Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Statistical Measurement [Domain] Statistical Measurement [Domain] Investments Investment, Policy [Policy Text Block] Capitalized Contract Cost [Axis] Capitalized Contract Cost [Axis] Schedule of Supplemental Cash Flow Information Related To Leases Schedule Of Supplemental Cash Flow Information Related To Leases [Table Text Block] Schedule Of Supplemental Cash Flow Information Related To Leases Award Timing Predetermined Award Timing Predetermined [Flag] 2026 (excluding the three months ended March 31, 2026) Lessee, Operating Lease, Liability, to be Paid, Remainder of Fiscal Year Asset Class [Axis] Asset Class [Axis] Entity File Number Entity File Number Additional Paid-in Capital Additional Paid-in Capital [Member] Debt Issuance Costs Debt, Policy [Policy Text Block] Tabular List, Table Tabular List [Table Text Block] Leases [Abstract] Basic net income (loss) per share of common stock: Earnings Per Share, Basic [Abstract] Weighted Average Remaining Lease Term [Abstract] Weighted Average Remaining Lease Term [Abstract] Weighted Average Remaining Lease Term New Accounting Pronouncements Recently Adopted and New Accounting Pronouncements Not Yet Adopted New Accounting Pronouncements, Policy [Policy Text Block] Capitalization, Royalty Expense Capitalization, Regulatory Milestone Expense [Member] Capitalization, Royalty Expense Goodwill [Line Items] Goodwill [Line Items] Awards under equity incentive plans Share-Based Payment Arrangement [Member] License License [Member] Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Class of warrant or right, outstanding (in shares) Class of Warrant or Right, Outstanding Basic (in dollars per share) Basic net income (loss) per share of common stock (in dollars per share) Earnings Per Share, Basic Adjustment to Compensation: Adjustment to Compensation [Axis] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Total inventories Inventory, Gross Accounts payable and accrued expenses Increase (Decrease) in Accounts Payable and Accrued Liabilities Total common shares reserved for future issuance (in shares) Common Stock, Capital Shares Reserved for Future Issuance Revenue, net Revenue from Contract with Customer [Text Block] Stock, Class of Stock [Table] Stock, Class of Stock [Table] Schedule of Segment Reporting Information, by Segment Schedule of Segment Reporting Information, by Segment [Table Text Block] Inventory Disclosure [Abstract] Common stock issued as a result of the Employee Stock Purchase Plan (in shares) Stock Issued During Period, Shares, Employee Stock Purchase Plans Relief License Agreement Relief License Agreement [Member] Pertains to the Relief License Agreement. Measurement Input Type [Domain] Measurement Input Type [Domain] Capitalized Contract Cost [Domain] Capitalized Contract Cost [Domain] Adjustment to Compensation, Amount Adjustment to Compensation Amount Other long-term assets Increase (Decrease) in Other Operating Assets Schedule of Inventory, Noncurrent Schedule of Inventory, Noncurrent [Table Text Block] Stock-based compensation expense Share-Based Payment Arrangement, Noncash Expense Sale of future royalties, intellectual property, and other assets, net Proceeds from Sale of Intangible Assets Employee Stock Option Share-Based Payment Arrangement, Option [Member] Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Research and Development Research and Development Expense, Policy [Policy Text Block] Warrant liabilities Warrants [Member] Information pertaining to warrants. Accounts and Financing Receivables [Table] Accounts and Financing Receivables [Table] Operating cash flows from short-term leases Short-Term Lease Payments Antidilutive Securities [Axis] Antidilutive Securities [Axis] Total stockholders' equity Beginning balance Ending balance Equity, Attributable to Parent Insider Trading Policies and Procedures [Line Items] Stock based compensation expense Total stock-based compensation expense Share-Based Payment Arrangement, Expense Common stock, shares authorized (in shares) Common Stock, Shares Authorized Goodwill and Intangible Assets Disclosure [Abstract] Patents Patents [Member] Stock issued (in shares) Stock Issued During Period, Shares, New Issues Current assets: Assets, Current [Abstract] Total liabilities and stockholders' equity Liabilities and Equity Foreign Currency Foreign Currency Transactions and Translations Policy [Policy Text Block] Concentration of Credit Risk Concentration Risk, Credit Risk, Policy [Policy Text Block] Cash and cash equivalents, beginning of period Cash and cash equivalents, end of period Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Including Discontinued Operation Liabilities and stockholders' equity Liabilities and Equity [Abstract] Estimated reserve liability Asset Acquisition Consideration Transferred Estimated Reserve Liability Represents estimated reserve liability for asset acquisition consideration transferred. Other (expense) income: Other Nonoperating Income (Expense) [Abstract] Cover [Abstract] Cover [Abstract] Maximum Maximum [Member] Useful life Finite-Lived Intangible Asset, Useful Life Settlement of royalties to Aquestive Increase (Decrease) in Royalties Payable Accounting Policies [Abstract] Accounting Policies [Abstract] Finite-lived intangible assets, net Finite-Lived Intangible Assets, Net Schedule of Maturities of Operating Lease Liabilities Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block] Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Debt Instrument [Line Items] Debt Instrument [Line Items] Purchases of investments Payments to Acquire Other Investments Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Treasury Stock, at cost Treasury Stock, Common [Member] Weighted-average shares of common stock outstanding: Weighted Average Common Shares Outstanding [Abstract] Weighted Average Common Shares Outstanding Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Pay vs Performance Disclosure [Line Items] Class of Warrant or Right [Axis] Class of Warrant or Right [Axis] Total operating lease liabilities Lease liabilities Operating Lease, Liability Embedded derivative Embedded Derivative [Member] Embedded Derivative Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Royalty percentage Royalty Revenue, Percent Represents the royalty revenue expressed as a percentage. Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Debt instrument, periodic payment, interest Debt Instrument, Periodic Payment, Interest Income (loss) before income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Entity Shell Company Entity Shell Company Other long-term liabilities Other Liabilities, Noncurrent Schedule of Long-Term Debt Instruments [Table] Schedule of Long-Term Debt Instruments [Table] Disposals of property and equipment Proceeds from Sale of Property, Plant, and Equipment Proceeds from issuance of debt Proceeds from Issuance of Debt Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Remaining lease term (in years) Lessee, Operating Lease, Remaining Lease Term Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Company Selected Measure Amount Company Selected Measure Amount 2029 Lessee, Operating Lease, Liability, to be Paid, Year Three Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Other liabilities Increase (Decrease) in Other Noncurrent Liabilities Comprehensive income (loss) Comprehensive Income (Loss), Net of Tax, Attributable to Parent Measurement Input Type [Axis] Measurement Input Type [Axis] Name Measure Name Debt securities mature within one year Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, Year One Income tax payable Accrued Income Taxes, Noncurrent Share-Based Payment Arrangement, Expensed and Capitalized Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block] Commave Settlement Agreement Commave Settlement Agreement [Member] Commave Settlement Agreement Current portion of operating lease liabilities Operating Lease, Liability, Current Schedule Of Common Stock Warrant Liabilities Measured At Fair Value Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] Document Fiscal Period Focus Document Fiscal Period Focus Accounts and Other Receivables Receivable [Policy Text Block] Award Timing Method Award Timing Method [Text Block] Interest and other income, net Interest and other income, net Represents the amount of interest and other income (expense), net, recognized during the period. Award Type [Axis] Award Type [Axis] Long-term debt Long-Term Debt Legal Entity [Axis] Legal Entity [Axis] Total assets Assets Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] Stock-Based Compensation Share-Based Payment Arrangement [Policy Text Block] 2027 Finite-Lived Intangible Asset, Expected Amortization, Year One Trading Symbol Trading Symbol Geographical [Domain] Geographical [Domain] Current portion of discount and rebate liabilities Current portion of discount and rebate liabilities Current portion of discount and rebate liabilities. Income Taxes Income Tax, Policy [Policy Text Block] Common stock issued as a result of stock options exercised or RSUs vested (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options and RSUs, Exercises in Period Share-Based Compensation Arrangement by Share-Based Payment Award, Options and RSUs, Exercises in Period Entity Address, City or Town Entity Address, City or Town Cash flows from operating activities: Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Receivable Type [Axis] Receivable Type [Axis] Contingent consideration liabilities Contingent Consideration [Member] Relates to contingent consideration liabilities. Inventories Inventory Disclosure [Text Block] Non-cash interest expense Other Noncash Expense Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Statement of Income Location, Balance [Domain] Statement of Income Location, Balance [Domain] MIPLYFFA MIPLYFFA [Member] MIPLYFFA Debt instrument, floor rate Debt Instrument, Floor Rate Floor rate of debt instrument. Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] 2030 Finite-Lived Intangible Asset, Expected Amortization, Year Four Entity Emerging Growth Company Entity Emerging Growth Company Research and development Research and development identified to programs Research and Development Expense (Excluding Acquired in Process Cost) Common stock warrants Warrant [Member] Payments to acquire intangible assets Payments to Acquire Intangible Assets Variable Interest Entities Consolidation, Variable Interest Entity, Policy [Policy Text Block] Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Operating leases Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year [Member] Revenue, net Total revenues Revenue from Contract with Customer, Including Assessed Tax Significant Other Observable Inputs (Level 2) Fair Value, Inputs, Level 2 [Member] Less: debt issuance costs Debt Issuance Costs, Net Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Non-amortizable intangible assets Indefinite-Lived Intangible Assets (Excluding Goodwill) Business Combination [Domain] Business Combination [Domain] Debt instrument, available amount until 18 months following closing date Debt Instrument Available Amount Until 18 Months Following Closing Date ATM Agreement Sales ATM Agreement Sales [Member] Represents for At-the-Market Agreement Sales. Common stock, shares outstanding (in shares) Beginning balance (in shares) Ending balance (in shares) Common Stock, Shares, Outstanding Change in fair value measurement of warrant liabilities Fair Value Adjustment of Warrants Plan Name [Axis] Plan Name [Axis] PEO PEO [Member] Common stock registered, shares (in shares) Common Stock Registered Shares Shares registered as apart of an S-3 filing. Legal fees Legal Fees Schedule of Common Stock Activity Schedule of Common Stock Outstanding Roll Forward [Table Text Block] Sales and maturities of investments Proceeds from Sale, Maturity and Collection of Investments Interest income Investment Income, Interest Current portion of income tax payable