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Disclosure - Subsequent Events - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink Proceeds from sales of property and equipment Proceeds from Sale of Property, Plant, and Equipment Proceeds from sale of equipment Additional milestone payment. Additional Milestone Payment Additional milestone payment Restructuring Reserve Restructuring Reserve, Total Restructuring reserve Balance at March 31, 2026 Balance at December 31, 2025 Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Statement of Financial Position Location, Balance [Domain] Balance Sheet Location Potential future sale milestone payments. Potential Future Sale Milestone Payments Potential future sale milestone payments Plan Name Plan Name [Axis] More Than 12 Months Unrealized Losses More Than 12 Months Unrealized Losses Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer Entity Current Reporting Status Entity Current Reporting Status Operating Expenses [Abstract] Operating expenses: Fair Value, Inputs, Level 2 [Member] Level 2 Commitments and Contingencies Disclosure [Text Block] Commitments and Contingencies Common Stock, Shares Authorized Common stock, shares authorized Document Fiscal Period Focus Document Fiscal Period Focus Lessee operating sublease income due year two. Lessee Operating Sublease Income Due Year Two Sublease Income, 2028 ASU 2023-09 Accounting Standards Update 2023-09 [Member] Entity Shell Company Entity Shell Company Other Accrued Liabilities, Current Accrued other Cash and Cash Equivalent Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value, Total Cash and Cash Equivalents, at Carrying Value, Beginning Balance Cash and Cash Equivalents, at Carrying Value, Ending Balance Operating Lease, Impairment Loss Asset impairment related to operating lease right-of-use assets Common Stock, Shares, Issued Common stock, shares, issued Common Stock, Shares, Issued, Total Asset Class Asset Class [Domain] Statement [Table] Statement [Table] Restricted Cash, Noncurrent Restricted cash, non-current Schedule of supplemental cash flow information related to leases. Schedule Of Supplemental Cash Flow Information Related To Leases Table [Text Block] Supplemental Cash Flow Information Related to Leases Share-Based Compensation Arrangement by Share-Based Payment Award, Purchase Price of Common Stock, Percent Purchase price of stock as percentage of fair market value Statement [Line Items] Statement [Line Items] Contract with customer liability increase for variable consideration. Contract With Customer Liability Increase For Variable Consideration Addition - amount billed for research and development services Entity Filer Category Entity Filer Category Reclassification, Comparability Adjustment [Policy Text Block] Reclassification Total liabilities and stockholders' equity Liabilities and Equity Payments to Acquire Marketable Securities Purchases of marketable securities Payments to Acquire Marketable Securities, Total Long-Lived Tangible Asset [Axis] Long-Lived Tangible Asset Prepaid Expenses and Other Current Assets [Member] Prepaid Expenses and Other Current Assets Restructuring and Related Costs [Table Text Block] Schedule of Restructuring and Other Charges Subsequent Event [Line Items] Common Stock Options Issued and Outstanding Asset-Backed Securities [Member] Asset Backed Securities Research and development services receivables Research and Development Services Receivables under Collaboration Agreement Research and development dervices receivables under collaboration agreement. Additional Paid in Capital, Common Stock Additional paid-in capital Additional Paid in Capital, Common Stock, Beginning Balance Additional Paid in Capital, Common Stock, Ending Balance Laboratory Equipment [Member] Laboratory equipment. Laboratory Equipment Significant Accounting Policies [Text Block] Summary of Significant Accounting Policies Property, Plant and Equipment [Line Items] Property Plant And Equipment [Line Items] Operating lease area of property area of property subleased. Operating Lease Area Of Property Area Of Property Subleased Operating lease, area of property subleased Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross Options granted Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Computation of Basic and Diluted Net Loss per Share Attributable to Common Stockholders, which excludes Shares Legally Outstanding Earnings Per Share, Basic, Total Earnings Per Share, Basic Net loss per share attributable to common stockholders, basic Net loss per share, basic Schedule of Available-for-Sale