    Fact EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes
    Label Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent
    Start 2020-01-01
    Taxonomy us-gaap
    Unit pure
    Val 0.05
  122. 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 CY2020Q4I
    Label Lessee, Operating Lease, Liability, to be Paid, Year Three
    Taxonomy us-gaap
    Unit USD
    Val 44,000
  123. Description Amount of lessee's undiscounted obligation for lease payment for operating lease.
    Fact LesseeOperatingLeaseLiabilityPaymentsDue
    Frame CY2020Q4I
    Label Lessee, Operating Lease, Liability, to be Paid
    Taxonomy us-gaap
    Unit USD
    Val 563,000
  124. Description Amount of investments including trading securities, available-for-sale securities, held-to-maturity securities, and short-term investments classified as other and current.
    Fact ShortTermInvestments
    Label Short-term Investments
    Taxonomy us-gaap
    Unit USD
    Val 56,904,000
  125. Description The portion of earnings or loss from continuing operations before income taxes that is attributable to foreign operations, which is defined as Income or Loss generated from operations located outside the entity's country of domicile.
    Fact IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign
    Label Income (Loss) from Continuing Operations before Income Taxes, Foreign
    Start 2020-01-01
    Taxonomy us-gaap
    Unit USD
    Val -1,227,000
  126. Description Number of pending claims pertaining to a loss contingency.
    Fact LossContingencyPendingClaimsNumber
    Frame CY2020Q4I
    Label Loss Contingency, Pending Claims, Number
    Taxonomy us-gaap
    Unit Claim
    Val 0
  127. Description Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan.
    Fact DefinedContributionPlanEmployerMatchingContributionPercent
    Frame CY2020
    Label Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay
    Start 2020-01-01
    Taxonomy us-gaap
    Unit pure
    Val 1
  128. 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 200,000,000
  129. Description The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.
    Fact ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice
    Frame CY2020Q4I
    Label Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price
    Taxonomy us-gaap
    Unit USD/shares
    Val 4.49
  130. Description Amount of cash inflow from exercise of option under share-based payment arrangement.
    Fact ProceedsFromStockOptionsExercised
    Label Proceeds from Stock Options Exercised
    Start 2020-01-01
    Taxonomy us-gaap
    Unit USD
    Val 506,000

Facts up to 2020-06-30

Description The aggregate market value of the voting and non-voting common equity held by non-affiliates computed by reference to the price at which the common equity was last sold, or the average bid and asked price of such common equity, as of the last business day of the registrant's most recently completed second fiscal quarter.
Fact EntityPublicFloat
Frame CY2020Q2I
Label Entity Public Float
Taxonomy dei
Unit USD
Val 111,600,000

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
    Label Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents
    Taxonomy us-gaap
    Unit USD
    Val 18,356,000
  2. Description Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.
    Fact IncomeTaxExpenseBenefit
    Frame CY2019
    Label Income Tax Expense (Benefit)
    Start 2019-01-01
    Taxonomy us-gaap
    Unit USD
    Val -9,000
  3. 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 CY2019Q4I
    Label Prepaid Expense and Other Assets, Current
    Taxonomy us-gaap
    Unit USD
    Val 5,280,000
  4. 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 CY2019
    Label Depreciation
    Start 2019-01-01
    Taxonomy us-gaap
    Unit USD
    Val 267,000
  5. Description Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use.
    Fact OperatingLeasePayments
    Frame CY2019
    Label Operating Lease, Payments
    Start 2019-01-01
    Taxonomy us-gaap
    Unit USD
    Val 437,000
  6. Description Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.
    Fact Goodwill
    Frame CY2019Q4I
    Label Goodwill
    Taxonomy us-gaap
    Unit USD
    Val 881,000
  7. Description Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability.
    Fact OperatingLeaseCost
    Frame CY2019
    Label Operating Lease, Cost
    Start 2019-01-01
    Taxonomy us-gaap
    Unit USD
    Val 315,000
  8. Description Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated.
    Fact ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice
    Frame CY2019
    Label Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price
    Start 2019-01-01
    Taxonomy us-gaap
    Unit USD/shares
    Val 4.5
  9. Description Present value of lessee's discounted obligation for lease payments from operating lease.
    Fact OperatingLeaseLiability
    Frame CY2019Q4I
    Label Operating Lease, Liability
    Taxonomy us-gaap
    Unit USD
    Val 831,000
  10. Description Value received from shareholders in common stock-related transactions that are in excess of par value or stated value and amounts received from other stock-related transactions. Includes only common stock transactions (excludes preferred stock transactions). May be called contributed capital, capital in excess of par, capital surplus, or paid-in capital.
