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Share Based Compensation Arrangement by Share Based Payment Award Grant Period Award grant period Rate of purchase price of stock on fair value (as a percent) Share-Based Compensation Arrangement by Share-Based Payment Award, Purchase Price of Common Stock, Percent Balance Sheet Components Balance Sheet Components [Roll Forward] Balance Sheet Components [Roll Forward] Sale Of Stock, Maximum Value Of Shares Authorized For Sale Sale Of Stock, Maximum Value Of Shares Authorized For Sale Maximum aggregate offering price Statement [Line Items] Statement [Line Items] Business Acquisition, Acquiree [Domain] Business Combination [Domain] Balance sheet components [Line Items]. Balance Sheet Components [Line Items] Balance Sheet Components [Line Items] Warrant [Member] Common Warrant Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Other Comprehensive Income (Loss) Due to foreign currency translation Foreign currency translation Warrant Disclosure [Text Block] Warrant disclosure. Warrants Entity Filer Category Entity Filer Category Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Number of Shares Liabilities and Equity Total liabilities and stockholders' equity (deficit) Debt Instrument [Line Items] Debt Instrument [Line Items] Long-Term Debt, Current Maturities Total Debt as of September 30 2025 Current portion of debt Long-Lived Tangible Asset [Axis] Finance lease right of use assets Severance Costs Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent Foreign currency translation adjustments Warrant liabilities Warrant Liabilities Noncurrent Warrant liabilities noncurrent. Trade Names Trade Names [Member] Trade Name Deferred Revenue [Domain] Cash and Cash Equivalents, Fair Value Disclosure Money market funds Extinguishment of Debt, Amount Settlement of loan Subsequent Event [Line Items] Goodwill Goodwill, Total Beginning balance Ending balance Stock options issued and outstanding Investment Income, Interest Interest income Geographical [Domain] Share based compensation arrangement by share based payment award increase in number of shares available for issuance as proportion of shares of common stock. Share Based Compensation Arrangement By Share Based Payment Award Increase In Number Of Shares Available For Issuance As Proportion Of Shares Of Common Stock Increase in number of shares available for issuance as proportion of shares of common stock (in shares) Warrants [Policy Text Block] Disclosure of accounting policy for warrants. Warrants Significant Accounting Policies [Text Block] Summary of Significant Accounting Policies Right of use assets operating leases and operating lease liabilities. Right of Use Assets Operating Leases and Operating Lease Liabilities Right of use assets, operating leases and operating lease liabilities Measurement Input, Risk Free Interest Rate [Member] Risk-free interest rate Finite-Lived Intangible Asset, Useful Life Useful life Warrant, Down Round Feature, Decrease in Net Income to Common Shareholder, Amount Fair value adjustment for warrants Fair value adjustment for pre-funded warrants Vesting [Domain] Vesting [Domain] Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross Options granted (in shares) Contingent Consideration. Contingent Consideration [Member] Contingent Consideration Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Schedule of Calculation of Basic and Diluted Net Income (Loss) Per Share Earnings Per Share, Basic Net income (loss) per share - basic (in USD per share) Net income (loss) per share - basic (in USD per share) Weighted average remaining contractual maturities of available-for-sale securities. Weighted Average Remaining Contractual Maturities Of Available For Sale Securities Weighted average remaining contractual maturities of available-for-sale securities Loan restated term Line of Credit Facility, Covenant Terms Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number Number of Options and Unvested Shares, ending balance (in shares) Number of Options and Unvested Shares, beginning balance (in shares) Liabilities, Current Total current liabilities Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Adjustments to reconcile net income (loss) to net cash used in operating activities: One Year Anniversary One Year Anniversary [Member] One Year Anniversary Salary and Wage, Excluding Cost of Good and Service Sold Personnel Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] Schedule of Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation Entity Listings, Exchange [Axis] Proceeds from Sale and Maturity of Debt Securities, Available-for-Sale Proceeds from maturities of investments Effective Income Tax Rate