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Recently Announced Accounting Standards Not Yet Adopted New Accounting Pronouncements, Policy [Policy Text Block] Accounts payable Increase (Decrease) in Accounts Payable Gross Unrealized Losses Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Loss, before Tax Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Net loss per share attributable to common stockholders—basic Earnings Per Share, Basic Adjustment to Compensation: Adjustment to Compensation [Axis] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Inventory Inventory Inventory, Gross Aggregate intrinsic value, forfeited and expired Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeited, Intrinsic Value Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeited, Intrinsic Value Shares reserved for issuance Common Stock, Capital Shares Reserved for Future Issuance US Treasury Bill Securities US 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Basis, Unobservable Input Reconciliation [Table Text Block] Document Fiscal Period Focus Document Fiscal Period Focus Award Timing Method Award Timing Method [Text Block] Furniture and fixtures Furniture and Fixtures [Member] Min Cash Test Date 1 Min Cash Test Date 1 [Member] Min Cash Test Date 1 Award Type Award Type [Axis] Deferred revenue Contract with Customer, Liability, Noncurrent Principal amount of long-term debt Long-Term Debt Total assets Assets 2027 Finite-Lived Intangible Asset, Expected Amortization, Year One Trading Symbol Trading Symbol Cash and Cash Equivalents, Restricted Cash and Marketable Securities Cash and Cash Equivalents, Restricted Cash and Cash Equivalents, Policy [Policy Text Block] License and other revenue License and Other Revenue [Member] License and Other Revenue Geographical [Domain] Geographical [Domain] Entity Address, City or Town Entity Address, City or Town Cash flows from operating activities: Cash Provided by (Used in) Operating Activity, 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Shares Outstanding Beginning balance (in shares) Ending balance (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number 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] Level 2 Fair Value, Inputs, Level 2 [Member] Change in fair value of warrant liability Derivative, Gain (Loss) on Derivative, Net Restructuring Reserve [Roll Forward] Restructuring Reserve [Roll Forward] Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Common stock, shares outstanding Common Stock, Shares, Outstanding Rebates and Discounts Rebates and Discounts [Member] Rebates and Discounts Plan Name Plan Name [Axis] Norgine Agreement, R&D - WHIM Norgine Agreement, R&D - WHIM [Member] Norgine Agreement, R&D - WHIM PEO PEO [Member] Hercules Second Amended Loan 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Nonvested beginning balance (in shares) Nonvested ending balance (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Class of Warrant or Right [Line Items] Class of Warrant or Right [Line Items] Rollforward of Deferred Revenue Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] Schedule Of Accounting Policies [Table] Schedule Of Accounting Policies [Table] Schedule Of Accounting Policies [Table] Cash flows from investing activities: Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] General and administrative General and Administrative Expense Long-lived assets Long-Lived Assets Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Net cash used in operating activities Net cash used in operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Preferred stock, par value (in USD per share) Preferred Stock, Par or Stated Value Per Share Revenues from External Customers and Long-Lived Assets [Line Items] Revenues from External Customers and Long-Lived Assets [Line Items] Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] Total lease expense Lease, Cost Goodwill Goodwill Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] Schedule of Components of Lease Expense Lease, Cost [Table Text Block] PEO Total Compensation Amount PEO Total Compensation Amount Long-Term Debt, Type [Axis] Long-Term Debt, Type [Axis] Depreciation Depreciation Money Market Funds Money Market Funds [Member] 2026 (remainder of year) Finite-Lived Intangible Asset, Expected Amortization, Remainder of Fiscal 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Aggregate intrinsic value, exercisable Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Intrinsic Value Laboratory and office space under lease agreement Office Space Under Lease Agreement Office Space Under Lease Agreement Segment Information Segment Reporting Disclosure [Text Block] Principal payments Debt Instrument, Periodic Payment, Principal Marketable securities Marketable Securities Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] U.S. Treasury securities US Treasury Securities [Member] 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] Property, Plant and Equipment, Type Long-Lived Tangible Asset [Axis] Class of Warrant or Right [Table] Class of Warrant or Right [Table] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] 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Award Grant Date Fair Value Property, Plant and Equipment [Abstract] Property, Plant and Equipment [Abstract] Entity Registrant Name Entity Registrant Name Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Compensation expense, excluding stock-based compensation, stock appreciation rights compensation expense and severance expense Labor and Related Expense Effective of dilutive securities (in shares) Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements Forfeited (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period Unrecognized compensation cost of stock based awards Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount Accrued royalty and milestone payments Accrued Royalties Document Quarterly Report Document Quarterly Report Schedule of Allocation of Performance Obligation Schedule of Allocation 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liabilities Increase Decrease In Lease Liabilities Increase decrease in lease liabilities. Title Trading Arrangement, Individual Title Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Type of Arrangement and Non-arrangement Transactions Collaborative Arrangement and Arrangement Other than Collaborative [Axis] Restatement Determination Date: Restatement Determination Date [Axis] Non-PEO NEO Non-PEO NEO [Member] Aggregate intrinsic value, Beginning balance Aggregate intrinsic value, Ending balance Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Intrinsic Value Interest expense, debt Interest Expense, Debt Schedule of Liabilities Measured at Fair Value Fair Value, Liabilities Measured on Recurring Basis [Table Text Block] Sale of Stock [Axis] Sale of Stock [Axis] Gross Unrealized Gains Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Gain, before Tax Name Trading Arrangement, Individual Name Equity Award Award Type [Domain] Equity Awards Adjustments Equity Awards Adjustments [Member] Leasehold improvements Leasehold Improvements [Member] Other Other Noncash Income (Expense) Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Compensation Amount Outstanding Recovery Compensation Amount Debt Instrument, Name Debt Instrument, Name [Domain] Expected dividend yield (in percentage) Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Dividend Rate Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Decrease in deferred revenue for revenue recognized 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 Weighted average grant date fair value (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Cash payments Payments for Restructuring Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Employee Stock Employee Stock [Member] Accounting Policies [Line Items] Accounting Policies [Line Items] Accounting Policies Stock-based compensation expense APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax Aggregate intrinsic value, vested and expected to vest Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value Financial Instruments [Domain] Financial Instruments [Domain] Liability Class Liability Class [Axis] Segments [Domain] Segments [Domain] Statement of Income Location, Balance Statement of Income Location, Balance [Axis] Cash and Cash Equivalent [Table] Cash and Cash Equivalent [Table] Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Fair Value Hierarchy and NAV Fair Value Hierarchy and NAV [Domain] Inventory Increase (Decrease) in Inventories Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Less: Accumulated depreciation Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Net (Loss) Income Per Share Earnings Per Share, Policy [Policy Text Block] Company Selected Measure Name Company Selected Measure Name Preferred stock, $0.001 par value. 10,000,000 shares authorized and no shares issued and outstanding as of March 31, 2026 and December 31, 2025, respectively Preferred Stock, Value, Issued Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Accounts payable Accounts Payable, Current Vienna Lease Vienna Austria Lease [Member] Vienna Austria Lease. Operating cash outflows from operating leases Operating Lease, Payments Proceeds from exercise of pre-funded warrants Proceeds from Stock Plans Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] All Executive Categories All Executive Categories [Member] Common stock, $0.001 par value, 500,000,000 shares authorized as of March 31, 2026 and December 31, 2025, respectively; 94,319,696 and 90,906,920 shares issued and outstanding as of March 31, 2026 and December 31, 2025, respectively Common Stock, Value, Issued Collaboration License And Funding Arrangements [Table] Collaboration License And Funding Arrangements [Table] Collaboration, license and funding arrangements. Commitment and Contingencies Commitments and Contingencies Disclosure [Text Block] Indemnification Agreements Indemnification Agreements [Member] Indemnification Agreements Member. 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