    Fact AdditionalPaidInCapitalCommonStock
    Frame CY2019Q4I
    Label Additional Paid in Capital, Common Stock
    Taxonomy us-gaap
    Unit USD
    Val 230,895,000
  11. 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 CY2019
    Label Net Cash Provided by (Used in) Financing Activities
    Start 2019-01-01
    Taxonomy us-gaap
    Unit USD
    Val 78,031,000
  12. Description Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations.
    Fact DeferredIncomeTaxExpenseBenefit
    Frame CY2019
    Label Deferred Income Tax Expense (Benefit)
    Start 2019-01-01
    Taxonomy us-gaap
    Unit USD
    Val -9,000
  13. Description The amount of net income or loss for the period per each share in instances when basic and diluted earnings per share are the same amount and reported as a single line item on the face of the financial statements. Basic earnings per share is the amount of net income or loss for the period per each share of common stock or unit outstanding during the reporting period. Diluted earnings per share includes the amount of net income or 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 EarningsPerShareBasicAndDiluted
    Frame CY2019
    Label Earnings Per Share, Basic and Diluted
    Start 2019-01-01
    Taxonomy us-gaap
    Unit USD/shares
    Val -16.31
  14. Description Represents the quantification of the effect of changes in the valuation technique and related inputs, during the period, used to measure the liability at fair value as of the statement of financial position reporting date.
    Fact FairValueLiabilitiesMeasuredOnRecurringBasisDebtInstrumentValuationTechniquesChangeInTechniqueQuantificationOfEffect
    Frame CY2019
    Label Fair Value, Debt Instrument, Valuation Techniques, Change in Technique, Quantification of Effect
    Start 2019-01-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  15. Description The portion of earnings or loss from continuing operations before income taxes that is attributable to domestic operations.
    Fact IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic
    Frame CY2019
    Label Income (Loss) from Continuing Operations before Income Taxes, Domestic
    Start 2019-01-01
    Taxonomy us-gaap
    Unit USD
    Val -49,918,000
  16. Description Weighted average price at which option holders acquired shares when converting their stock options into shares.
    Fact ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice
    Frame CY2019
    Label Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price
    Start 2019-01-01
    Taxonomy us-gaap
    Unit USD/shares
    Val 2.6
  17. Description Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities; of income (loss) available to common shareholders.
    Fact NetIncomeLossAvailableToCommonStockholdersBasic
    Frame CY2019
    Label Net Income (Loss) Available to Common Stockholders, Basic
    Start 2019-01-01
    Taxonomy us-gaap
    Unit USD
    Val -59,106,000
  18. Description Percentage 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 applicable to statutory income tax expense (benefit) outside of the country of domicile.
    Fact EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential
    Frame CY2019
    Label Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Percent
    Start 2019-01-01
    Taxonomy us-gaap
    Unit pure
    Val 0.00
  19. Description Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from in-process research and development costs expensed in connection with a business combination.
    Fact DeferredTaxAssetsInProcessResearchAndDevelopment
    Frame CY2019Q4I
    Label Deferred Tax Assets, in Process Research and Development
    Taxonomy us-gaap
    Unit USD
    Val 5,073,000
  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 CY2019
    Label Payments to Acquire Property, Plant, and Equipment
    Start 2019-01-01
    Taxonomy us-gaap
    Unit USD
    Val 633,000
  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 CY2019
    Label Net Income (Loss), Including Portion Attributable to Noncontrolling Interest
    Start 2019-01-01
    Taxonomy us-gaap
    Unit USD
    Val -51,930,000
  22. Description "The value of the stock converted in a noncash (or part noncash) transaction. Noncash is defined as transactions during a period that do not result in cash receipts or cash payments in the period. ""Part noncash"" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period."