Accrued Income Taxes, Current UNITED STATES UNITED STATES Change in assets and liabilities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital [Abstract] Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year [Member] Schedule of Estimated Amortization Expense For Intangible Assets Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] Patent Costs Intangible Assets, Finite-Lived, Policy [Policy Text Block] Accumulated Deficit Retained Earnings [Member] Prepaid expenses and other current assets Prepaid Expense and Other Assets, Current Aggregate offering price Equity Distribution Agreement, Maximum Aggregate Offering Price The maximum aggregate offering price under the equity distribution agreement. Entity Address, Postal Zip Code Entity Address, Postal Zip Code Restatement Determination Date Restatement Determination Date Income Statement [Abstract] Income Statement [Abstract] Income tax expense Income tax expense Income Tax Expense (Benefit) Basis spread on variable rate Debt Instrument, Basis Spread on Variable Rate Sale of Stock [Domain] Sale of Stock [Domain] Lessee, operating lease, lease not yet commenced, liability, to be paid, remainder of fiscal year Lessee, Operating Lease, Lease Not yet Commenced, Liability, Estimate to be Paid, Remainder of Fiscal Year Lessee, Operating Lease, Lease Not yet Commenced, Liability, Estimate to be Paid, Remainder of Fiscal Year Fair value Investments, Fair Value Disclosure Preferred stock, shares issued (in shares) Preferred Stock, Shares Issued Intangible assets, net Intangible Assets, Net (Excluding Goodwill) Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Dividend yield Measurement Input, Expected Dividend Rate [Member] Adrian W. Quartel [Member] Adrian W. Quartel Product and Service [Domain] Product and Service [Domain] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Rahsaan Thompson [Member] Information pertaining to insider trading. Term Loans Under Credit Agreement Credit Agreement [Member] Represents term loans under credit agreement. Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Total liabilities Liabilities, Fair Value Disclosure Acer Warrant Acer Warrant [Member] Acer Warrant Organization, Consolidation and Presentation of Financial Statements [Abstract] Clawback liability Contract With Customer, Clawback Liability and Other Adjustments Represents clawback liability for contract with customer Non-cash lease expense Operating Lease, Right-of-Use Asset, Periodic Reduction Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] City Area Code City Area Code Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] All Trading Arrangements All Trading Arrangements [Member] Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Cash paid to settle derivative instrument and payoff premium Cash Paid To Settle Derivative Instrument and Payoff Premium Cash Paid To Settle Derivative Instrument and Payoff Premium Less: Dividends declared or accumulated Preferred Stock Dividends, Income Statement Impact CVR liability CVR Liability [Member] Represents the CVR liability. Aquestive Therapeutics Aquestive Therapeutics [Member] Represents Aquestive Therapeutics (formerly known as MonoSol Rx, LLC). Commitments and Contingencies Disclosure [Abstract] Class of Warrant or Right [Line Items] Class of Warrant or Right [Line Items] Cash flows from investing activities: Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] Segment long-lived assets Long-Lived Assets Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Net cash provided by (used in) operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Preferred stock, par value (in dollars per share) Preferred Stock, Par or Stated Value Per Share Segment Reporting, Revenue Reconciling Item [Line Items] Revenues from External Customers and Long-Lived Assets [Line Items] Subsequent Event Subsequent Event [Member] Fair value adjustment related to investments Fair value adjustment related to investments Fair Value Adjustment Of Investments Amount of expense (income) related to adjustment to fair value of investments. Total lease costs Lease, Cost Selling, general and administrative Selling, General and Administrative Expenses [Member] Goodwill Goodwill Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] Schedule of Component of Lease Expenses Lease, Cost [Table Text Block] PEO Total Compensation Amount PEO Total Compensation Amount Cash not yet received on sale of of future royalties, intellectual property, and other assets, net Cash Not Yet Received on Sale of Future Royalties, Intellectual Property, and Other Assets, Net Cash Not Yet Received on Sale of Future Royalties, Intellectual Property, and Other Assets, Net 2026 (excluding the three months ended March 31, 2026) Finite-Lived Intangible Asset, Expected Amortization, Remainder of Fiscal Year Equity Components [Axis] Equity Components [Axis] Less: sublease income Sublease Income Loss on derivative liability Fair Value Adjustment Related To Derivative Instrument Fair Value Adjustment Related To Derivative Instrument Issuance of common stock in exchange for consulting services Stock Issued During Period, Value, Issued for Services Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Number of reportable segments Number of Reportable Segments Possible future issuances under equity incentive plans Possible Future Issuances Under Equity Incentive Plan [Member] Possible Future Issuances Under Equity Incentive Plan Unamortized original issue discount Debt Instrument, Unamortized Discount (Premium), Net Supplemental cash flow information: Supplemental Cash Flow Information [Abstract] Amortized cost Debt Securities, Available-for-Sale, Amortized Cost Other Performance Measure, Amount Other Performance Measure, Amount Foreign currency translation adjustment Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss) Arising During Period, Net of Tax Entity Address, State or Province Entity Address, State or Province Aggregate offering price Common Stock, Registered Maximum