Reconciliation [Table] Reverse Stock Split Stockholders' Equity, Policy [Policy Text Block] Accrued severance incurred Accrued Severance Incurred Incurred during the period Equity, Attributable to Parent [Abstract] Stockholders' equity (deficit): Entity Small Business Entity Small Business Retained Earnings (Accumulated Deficit) Accumulated deficit Accumulated deficit Value Added Tax Receivable, Current Short-term VAT receivable Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures in Period Options cancelled / forfeited (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period, Intrinsic Value Options exercised Share-Based Payment Arrangement [Text Block] Stock-Based Compensation Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Controlled Equity Offering Sales Agreement Controlled Equity Offering Sales Agreement [Member] Controlled Equity Offering Sales Agreement Leases [Abstract] Leases [Abstract] Weighted Average Number of Shares Outstanding, Diluted, Adjustment Weighted Average Number of Shares Outstanding, Diluted, Adjustment, Total Weighted average shares of common stock outstanding, Diluted - Adjustment Amendment Flag Amendment Flag Segment Reporting, Research And Development, Stock-Based Compensation Segment Reporting, Research And Development, Stock-Based Compensation Stock-based compensation Remaining shares available for issuance Amount Of Remaining And Available Shares For Issuance Amount of remaining and available shares for issuance. Liabilities and Equity [Abstract] LIABILITIES AND STOCKHOLDERS' EQUITY (DEFICIT) Entity Address, Postal Zip Code Entity Address, Postal Zip Code Net Cash Provided by (Used in) Operating Activities Net cash used in operating activities Noncash exercise of pre-funded warrants Noncash Exercise of Pre Funded Warrants Noncash exercise of pre-funded warrants. Segment Reporting, CODM, Profit (Loss) Measure, How Used, Description Common Stock [Member] Common Stock Long-Term Debt, Maturity, Year One 2026 Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Weighted Average Exercise Price, granted Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Less: accumulated amortization and depreciation Pre Funded and Common Warrant [Member] Pre funded and common warrant. Pre Funded and Common Warrant Debt Securities, Available-for-Sale [Line Items] Schedule Of Available For Sale Securities [Line Items] Business Combination, Contingent Consideration, Liability, Measurement Input Contingent consideration, measurement input Entity Address, Address Line One Entity Address, Address Line One Fair value assets transfers out of level 3 Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3 Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV Earnings Per Share [Abstract] Earnings Per Share [Abstract] Supplemental Cash Flow Information [Abstract] Supplemental disclosures of cash flow and non-cash information: Foreign Currency Transactions and Translations Policy [Policy Text Block] Foreign Currency Translation and Transactions Accrued research and development expenses, current. Accrued Research And Development Expenses Current Research and development expenses Statement of Financial Position Location, Balance [Axis] Statement of Financial Position Location, Balance [Axis] Supplemental balance sheet information related to leases. Supplemental Balance Sheet Information Related To Leases [Table Text Block] Schedule of Supplemental Balance Sheet Information Related to Leases Operating Lease, Right-of-Use Asset Operating lease right-of-use assets Operating lease right of use asset, net Payments to Acquire Debt Securities, Available-for-Sale Purchase of investments OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment and Tax Amounts reclassify out of accumulated other comprehensive loss Document Type Document Type Entity Central Index Key Entity Central Index Key Line of Credit Facility [Table] Line of Credit Facility [Table] Debt Securities, Available-for-Sale [Table Text Block] Schedule of Available-for-Sale Securities Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Net increase in cash and cash equivalents Subsequent Event Type [Domain] Fair Value Adjustment of Warrants Change in fair value of warrants Fair value adjustment for warrants Fair value adjustment for warrants Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Antidilutive securities excluded from calculation of earnings per share (in shares) Segment Reporting, Research And Development, Clinical And Contract Manufacturing Segment Reporting, Research And Development, Clinical And Contract Manufacturing Clinical and contract manufacturing Balance Sheet Related Disclosures [Abstract] Two thousand and twenty two inducement plan. Two Thousand and