    Fact ConversionOfStockAmountConverted1
    Frame CY2019
    Label Conversion of Stock, Amount Converted
    Start 2019-01-01
    Taxonomy us-gaap
    Unit USD
    Val 173,080,000
  23. 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 CY2019
    Label Comprehensive Income (Loss), Net of Tax, Attributable to Parent
    Start 2019-01-01
    Taxonomy us-gaap
    Unit USD
    Val -51,895,000
  24. Description Gross number of share options (or share units) granted during the period.
    Fact ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
    Frame CY2019
    Label Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross
    Start 2019-01-01
    Taxonomy us-gaap
    Unit shares
    Val 1,646,054
  25. Description Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.
    Fact FiniteLivedIntangibleAssetsNet
    Frame CY2019Q4I
    Label Finite-Lived Intangible Assets, Net
    Taxonomy us-gaap
    Unit USD
    Val 2,258,000
  26. 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 CY2019Q4I
    Label Property, Plant and Equipment, Net
    Taxonomy us-gaap
    Unit USD
    Val 934,000
  27. Description The estimated measure of the percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period.
    Fact ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate
    Frame CY2019
    Label Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate
    Start 2019-01-01
    Taxonomy us-gaap
    Unit pure
    Val 0.90
  28. Description Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer.
    Fact PreferredStockParOrStatedValuePerShare
    Frame CY2019Q4I
    Label Preferred Stock, Par or Stated Value Per Share
    Taxonomy us-gaap
    Unit USD/shares
    Val 0.00
  29. Description Average number of shares or units issued and outstanding that are used in calculating basic and diluted earnings per share (EPS).
    Fact WeightedAverageNumberOfShareOutstandingBasicAndDiluted
    Frame CY2019
    Label Weighted Average Number of Shares Outstanding, Basic and Diluted
    Start 2019-01-01
    Taxonomy us-gaap
    Unit shares
    Val 3,625,005
  30. Description Amount of noncurrent assets classified as other.
    Fact OtherAssetsNoncurrent
    Frame CY2019Q4I
    Label Other Assets, Noncurrent
    Taxonomy us-gaap
    Unit USD
    Val 918,000
  31. Description Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences without jurisdictional netting.
    Fact DeferredTaxLiabilities
    Frame CY2019Q4I
    Label Deferred Tax Liabilities, Net
    Taxonomy us-gaap
    Unit USD
    Val 289,000
  32. Description Amount of deferred federal income tax expense (benefit) pertaining to income (loss) from continuing operations.
    Fact DeferredFederalIncomeTaxExpenseBenefit
    Frame CY2019
    Label Deferred Federal Income Tax Expense (Benefit)
    Start 2019-01-01
    Taxonomy us-gaap
    Unit USD
    Val 194,000
  33. Description Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.
    Fact AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
    Frame CY2019
    Label Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount
    Start 2019-01-01
    Taxonomy us-gaap
    Unit shares
    Val 3,537,946
  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 CY2019
    Label Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest
    Start 2019-01-01
    Taxonomy us-gaap
    Unit USD
    Val -51,939,000
  35. Description Face amount or stated value per share of common stock.
    Fact CommonStockParOrStatedValuePerShare
    Frame CY2019Q4I
    Label Common Stock, Par or Stated Value Per Share
    Taxonomy us-gaap
    Unit USD/shares
    Val 0.00
  36. Description Amount of increase in right-of-use asset obtained in exchange for operating lease liability.
    Fact RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability
    Frame CY2019
    Label Right-of-Use Asset Obtained in Exchange for Operating Lease Liability
    Start 2019-01-01
    Taxonomy us-gaap
    Unit USD
    Val 1,084,000
  37. 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 CY2019Q4I
    Label Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment
    Taxonomy us-gaap
    Unit USD
    Val 441,000
  38. Description Carrying value as of the balance sheet date of obligations, excluding pension and other postretirement benefits, incurred through that date and payable for perquisites provided to employees pertaining to services received from them. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).
    Fact AccruedEmployeeBenefitsCurrent
    Frame CY2019Q4I
    Label Accrued Employee Benefits, Current
    Taxonomy us-gaap
    Unit USD
    Val 1,160,000
  39. Description Amount of current income tax expense (benefit) pertaining to taxable income (loss) from continuing operations.