Offering Price Represents maximum offering price under common stock registered. Antidilutive Security, Excluded EPS Calculation [Table] Antidilutive Security, Excluded EPS Calculation [Table] Total current liabilities Liabilities, Current JMP JMP [Member] Represents JMP. Derivative Instrument [Axis] Derivative Instrument [Axis] Individual: Individual [Axis] Fair value adjustment related to warrant and CVR liability Fair value adjustment related to warrant and CVR liability Fair Value Adjustment Related to Warrant and CVR Liability Amount of expense (income) related to adjustment to fair value of warrant liability and CVR Liability Right-of-use assets obtained in exchange for lease liabilities Right-of-Use Asset Obtained in Exchange for Finance Lease Liability Research and development Research and Development Expense [Member] Additional paid-in capital Additional Paid in Capital, Common Stock Entity [Domain] Entity [Domain] Net cash provided by investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table [Member] Cash paid for interest Interest Paid, Excluding Capitalized Interest, Operating Activity Document Fiscal Year Focus Document Fiscal Year Focus Relief Therapeutics Relief Therapeutics [Member] Relief Therapeutics Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Number of shares reserved for issuance, incremental percentage of capital stock outstanding Share-based Compensation Arrangement By Share-based Payment Award, Number Of Shares Reserved For Issuance, Incremental Percentage Of Capital Stock Outstanding Represents the share based compensation arrangement by share based payment award number of shares reserved for issuance incremental percentage of capital stock outstanding. Operating lease right-of-use assets Operating Lease, Right-of-Use Asset Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Discount and rebate liabilities, less current portion Discount and rebate liabilities, less current portion Noncurrent portion of discount and rebate liabilities. Entity Interactive Data Current Entity Interactive Data Current Operating lease cost Operating Lease, Cost Plan Name [Domain] Plan Name [Domain] Plus: Fair value adjustment income related to warrant liability Fair Value Adjustment Of Warrants, Net Of Tax Fair Value Adjustment Of Warrants, Net Of Tax Common stock issued as a result of stock options exercised or released (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period Equity [Abstract] Revenue Recognition Revenue from Contract with Customer [Policy Text Block] Segment Information Segment Reporting Disclosure [Text Block] Goodwill [Table] Goodwill [Table] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] U.S. Treasury securities US Treasury Securities [Member] Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Class of Warrant or Right [Table] Class of Warrant or Right [Table] Commave Therapeutics SA Commave Therapeutics SA [Member] Commave Therapeutics SA Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Intangible asset amortization Amortization of Intangible Assets Selling, general and administrative Selling, general and administrative identified to programs Selling, General and Administrative Expense Volatility Measurement Input, Price Volatility [Member] Payments of principal on insurance financing arrangements Payments Of Principal On Insurance, Financing Arrangements Represents payments of principal on insurance financing arrangements. Depreciation and amortization expense Depreciation and amortization expense Depreciation, Depletion and Amortization Other long-term assets Other Assets, Noncurrent Right-of-use assets obtained in exchange for lease liabilities: Right-Of-Use Asset Obtained In Exchange For Lease Liability [Abstract] Right-Of-Use Asset Obtained In Exchange For Lease Liability Entity Central Index Key Entity Central Index Key PEO Name PEO Name Warrants exercised Warrants Exercised, Fair Value Disclosure Warrants Exercised, Fair Value Disclosure Reconciliation of Revenue from Segments to Consolidated [Table] Schedule of Revenues from External Customers and Long-Lived Assets [Table] Zevra Therapeutics Zevra Therapeutics [Member] Zevra Therapeutics Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year [Member] Finished goods Inventory, Finished Goods, Gross Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Fair value, measurement with unobservable inputs reconciliation, recurring basis, liability value Beginning balance Ending balance Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value Arrangement Duration Trading Arrangement Duration Segments [Axis] Segments [Axis] Prepaid expenses and other current assets Increase (Decrease) in Prepaid Expense and Other Assets Percentage of aggregate gross sales proceeds Equity Distribution Agreement Commission Fee, Percentage Of Gross Sales The percentage of gross sales for commission fee under the equity distribution agreement. Exercise Price Award Exercise Price Fair Value by Liability Class [Domain] Fair Value by Liability Class [Domain] Entity Filer Category Entity Filer Category Local Phone Number Local Phone Number Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Collaborative Arrangement and Arrangement Other than Collaborative [Domain] Collaborative Arrangement and Arrangement Other than Collaborative [Domain] Europe Europe [Member] Subsequent Event Type [Axis] Subsequent Event Type [Axis] Stock-Based Compensation Share-Based Payment Arrangement [Text Block] Assets Assets [Abstract] Long-term debt Long-Term Debt, Excluding Current Maturities Inventories, noncurrent Inventory, Noncurrent Underlying Security Market Price Change Underlying Security Market Price Change, Percent 2029 Finite-Lived Intangible Asset, Expected Amortization, Year Three Class of Warrant or Right [Domain] Class of Warrant or Right [Domain] Schedule Of Supplemental Balance Sheet Information Related To Leases Schedule Of Supplemental Balance Sheet Information Related To Leases [Table Text Block] Schedule Of Supplemental Balance