Twenty Two Inducement Plan [Member] 2022 Inducement Plan Pre Funded Warants [Member] Pre funded warants. Pre-Funded Warants Common Stock, Par or Stated Value Per Share Common stock, par value (in USD per share) Proceeds from Issuance of Warrants Remaining proceeds Liabilities [Abstract] Liabilities: Repayments of Short-Term Debt Repayment of borrowings Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term Weighted average remaining contractual life (years) Increase (Decrease) in Other Operating Liabilities Increase (Decrease) in Other Operating Liabilities, Total Other liabilities Debt Securities, Available-for-Sale, Amortized Cost Total cash equivalents and investments, amortized cost Debt Securities, Available-for-Sale Available-for-sale securities outstanding Total cash equivalents and investments, fair value Foreign Taxes Payable Foreign taxes payable. Foreign taxes payable Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period Issuance of common stock on exercise of stock options (in shares) Options exercised (in shares) Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Debt Settlement Fair value, measurement with unobservable inputs reconciliation, recurring basis, debt settlement. Settlement of debt Debt Disclosure [Abstract] Debt Disclosure [Abstract] Percentage of voting rights. Percentage of Voting Rights Voting rights in percentage Accrued Liabilities, Current Accrued expenses and other current liabilities Total accrued expenses and other current liabilities Current Fiscal Year End Date Current Fiscal Year End Date Schedule of Long-Term Debt Instruments [Table] Schedule of Long-Term Debt Instruments [Table] Other Noncurrent Liabilities [Table Text Block] Schedule of Other-Long Term Liabilities Document Quarterly Report Document Quarterly Report Entity Address, State or Province Entity Address, State or Province Investment Income, Net, Amortization of Discount and Premium Amortization of discount on available-for-sale investments Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number Unvested, Ending Balance (in shares) Unvested, Beginning Balance (in shares) Preferred Stock, Shares Outstanding Preferred stock, shares outstanding (in shares) Comprehensive Income (Loss), Net of Tax, Attributable to Parent Total comprehensive income (loss) Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Gain, before Tax Unrealized Gains Research and Development Expense, Policy [Policy Text Block] Reserve for Italian Research and Development Tax Credit Common Stock, Capital Shares Reserved for Future Issuance Common stock reserved for issuance (in shares) Remaining shares available for issuance Geographical [Axis] Segment Reporting, Research And Development, Personnel Expense Segment Reporting, Research And Development, Personnel Expense Personnel Other General and Administrative Expense Other Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block] Schedule of Employee and Non-Employee Stock-Based Compensation Expense Professional Fees Consulting and professional costs Stock Issued During Period, Value, Stock Options Exercised Issuance of common stock on exercise of stock options Long-Term Debt, Measurement Input Long-term debt, measurement input Subsequent Event [Member] Subsequent Event Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Weighted Average Remaining Contractual Life Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Weighted Average Remaining Contractual Life [Abstract] Weighted average remaining contractual life (years) Long-Term Debt, Maturity, Remainder of Fiscal Year 2025 Other Assets, Noncurrent Other assets Fair Value Measurement Inputs and Valuation Techniques [Table] Fair Value Measurement Inputs and Valuation Techniques [Table] Measurement Input, Expected Term [Member] Expected term Debt Securities, Available-for-Sale, Current Short-term investments (maturities within one year) Short-term investments Deferred Revenue Arrangement Type [Axis] Antidilutive Securities [Axis] Antidilutive Securities Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage Award vesting rights Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value Total fair value of shares vested Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value Options vested and expected to vest as of March 31, 2026 Goodwill and Intangible Assets, Intangible Assets, Policy [Policy Text Block] Intangible Assets EryDel. Ery Del [Member] Ery Del [Member] EryDel AOCI Attributable to Parent [Member] Accumulated Other Comprehensive Income / (Loss) Debt Instrument, Cash Interest Percentage Debt Instrument, Cash Interest Percentage Cash interest percentage Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Goodwill impairment charge Goodwill, Impairment