    Fact CurrentIncomeTaxExpenseBenefit
    Frame CY2019
    Label Current Income Tax Expense (Benefit)
    Start 2019-01-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  40. Description The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term.
    Fact ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate
    Frame CY2019
    Label Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate
    Start 2019-01-01
    Taxonomy us-gaap
    Unit pure
    Val 0
  41. Description Amount of increase to additional paid-in capital (APIC) for recognition of cost for award under share-based payment arrangement.
    Fact AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
    Frame CY2019
    Label APIC, Share-based Payment Arrangement, Increase for Cost Recognition
    Start 2019-01-01
    Taxonomy us-gaap
    Unit USD
    Val 2,390,000
  42. Description Amount of liabilities and equity items, including the portion of equity attributable to noncontrolling interests, if any.
    Fact LiabilitiesAndStockholdersEquity
    Frame CY2019Q4I
    Label Liabilities and Equity
    Taxonomy us-gaap
    Unit USD
    Val 123,376,000
  43. 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 5.17
  44. Description Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.
    Fact AllocatedShareBasedCompensationExpense
    Frame CY2019
    Label Share-based Payment Arrangement, Expense
    Start 2019-01-01
    Taxonomy us-gaap
    Unit USD
    Val 2,390,000
  45. Description Amount of deferred tax liability attributable to taxable temporary differences from research and development costs.
    Fact DeferredTaxLiabilitiesDeferredExpenseCapitalizedResearchAndDevelopmentCosts
    Frame CY2019Q4I
    Label Deferred Tax Liabilities, Deferred Expense, Capitalized Research and Development Costs
    Taxonomy us-gaap
    Unit USD
    Val 668,000
  46. Description The cumulative amount of the reporting entity's undistributed earnings or deficit.
    Fact RetainedEarningsAccumulatedDeficit
    Frame CY2019Q4I
    Label Retained Earnings (Accumulated Deficit)
    Taxonomy us-gaap
    Unit USD
    Val -161,350,000
  47. 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 CY2019Q4I
    Label Deferred Tax Assets, Valuation Allowance
    Taxonomy us-gaap
    Unit USD
    Val 32,062,000
  48. Description Percentage of domestic federal statutory tax rate applicable to pretax income (loss).
    Fact EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
    Frame CY2019
    Label Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent
    Start 2019-01-01
    Taxonomy us-gaap
    Unit pure
    Val 0.21
  49. Description The aggregate total of expenses of managing and administering the affairs of an entity, including affiliates of the reporting entity, which are not directly or indirectly associated with the manufacture, sale or creation of a product or product line.
    Fact GeneralAndAdministrativeExpense
    Frame CY2019
    Label General and Administrative Expense
    Start 2019-01-01
    Taxonomy us-gaap
    Unit USD
    Val 8,358,000
  50. Description The cash inflow from sales of all investments, including securities and other assets, having ready marketability and intended by management to be liquidated, if necessary, within the current operating cycle. Includes cash flows from securities classified as trading securities that were acquired for reasons other than sale in the short-term.
    Fact ProceedsFromSaleOfShortTermInvestments
    Frame CY2019
    Label Proceeds from Sale of Short-term Investments
    Start 2019-01-01
    Taxonomy us-gaap
    Unit USD
    Val 96,000,000
  51. Description Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.
    Fact DeferredTaxAssetsNet
    Frame CY2019Q4I
    Label Deferred Tax Assets, Net of Valuation Allowance
    Taxonomy us-gaap
    Unit USD
    Val 992,000
  52. Description Amount before tax of foreign currency transaction realized and unrealized gain (loss) recognized in the income statement.
    Fact ForeignCurrencyTransactionGainLossBeforeTax
    Frame CY2019
    Label Foreign Currency Transaction Gain (Loss), before Tax
    Start 2019-01-01
    Taxonomy us-gaap
    Unit USD
    Val -40,000
  53. 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 CY2019
    Label OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, after Tax
    Start 2019-01-01
    Taxonomy us-gaap
    Unit USD
    Val 35,000
  54. Description Amount of decrease to net income for accretion of temporary equity to its redemption value to derive net income apportioned to common stockholders.