Sheet Information Related To Leases Debt Instrument [Axis] Debt Instrument [Axis] Income tax expense Income Tax Expense (Benefit), Noncash Adjustment The amount of noncash adjustment due to income tax expense (benefit). Fair Value of Financial Instruments Fair Value Disclosures [Text Block] Loss on extinguishment of debt Loss on extinguishment of debt Gain (Loss) on Extinguishment of Debt Debt instrument, maximum interest payment, percentage Debt Instrument, Maximum Interest Payment, Percentage Maximum amount of interest payment allowed under debt instrument as a percentage. Stockholders’ equity: Equity, Attributable to Parent [Abstract] Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year [Member] Cash paid for amounts included in the measurement of lease liabilities: Cash Flow, Lessee [Abstract] Cash Flow, Lessee Entity Address, Address Line One Entity Address, Address Line One Commercial accounts receivable Commercial Accounts Receivable [Member] Commercial Accounts Receivable Other Comprehensive Income (Loss) AOCI Attributable to Parent [Member] Final prepayment premium Payments for Final Prepayment Premium Payments for Final Prepayment Premium Operating Lease, Assets And Liabilities, Lessee [Abstract] Operating Lease, Assets And Liabilities, Lessee [Abstract] Operating Lease, Assets And Liabilities, Lessee Operating lease liabilities, less current portion Operating Lease, Liability, Noncurrent Work in progress Inventory, Work in Process, Gross Warrant liabilities Common Stock Warrant Liabilities [Member] Pertains to warrants. Fair Value as of Grant Date Award Grant Date Fair Value Entity Registrant Name Entity Registrant Name AZSTARYS License Agreement AZSTARYS License Agreement [Member] AZSTARYS License Agreement Proceeds from issuance of common stock for warrants exercised Proceeds from Warrant Exercises Nature of Expense [Axis] Nature of Expense [Axis] Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Schedule of Long-Term Debt Schedule of Long-Term Debt Instruments [Table Text Block] Total operating expenses Costs and Expenses Document Quarterly Report Document Quarterly Report Total assets Assets, Fair Value Disclosure Schedule of Fair Value Measurement Inputs and Valuation Techniques Fair Value Measurement Inputs and Valuation Techniques [Table Text Block] Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Counterparty Name [Domain] Counterparty Name [Domain] 2028 Lessee, Operating Lease, Liability, to be Paid, Year Two Number of operating segments Number of Operating Segments Other receivables Other Receivables [Member] Accretion on investments Accretion (Amortization) of Discounts and Premiums, Investments Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Title Trading Arrangement, Individual Title Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Collaborative Arrangement and Arrangement Other than Collaborative [Axis] Collaborative Arrangement and Arrangement Other than Collaborative [Axis] Restatement Determination Date: Restatement Determination Date [Axis] Non-PEO NEO Non-PEO NEO [Member] Issuance of common stock as part of the Employee Stock Purchase Plan Stock Issued During Period, Value, Employee Stock Purchase Plan Interest expense Interest Expense, Debt Segment Reporting, Revenue Reconciling Item [Line Items] Segment Reporting, Revenue Reconciling Item [Line Items] Sale of Stock [Axis] Sale of Stock [Axis] Class of warrants or right, exercised (in shares) Class Of Warrants Or Right, Exercised During Period The number of warrants or rights exercised during period. Name Trading Arrangement, Individual Name Award Type [Domain] Award Type [Domain] Prepayment cost Payment for Debt Extinguishment or Debt Prepayment Cost 2027 Lessee, Operating Lease, Liability, to be Paid, Year One Debt instrument, number of drawings Debt Instrument, Number of Drawings Debt Instrument, Number of Drawings Equity Awards Adjustments Equity Awards Adjustments [Member] Reconciliation of Revenue from Segments to Consolidated [Table] Reconciliation of Revenue from Segments to Consolidated [Table] Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Warrants and rights outstanding, measurement input Warrants and Rights Outstanding, Measurement Input Accounts and other receivables Increase (Decrease) in Accounts and Other Receivables Compensation Amount Outstanding Recovery Compensation Amount Debt instrument, face amount Debt Instrument, Face Amount Proceeds from sale of PRV Proceeds From Sale Of Priority Review Voucher Proceeds From Sale Of Priority Review Voucher Derivative Financial Instruments, Liabilities Derivative Financial Instruments, Liabilities [Member] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Recognized revenue Contract with Customer, Liability, Revenue Recognized MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Name Awards Close in Time to MNPI Disclosures, Individual Name Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Debt instrument, number of tranches Debt Instrument, Number of Tranches Debt Instrument, Number of Tranches Stock-based compensation expense APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Treasury stock, at cost Treasury Stock, Value Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax Neil F. McFarlane Trading Arrangement, Performance-Based Restricted Stock Units [Member] Neil F. McFarlane Trading Arrangement, Performance-Based Restricted Stock Units Receivables related to product reimbursements Receivables Related to Product Reimbursements [Member] Receivables Related to Product Reimbursements Gain on sale of future royalties, intellectual property, and other assets, net Gain (Loss) on Disposition of Intangible Assets Net unrealized losses on available-for-sale securities OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment and Tax Liability Class [Axis] Liability Class [Axis] Segments [Domain] Segments [Domain] Statement of Income Location, Balance [Axis] Statement of Income Location, Balance [Axis] Performance Shares Performance Shares [Member] Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Milestone payments Revenue Recognition Milestone Method Additional Revenue To Be Recognized The amount of additional consideration to be recognized for the milestone or milestones. Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Inventories Increase (Decrease) in Inventories Inventories, current Inventory, Net Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Minimum Minimum [Member] Paid-in-kind interest Payment of Paid-in-Kind Interest Payment of Paid-in-Kind Interest Earnings per Share Earnings Per Share, Policy [Policy Text Block] Accounts, Notes, Loans and Financing Receivable [Line Items] Accounts, Notes, Loans and Financing Receivable [Line Items] Company Selected Measure Name Company Selected Measure Name Cost of Product Revenue Cost of Goods and Service [Policy Text Block] OLPRUVA OLPRUVA [Member] OLPRUVA Debt Obligations Debt Disclosure [Text Block] Undesignated preferred stock Preferred Stock, Value, Issued Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Operating cash flows from operating leases Operating Lease, Payments Interest payable Interest Payable Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] Debt instrument, available amount until December 31, 2024 Debt Instrument Available Amount Until December Twenty Twenty Four Amount of debt available to be drawn until December 31, 2024. Net income (loss) attributable to shares of common stock, diluted Net income (loss) attributable to shares of common stock, diluted Net Income (Loss) Available to Common Stockholders, Diluted All Executive Categories All Executive Categories [Member] Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Diluted (in shares) Weighted-average shares of common stock outstanding, diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted Neil F. McFarlane [Member] Information pertaining to insider trading. Segment and Geographic Information Segment Reporting, Policy [Policy Text Block] Commitments and contingencies (Note M) Commitments and Contingencies Estimated proceeds from sale of priority review voucher Estimated Proceeds From Sale Of Priority Review Voucher Estimated Proceeds From Sale Of Priority Review Voucher Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Schedule of Authorized Shares of Common Stock Reserved for Future Issuance Schedule of Authorized Shares of Common Stock Reserved for Future Issuance [Table Text Block] Tabular disclosure of authorized shares of common stock reserved for future issuance. Business Combination [Axis] Business Combination [Axis] Entity Small Business Entity Small Business Weighted average fair value (in dollars per share) Class Of Warrant Or Right Liability Weighted Average Fair Value Represents the weighted average fair value under fair value assumptions for warrant liabilities. Preferred stock, shares outstanding (in shares) Preferred Stock, Shares Outstanding Document Transition Report Document Transition Report Debt securities mature within year one through five Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year One Through Five Underlying Securities Award Underlying Securities Amount Equity Component [Domain] Equity Component [Domain] Document Period End Date Document Period End Date PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Diluted net income (loss) per share of common stock: Earnings Per Share, Diluted [Abstract] Reserve or allowance for doubtful accounts Accounts Receivable, Allowance for Credit Loss Contractual obligation Contractual Obligation Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Revenue from Contract with Customer [Abstract] Short-term lease cost Short-Term Lease, Cost Operating lease liabilities Increase (Decrease) in Operating Lease Liability Direct Operating Costs Direct Operating Costs [Member] Information pertaining to the nature of the expense. Document Type Document Type Significant Unobservable Inputs (Level 3) Fair Value, Inputs, Level 3 [Member] Net Income (Loss) Per Share Earnings Per Share [Text Block] Name Outstanding Recovery, Individual Name Product and Service [Axis] Product and Service [Axis] Accounts and other receivables Total receivables Accounts and Other Receivables, Net, Current Lessee, operating lease, lease not yet commenced, liability, estimate to be paid, year one Lessee, Operating Lease, Lease Not yet Commenced, Liability, Estimate to be Paid, Year One Lessee, Operating Lease, Lease Not yet Commenced, Liability, Estimate to be Paid, Year One Derivative Contract [Domain] Derivative Contract [Domain] Asset Acquisition [Domain] Asset Acquisition [Domain] Warrants Warrants [Policy Text Block] Represents the policy for warrants. All Individuals All Individuals [Member] Fair Value Disclosures [Abstract] Purchases of property and equipment Payments to Acquire Property, Plant, and Equipment Name Forgone Recovery, Individual Name Loss on derivative liability Loss on derivative liability Extinguishments Unrealized Gain (Loss) on Derivatives Total current assets Assets, Current Statistical Measurement [Axis] Statistical Measurement [Axis] Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested [Member] Indirect Operating Costs Indirect Operating Costs [Member] Information pertaining to the nature of the expense. Loss contingency accrual Loss Contingency Accrual Proceeds from issuance of common stock for options exercised Proceeds, Issuance of Shares, Share-Based Payment Arrangement, Including Option Exercised XOMA License Agreement XOMA License Agreement [Member] XOMA License Agreement The 2023 Plan The 2023 Plan [Member] The 2023 Plan Fair Value Measurement Inputs and Valuation Techniques [Line Items] Fair Value Measurement Inputs and Valuation Techniques [Line Items] Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Payments for employee taxes related to stock awards Payment, Tax Withholding, Share-Based Payment Arrangement Derivative, basis spread on variable rate Derivative, Basis Spread on Variable Rate Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Net