Loss Impairment charge Goodwill impairment charge Milestone Payment Axis Milestone payment axis Cash and Cash Equivalents [Domain] Cash and Cash Equivalents [Domain] Debt Instrument Imputed Interests Debt instrument imputed interests. Imputed interest and fair value adjustments Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Schedule of prepaid expenses and other current assets. Schedule Of Prepaid Expenses And Other Current Assets [Table Text Block] Schedule of Prepaid Expenses and Other Current Assets Preferred Stock, Value, Issued Preferred stock, $0.001 par value, 10,000,000 authorized, no shares issued and outstanding as of March 31, 2026 and December 31, 2025, respectively. Minimum [Member] Minimum Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value RSAs Granted (in USD per share) Financial Instrument [Axis] Financial Instrument [Axis] Assets, Current [Abstract] Current assets: Class of Warrant or Right, Number of Securities Called by Each Warrant or Right Warrants exercised Fair Value, Inputs, Level 3 [Member] Level 3 Liabilities, Fair Value Disclosure [Abstract] Liabilities: Revenue Two Point Five [Member] Revenue Two Point Five [Member] Equal to 2.5% Remuneration payable period Remuneration payable period. Remuneration Payable Period Pre-funded warrants Incremental Common Shares Attributable to Dilutive Effect of Prefunded Warrants Incremental common shares attributable to dilutive effect of prefunded warrants. Segment Reporting [Abstract] Description of debt instrument amendment period Description of Debt Instrument Amendment Period Description of debt instrument amendment period. Plus 1.0% Revenue One Point Zero [Member] Revenue one point zero. Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Schedule of Financial Assets and Liabilities to Fair Value Measurements on Recurring Basis Fair Value, Assets Measured on Recurring Basis [Table Text Block] Schedule of Fair Values of Cash, Cash Equivalents, and Short-Term Investments Measured at Fair Value on Recurring Basis Liabilities, Current [Abstract] Current liabilities: Tax Credit Carryforward [Table] European Investment Bank Loan, Tranche A European Investment Bank Loan, Tranche A [Member] EIB Loan, Tranche A Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Unvested, Ending Balance (in USD per share) Unvested, Beginning Balance (in USD per share) Share Based Compensation Post-Termination Exercise Window Share based compensation post-termination exercise window. Post-termination exercise window General and Administrative Expense [Member] General and administrative expense Indefinite-Lived Intangible Assets [Line Items] Indefinite-Lived Intangible Assets [Line Items] Operating Lease, Liability Total remaining lease liability Total lease liabilities Deferred Compensation Liability, Current Personnel expenses European Investment Bank Loan, Tranche C European Investment Bank Loan, Tranche C [Member] EIB Loan Tranche C Stockholders' Equity, Reverse Stock Split Reverse stock split Schedule of Goodwill [Table Text Block] Schedule Carrying Amount of Goodwill European Investment Bank Loan, Tranche D European Investment Bank Loan, Tranche D [Member] EIB Loan ,Tranche D Schedule of cash, cash equivalents, and investments. Schedule Of Cash Cash Equivalents And Investments [Table Text Block] Schedule of Fair Values of Cash, Cash Equivalents, and Short-Term Investments Measured at Fair Value on Recurring Basis Reductions in research and development expense. Reductions in Research and Development Expense Reductions in research and development expense Tax Credit Carryforward [Line Items] Gain on settlement of accounts payable Gain (Loss) On Settlement Of Accounts Payable Gain (loss) on settlements of accounts payable. Gain on settlement Reportable Segment Reportable Segment [Member] Reportable Segment Weighted Average Number of Shares Outstanding, Basic Weighted average shares of common stock outstanding - basic (in shares) Weighted Average Number of Shares Outstanding, Basic, Total Weighted average shares of common stock outstanding - basic (in shares) Restricted stock awards. Restricted Stock Awards [Member] Restricted Stock Awards Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Intrinsic Value Options exercisable as of March 31, 2026 Incremental compensation expense Share-Based Payment Arrangement, Plan Modification, Incremental Cost Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table] Segments [Axis] Segments [Axis] Long-Lived Tangible Asset [Domain] Long-Lived Tangible Asset Proceeds from Issuance of Private Placement Aggregate gross proceeds of private placement Tabular disclosure of accrued severance. 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