    Fact TemporaryEquityAccretionToRedemptionValueAdjustment
    Frame CY2019
    Label Temporary Equity, Accretion to Redemption Value, Adjustment
    Start 2019-01-01
    Taxonomy us-gaap
    Unit USD
    Val 7,176,000
  55. Description Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations.
    Fact CurrentFederalTaxExpenseBenefit
    Frame CY2019
    Label Current Federal Tax Expense (Benefit)
    Start 2019-01-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  56. Description The amount the entity has committed to make for future royalty guarantees.
    Fact RoyaltyGuaranteesCommitmentsAmount
    Frame CY2019Q4I
    Label Royalty Guarantees, Commitments, Amount
    Taxonomy us-gaap
    Unit USD
    Val 43,251,000
  57. Description Amount of increase (decrease) in noncurrent assets classified as other.
    Fact IncreaseDecreaseInOtherNoncurrentAssets
    Frame CY2019
    Label Increase (Decrease) in Other Noncurrent Assets
    Start 2019-01-01
    Taxonomy us-gaap
    Unit USD
    Val 421,000
  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 CY2019
    Label Net Cash Provided by (Used in) Investing Activities
    Start 2019-01-01
    Taxonomy us-gaap
    Unit USD
    Val -27,825,000
  59. Description The increase (decrease) during the reporting period in the aggregate amount of expenses incurred but not yet paid.
    Fact IncreaseDecreaseInAccruedLiabilities
    Frame CY2019
    Label Increase (Decrease) in Accrued Liabilities
    Start 2019-01-01
    Taxonomy us-gaap
    Unit USD
    Val 2,875,000
  60. Description Amount of increase (decrease) in prepaid expenses, and assets classified as other.
    Fact IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets
    Frame CY2019
    Label Increase (Decrease) in Prepaid Expense and Other Assets
    Start 2019-01-01
    Taxonomy us-gaap
    Unit USD
    Val 3,815,000
  61. Description Value of stock issued as a result of the exercise of stock options.
    Fact StockIssuedDuringPeriodValueStockOptionsExercised
    Frame CY2019
    Label Stock Issued During Period, Value, Stock Options Exercised
    Start 2019-01-01
    Taxonomy us-gaap
    Unit USD
    Val 10,000
  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 CY2019Q4I
    Label Preferred Stock, Shares Authorized
    Taxonomy us-gaap
    Unit shares
    Val 10,000,000
  63. Description Amount of deferred tax liability attributable to taxable temporary differences from derivatives.
    Fact DeferredTaxLiabilitiesDerivatives
    Frame CY2019Q4I
    Label Deferred Tax Liabilities, Derivatives
    Taxonomy us-gaap
    Unit USD
    Val 289,000
  64. 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 CY2019Q4I
    Label Preferred Stock, Shares Outstanding
    Taxonomy us-gaap
    Unit shares
    Val 0
  65. Description Amount of the cost of borrowed funds accounted for as interest expense.
    Fact InterestExpense
    Frame CY2019
    Label Interest Expense
    Start 2019-01-01
    Taxonomy us-gaap
    Unit USD
    Val 3,031,000
  66. 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 CY2019Q4I
    Label Cash and Cash Equivalents, at Carrying Value
    Taxonomy us-gaap
    Unit USD
    Val 18,356,000
  67. Description Amount of noncash expense for share-based payment arrangement.
    Fact ShareBasedCompensation
    Frame CY2019
    Label Share-based Payment Arrangement, Noncash Expense
    Start 2019-01-01
    Taxonomy us-gaap
    Unit USD
    Val 2,390,000
  68. Description Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards.
    Fact DeferredTaxAssetsOperatingLossCarryforwards
    Frame CY2019Q4I
    Label Deferred Tax Assets, Operating Loss Carryforwards
    Taxonomy us-gaap
    Unit USD
    Val 27,470,000
  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 CY2019Q4I
    Label Preferred Stock, Shares Issued
    Taxonomy us-gaap
    Unit shares
    Val 0
  70. Description Percentage 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 changes in the income tax rates.
    Fact EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate
    Frame CY2019
    Label Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Percent
    Start 2019-01-01
    Taxonomy us-gaap
    Unit pure
    Val -0.01
  71. Description Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.
    Fact DeferredTaxAssetsGross
    Frame CY2019Q4I
    Label Deferred Tax Assets, Gross
    Taxonomy us-gaap
    Unit USD
    Val 33,054,000
  72. Description Amount of current foreign income tax expense (benefit) pertaining to income (loss) from continuing operations.