income (loss) attributable to shares of common stock Net Income (Loss) Available to Common Stockholders, Basic Neil F. McFarlane Trading Arrangement, Common Stock [Member] Neil F. McFarlane Trading Arrangement, Common Stock Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Other comprehensive loss Other comprehensive loss Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Current liabilities: Liabilities, Current [Abstract] Geographical [Axis] Geographical [Axis] Lessee, Lease, Description [Line Items] Lessee, Lease, Description [Line Items] 2014 Equity Incentive Plan 2014 Equity Incentive Plan [Member] 2014 Equity Incentive Plan Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Lessee, operating lease, lease not yet commenced, liability, estimate to be paid, year two Lessee, Operating Lease, Lease Not yet Commenced, Liability, Estimate to be Paid, Year Two Lessee, Operating Lease, Lease Not yet Commenced, Liability, Estimate to be Paid, Year Two Operating lease right-of-use assets Increase (Decrease) in Operating Lease, Right-of-Use Asset The amount of increase (decrease) in operating lease right-of-use assets. Quoted Prices in Active Markets for Identical Assets (Level 1) Fair Value, Inputs, Level 1 [Member] Gain on sale of future royalties, intellectual property, and other assets, net Gain (Loss) on Disposition of Assets (Gain) loss on foreign currency exchange rates Gain (Loss), Foreign Currency Transaction, before Tax Embedded Derivative Derivatives, Embedded Derivatives [Policy Text Block] Diluted (in dollars per share) Diluted net income (loss) per share of common stock (in dollars per share) Earnings Per Share, Diluted Reportable Segment Reportable Segment [Member] Reportable Segment Earnings allocated to participating securities Participating Securities, Distributed and Undistributed Earnings (Loss), Basic Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Title of 12(b) Security Title of 12(b) Security Lessee, Lease, Description [Table] Lessee, Lease, Description [Table] Other comprehensive loss: Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent [Abstract] Net income (loss) per share of common stock: Earnings Per Share [Abstract] Description of Business, Basis of Presentation, and Significant Transactions Business Description and Basis of Presentation [Text Block] Total other (expense) income Nonoperating Income (Expense) Leases, Weighted Average Discount Rate [Abstract] Leases, Weighted Average Discount Rate [Abstract] Leases, Weighted Average Discount Rate Consulting fees paid in common stock Consulting Fees Paid In Common Stock The amount of consulting fees are paid in stock. Common stock issued as a result of stock warrants exercised (in shares) Stock Issued During Period, Shares, Warrant Exercises The number of shares issued during the period from exercises of warrants. Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] Investments, current Debt Securities, Available-for-Sale, Current Less: future interest expense Lessee, Operating Lease, Liability, Undiscounted Excess Amount Corporate bonds Corporate Bond Securities [Member] Share-Based Payment Arrangement, Disclosure [Abstract] 2028 Finite-Lived Intangible Asset, Expected Amortization, Year Two Collaborative Arrangement and Arrangement Other than Collaborative [Table] Collaborative Arrangement and Arrangement Other than Collaborative [Table] Award Timing Disclosures [Line Items] Notes payable Long-Term Debt, Gross Employee stock purchase plan, maximum number of issuable shares (in shares) Employee Stock Purchase Plan, Maximum Number Of Issuable Shares Maximum number of shares that may be issued under Employee Stock Purchase Plan. Total lease payments Lessee, Operating Lease, Liability, to be Paid Stock and Warrants Equity [Text Block] Net income (loss) Net income (loss) Net (loss) income Net income (loss) Net Income (Loss) Attributable to Parent Expiration Date Trading Arrangement Expiration Date Increase in common stock reserved for issuance (in shares) Increase In Common Stock, Reserved For Issuance Amount of increase in common stock reserved for issuance. Discount and rebate liabilities Discount and Rebate Liabilities Increase (decrease) in discount and rebate liabilities. Property and equipment, net Property, Plant and Equipment, Net Preferred stock, shares authorized (in shares) Preferred Stock, Shares Authorized Adoption Date Trading Arrangement Adoption Date Reclassifications Reclassification, Comparability Adjustment [Policy Text Block] Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Inventories Inventory, Policy [Policy Text Block] Warrant liability Derivative And Warrant Liability Noncurrent Noncurrent Carrying amount of derivative and warrant liability. Entity Current Reporting Status Entity Current Reporting Status Expected term (years) Measurement Input, Expected Term [Member] Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Income (loss) from operations Operating Income (Loss) Accumulated deficit Retained Earnings (Accumulated Deficit) Debt instrument, available amount until 18 months following closing date, maximum each drawing Debt Instrument Available Amount Until Eighteen Months Following Closing Date Maximum Each Drawing Maximum each drawing for amount available under debt instrument to draw after 18 months of debt closing date. Change in fair value measurement of embedded derivative Embedded Derivative, Gain (Loss) on Embedded Derivative, Net Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested [Member] Executive Category: Executive Category [Axis] Possible future issuances under employee stock purchase plan Possible Future Issuances Under Employee Stock Purchase Plan [Member] Possible Future Issuances Under Employee Stock Purchase Plan Repayment of debt Repayments of Debt Current Fiscal Year End Date Current Fiscal Year End Date Subsequent Event Type [Domain] Subsequent Event Type [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Gain on sale of future