    Fact CurrentForeignTaxExpenseBenefit
    Frame CY2019
    Label Current Foreign Tax Expense (Benefit)
    Start 2019-01-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  73. 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 CY2019Q4I
    Label Common Stock, Shares, Issued
    Taxonomy us-gaap
    Unit shares
    Val 24,976,142
  74. Description The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.
    Fact ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
    Frame CY2019
    Label Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value
    Start 2019-01-01
    Taxonomy us-gaap
    Unit USD/shares
    Val 6.66
  75. 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 CY2019
    Label Research and Development Expense
    Start 2019-01-01
    Taxonomy us-gaap
    Unit USD
    Val 42,333,000
  76. 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 CY2019Q4I
    Label Liabilities
    Taxonomy us-gaap
    Unit USD
    Val 53,768,000
  77. 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 CY2019Q4I
    Label Property, Plant and Equipment, Gross
    Taxonomy us-gaap
    Unit USD
    Val 1,375,000
  78. Description Number of share options (or share units) exercised during the current period.
    Fact StockIssuedDuringPeriodSharesStockOptionsExercised
    Frame CY2019
    Label Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period
    Start 2019-01-01
    Taxonomy us-gaap
    Unit shares
    Val 3,778
  79. Description Amount of long-term debt and lease obligation, classified as current.
    Fact LongTermDebtAndCapitalLeaseObligationsCurrent
    Frame CY2019Q4I
    Label Long-term Debt and Lease Obligation, Current
    Taxonomy us-gaap
    Unit USD
    Val 297,000
  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 CY2019Q4I
    Label Assets
    Taxonomy us-gaap
    Unit USD
    Val 123,376,000
  81. Description The cash outflow for securities or other assets acquired, which qualify for treatment as an investing activity and are to be liquidated, if necessary, within the current operating cycle. Includes cash flows from securities classified as trading securities that were acquired for reasons other than sale in the short-term.
    Fact PaymentsToAcquireShortTermInvestments
    Frame CY2019
    Label Payments to Acquire Short-term Investments
    Start 2019-01-01
    Taxonomy us-gaap
    Unit USD
    Val 123,192,000
  82. Description The net result for the period of deducting operating expenses from operating revenues.
    Fact OperatingIncomeLoss
    Frame CY2019
    Label Operating Income (Loss)
    Start 2019-01-01
    Taxonomy us-gaap
    Unit USD
    Val -50,691,000
  83. Description The risk-free interest rate assumption that is used in valuing an option on its own shares.
    Fact ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate
    Frame CY2019
    Label Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate
    Start 2019-01-01
    Taxonomy us-gaap
    Unit pure
    Val 0.02
  84. 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 CY2019
    Label Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period
    Start 2019-01-01
    Taxonomy us-gaap
    Unit shares
    Val 175,946
  85. 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 CY2019Q4I
    Label Accounts Payable, Current
    Taxonomy us-gaap
    Unit USD
    Val 3,945,000
  86. Description The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.
    Fact NetIncomeLoss
    Frame CY2019
    Label Net Income (Loss) Attributable to Parent
    Start 2019-01-01
    Taxonomy us-gaap
    Unit USD
    Val -51,930,000
  87. Description Percentage of difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operation, attributable to nondeductible expense for share-based payment arrangement.
    Fact EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost
    Frame CY2019
    Label Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-based Payment Arrangement, Percent
    Start 2019-01-01
    Taxonomy us-gaap
    Unit pure
    Val -0.00
  88. Description Amount before accretion (amortization) of purchase discount (premium) of interest income on nonoperating securities.
    Fact InvestmentIncomeInterest
    Frame CY2019
    Label Investment Income, Interest
    Start 2019-01-01
    Taxonomy us-gaap
    Unit USD
    Val 1,823,000
  89. Description Amount of operating lease expense. Excludes sublease income.
    Fact OperatingLeaseExpense
    Frame CY2019
    Label Operating Lease, Expense
    Start 2019-01-01
    Taxonomy us-gaap
    Unit USD
    Val 265,000
  90. Description The cash inflow associated with the amount received from entity's first offering of stock to the public.
    Fact ProceedsFromIssuanceInitialPublicOffering
    Frame CY2019
    Label Proceeds from Issuance Initial Public Offering
    Start 2019-01-01
    Taxonomy us-gaap
    Unit USD
    Val 58,021,000
  91. Description Interest paid other than in cash for example by issuing additional debt securities. As a noncash item, it is added to net income when calculating cash provided by or used in operations using the indirect method.
    Fact PaidInKindInterest
    Frame CY2019
    Label Paid-in-Kind Interest
    Start 2019-01-01
    Taxonomy us-gaap
    Unit USD
    Val 3,031,000
  92. Description The gross value of stock issued during the period upon the conversion of convertible securities.
    Fact StockIssuedDuringPeriodValueConversionOfConvertibleSecurities
    Frame CY2019
    Label Stock Issued During Period, Value, Conversion of Convertible Securities
    Start 2019-01-01
    Taxonomy us-gaap
    Unit USD
    Val 173,080,000
  93. Description Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from share-based compensation.
    Fact DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost
    Frame CY2019Q4I
    Label Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-based Compensation Cost
    Taxonomy us-gaap
    Unit USD
    Val 511,000
  94. 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 CY2019
    Label Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect
    Start 2019-01-01
    Taxonomy us-gaap
    Unit USD
    Val 3,545,000
  95. Description Percentage 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 EffectiveIncomeTaxRateReconciliationOtherAdjustments
    Frame CY2019
    Label Effective Income Tax Rate Reconciliation, Other Adjustments, Percent
    Start 2019-01-01
    Taxonomy us-gaap
    Unit pure
    Val -0.01
  96. 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 CY2019Q4I
    Label Accrued Liabilities, Current
    Taxonomy us-gaap
    Unit USD
    Val 5,452,000
  97. 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 69,608,000
  98. 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 3,537,946
  99. Description Amount of lessee's right to use underlying asset under operating lease.
    Fact OperatingLeaseRightOfUseAsset
    Frame CY2019Q4I
    Label Operating Lease, Right-of-Use Asset
    Taxonomy us-gaap
    Unit USD
    Val 815,000
  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 CY2019Q4I
    Label Liabilities, Current
    Taxonomy us-gaap
    Unit USD
    Val 9,694,000
  101. Description The increase (decrease) during the reporting period in the aggregate amount 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.
    Fact IncreaseDecreaseInAccountsPayable
    Frame CY2019
    Label Increase (Decrease) in Accounts Payable
    Start 2019-01-01
    Taxonomy us-gaap
    Unit USD
    Val 77,000
  102. Description Amount of deferred state and local tax expense (benefit) pertaining to income (loss) from continuing operations.
    Fact DeferredStateAndLocalIncomeTaxExpenseBenefit
    Frame CY2019
    Label Deferred State and Local Income Tax Expense (Benefit)
    Start 2019-01-01
    Taxonomy us-gaap
    Unit USD
    Val -203,000
  103. 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 CY2019Q4I
    Label Common Stock, Value, Issued
    Taxonomy us-gaap
    Unit USD
    Val 25,000
  104. Description Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to research and development expense.
    Fact EffectiveIncomeTaxRateReconciliationNondeductibleExpenseResearchAndDevelopment
    Frame CY2019
    Label Effective Income Tax Rate Reconciliation, Nondeductible Expense, Research and Development, Percent
    Start 2019-01-01
    Taxonomy us-gaap
    Unit pure
    Val 0.04
  105. 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 CY2019
    Label Net Cash Provided by (Used in) Operating Activities
    Start 2019-01-01
    Taxonomy us-gaap
    Unit USD
    Val -46,661,000
  106. Description Percentage 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 changes in the valuation allowance for deferred tax assets.