royalties, intellectual property, and other assets, net Impairment of intangible assets, finite-lived Impairment of Intangible Assets, Finite-Lived Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table [Member] Schedule of Accounts and Other Receivables Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] Other expense (income), net Other Nonoperating Income (Expense) Statement [Table] Statement [Table] Effect of exchange rate changes on cash and cash equivalents Effect of Exchange Rate on Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Including Discontinued Operation Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract] Cash flows from financing activities: Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] Issuance of common stock for stock warrants exercised Adjustments to Additional Paid in Capital, Warrant Issued Risk-free interest rate Measurement Input, Risk Free Interest Rate [Member] Receivables under the Commave Settlement Agreement Receivables Under Commave Settlement Agreement [Member] Receivables Under Commave Settlement Agreement Contract with customer, liability Contract with Customer, Liability Schedule of Fair Value, Assets and Liabilities Measured at Fair Value on a Recurring Basis Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Total securities excluded from the calculation of weighted average number of shares of common stock outstanding (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] All Adjustments to Compensation All Adjustments to Compensation [Member] Accounts payable and accrued expenses Accounts Payable and Accrued Liabilities, Current Amendment Flag Amendment Flag Contract with customer, liability, revenue recognized, including opening balance Contract with Customer, Liability, Revenue Recognized, Including Opening Balance Contract with Customer, Liability, Revenue Recognized, Including Opening Balance Leases Lessee, Operating Leases [Text Block] Termination Date Trading Arrangement Termination Date Net cash (used in) provided by financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Measure: Measure [Axis] Receivable [Domain] Receivable [Domain] Weighted average discount rate Operating Lease, Weighted Average Discount Rate, Percent Investments, noncurrent Debt Securities, Available-for-Sale, Noncurrent Basic (in shares) Weighted-average number of shares of common stock outstanding - basic (in shares) Weighted Average Number of Shares Outstanding, Basic Inventory Write-down Inventory write-down Inventory Write-down Cost of product revenue Cost of Goods and Service, Excluding Depreciation, Depletion, and Amortization Schedule of Earnings Per Share, Basic and Diluted Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Subsequent Events [Abstract] Segment Reporting [Abstract] Options to terminate leases (in years) Lessee, Operating Lease, Option to Terminate Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Debt Disclosure [Abstract] Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Entity Tax Identification Number Entity Tax Identification Number Undistributed net income (loss) attributable to shares of common stock, basic Undistributed Earnings (Loss) Available to Common Shareholders, Basic Movement In Common Stock Activity [Roll Forward] Movement In Common Stock Activity [Roll Forward] Movement In Common Stock Activity Asset Acquisition [Axis] Asset Acquisition [Axis] Paid-in-kind interest payable Paid-in-Kind Interest Payable Paid-in-Kind Interest Payable Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Common stock, shares issued (in shares) Common Stock, Shares, Issued Weighted average remaining lease term Operating Lease, Weighted Average Remaining Lease Term Goodwill & Intangible Assets Goodwill and Intangible Assets Disclosure [Text Block] Unrealized gain (loss) Debt Securities, Available-for-Sale, Unrealized Gain (Loss) Use of Estimates Use of Estimates, Policy [Policy Text Block] Arimoclomol Purchase Agreement Arimoclomol Purchase Agreement [Member] Arimoclomol Purchase Agreement Interest expense Interest expense Interest Expense, Nonoperating Trading Arrangement: Trading Arrangement [Axis] Total Shareholder Return Amount Total Shareholder Return Amount Subsequent Events Subsequent Events [Text Block] Insider Trading Arrangements [Line Items] Security Exchange Name Security Exchange Name Interim Period, Costs Not Allocable [Domain] Interim Period, Costs Not Allocable [Domain] Raw materials Inventory, Raw Materials, Gross Total liabilities Liabilities Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Acquired IPR&D and Milestones Expenses In Process Research and Development, Policy [Policy Text Block] Common stock Common Stock, Value, Outstanding Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Operating expenses: Operating Expenses [Abstract] Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Other current liabilities Other Liabilities, Current Asset Class [Domain] Asset Class [Domain] Acer and Relief Therapeutics SA Acer and Relief Therapeutics SS [Member] Represents Acer and Relief Therapeutics SA. Issuance of common stock for stock awards Shares Granted, Value, Share-Based Payment Arrangement, after Forfeiture Statement [Line Items] Statement [Line Items] Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Cash and cash equivalents Cash and Cash Equivalent Fair Value Measurement Inputs and Valuation Techniques [Table] Fair Value Measurement Inputs and Valuation Techniques [Table] Counterparty Name [Axis] Counterparty Name [Axis] Share-based payment award, number of additional shares authorized (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Additional Shares Authorized Common Stock Common Stock [Member] Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Non-NEOs Non-NEOs [Member] Net increase in cash and cash equivalents Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Dilutive effect of outstanding stock options (as converted to common stock) (in shares) Weighted Average Number of Shares Outstanding, Diluted, Adjustment