    Fact EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance
    Frame CY2019
    Label Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent
    Start 2019-01-01
    Taxonomy us-gaap
    Unit pure
    Val -0.20
  107. 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 CY2019
    Label Stock Issued During Period, Value, New Issues
    Start 2019-01-01
    Taxonomy us-gaap
    Unit USD
    Val 58,021,000
  108. 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 CY2019Q4I
    Label Accumulated Other Comprehensive Income (Loss), Net of Tax
    Taxonomy us-gaap
    Unit USD
    Val 38,000
  109. Description Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.
    Fact CommonStockSharesOutstanding
    Frame CY2019Q4I
    Label Common Stock, Shares, Outstanding
    Taxonomy us-gaap
    Unit shares
    Val 24,811,567
  110. Description Amount of deferred foreign income tax expense (benefit) pertaining to income (loss) from continuing operations.
    Fact DeferredForeignIncomeTaxExpenseBenefit
    Frame CY2019
    Label Deferred Foreign Income Tax Expense (Benefit)
    Start 2019-01-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  111. Description Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.
    Fact ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice
    Frame CY2019
    Label Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price
    Start 2019-01-01
    Taxonomy us-gaap
    Unit USD/shares
    Val 8.88
  112. Description Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.
    Fact GoodwillImpairmentLoss
    Frame CY2019
    Label Goodwill, Impairment Loss
    Start 2019-01-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  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 CY2019Q4I
    Label Assets, Current
    Taxonomy us-gaap
    Unit USD
    Val 117,570,000
  114. Description Present value of lessee's discounted obligation for lease payments from operating lease, classified as noncurrent.
    Fact OperatingLeaseLiabilityNoncurrent
    Frame CY2019Q4I
    Label Operating Lease, Liability, Noncurrent
    Taxonomy us-gaap
    Unit USD
    Val 534,000
  115. Description Amount of current state and local tax expense (benefit) pertaining to income (loss) from continuing operations.
    Fact CurrentStateAndLocalTaxExpenseBenefit
    Frame CY2019
    Label Current State and Local Tax Expense (Benefit)
    Start 2019-01-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  116. Description Percentage 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 applicable to state and local income tax expense (benefit), net of federal tax expense (benefit).
    Fact EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes
    Frame CY2019
    Label Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent
    Start 2019-01-01
    Taxonomy us-gaap
    Unit pure
    Val 0.04
  117. Description Amount of investments including trading securities, available-for-sale securities, held-to-maturity securities, and short-term investments classified as other and current.
    Fact ShortTermInvestments
    Frame CY2019Q4I
    Label Short-term Investments
    Taxonomy us-gaap
    Unit USD
    Val 93,934,000
  118. Description The portion of earnings or loss from continuing operations before income taxes that is attributable to foreign operations, which is defined as Income or Loss generated from operations located outside the entity's country of domicile.
    Fact IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign
    Frame CY2019
    Label Income (Loss) from Continuing Operations before Income Taxes, Foreign
    Start 2019-01-01
    Taxonomy us-gaap
    Unit USD
    Val -2,021,000
  119. Description The maximum number of common shares permitted to be issued by an entity's charter and bylaws.
    Fact CommonStockSharesAuthorized
    Frame CY2019Q4I
    Label Common Stock, Shares Authorized
    Taxonomy us-gaap
    Unit shares
    Val 200,000,000
  120. Description Amount of cash inflow from exercise of option under share-based payment arrangement.
    Fact ProceedsFromStockOptionsExercised
    Frame CY2019
    Label Proceeds from Stock Options Exercised
    Start 2019-01-01
    Taxonomy us-gaap
    Unit USD
    Val 10,000

Facts up to 2018-12-31

  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 CY2018Q4I
    Label Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents
    Taxonomy us-gaap
    Unit USD
    Val 14,811,000
  2. Description Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.
    Fact ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
    Frame CY2018Q4I
    Label Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price
    Taxonomy us-gaap
    Unit USD/shares
    Val 2.17
  3. 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 CY2018Q4I
    Label Stockholders' Equity Attributable to Parent
    Taxonomy us-gaap
    Unit USD
    Val -104,820,000
  4. Description Number of options outstanding, including both vested and non-vested options.
    Fact ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
    Frame CY2018Q4I
    Label Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number
    Taxonomy us-gaap
    Unit shares
    Val 2,071,616

The filing refers to a past date, and does not necessarily reflect the current state. The current state is available on the following page: Galera Therapeutics Inc., Malvern of Madison, United States.

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