Securities Reconciliation [Table Text Block] Schedule of Marketable Securities Classified as Available-for-sale Securities Liabilities, Current Total current liabilities Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract] Adjustments to reconcile net loss to net cash used in operating activities: Royalty payments Royalty payments. Royalty Payments Accounting Standards Update [Axis] Restructuring and Related Cost, Number of Positions Eliminated, Period Percent Number of positions to be reduced, percentage Equity, Attributable to Parent [Abstract] Stockholders' equity: Entity Small Business Entity Small Business Retained Earnings (Accumulated Deficit) Accumulated deficit Retained Earnings (Accumulated Deficit), Total Retained Earnings (Accumulated Deficit), Beginning Balance Retained Earnings (Accumulated Deficit), Ending Balance Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures in Period Number of stock options, canceled Right to terminate sublease prior to expiration date minimum period Right To Terminate Sublease Prior to Expiration Date Minimum Period Right to terminate sublease prior to expiration date minimum period. Share-Based Payment Arrangement [Text Block] Stock-Based Compensation Organization, Consolidation and Presentation of Financial Statements [Abstract] Contract with Customer, Liability Beginning Balance Ending Balance Contract liabilities Contract with Customer, Liability, Total Amendment Flag Amendment Flag Earnings Per Share, Policy [Policy Text Block] Net Loss Per Share Liabilities and Equity [Abstract] Liabilities, and stockholders' equity Entity Address, Postal Zip Code Entity Address, Postal Zip Code Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Net cash used in operating activities Segment Reporting, CODM, Profit (Loss) Measure, How Used, Description Common Stock [Member] Common Stock Accounting Standards Update and Change in Accounting Principle [Table] Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Weighted-average Exercise price Lessee, Operating Lease, Liability, to be Paid, Year Three Operating Leases, 2029 Operating lease, area of property, additional space available Operating Lease Area Of Property Additional Space Available For Lease Operating lease, area of property, additional space available for lease. Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Less accumulated depreciation and amortization Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Total Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Beginning Balance Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Ending Balance Accumulated amortization More Than 12 Months Estimated Fair Value Debt Securities Available For Sale Continuous Unrealized Loss Position 12Months Or Longer Estimated Fair Value Debt securities available for sale continuous unrealized loss position 12months or longer estimated fair value. Entity Address, Address Line One Entity Address, Address Line One Change in Accounting Principle, Accounting Standards Update, Immaterial Effect [true false] Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3 Fair value, asset, transfers out of level 3 Fair Value Hierarchy and NAV [Axis] Level 2 Earnings Per Share [Abstract] Statement of Financial Position Location, Balance [Axis] Balance Sheet Location Operating Lease, Right-of-Use Asset Operating lease right-of-use assets Total Unrealized Losses Total Unrealized Losses Debt Securities, Available-for-Sale, Unrealized Loss Position Total Unrealized Losses Reconciliation of cash cash equivalents and restricted cash. Reconciliation Of Cash Cash Equivalents And Restricted Cash [Abstract] Reconciliation of cash, cash equivalents and restricted cash: Document Type Document Type Collaborative Arrangement and Arrangement Other than Collaborative [Axis] Collaborative Arrangement and Arrangement Other than Collaborative Collaborative Arrangement and Arrangement Other than Collaborative [Domain] Collaborative Arrangement and Arrangement Other than Collaborative Entity Central Index Key Entity Central Index Key Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation NET (DECREASE) INCREASE IN CASH Subsequent Event Type [Domain] Accrued restructuring charges Accrued Restructuring Charges Accrued restructuring charges. Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Potentially dilutive securities not included in the calculation of diluted net loss per share Balance Sheet Related Disclosures [Abstract] Common Stock, Par or Stated Value Per Share Accounting Standards Update [Domain] Operating Lease, Right-of-Use Asset, Periodic Reduction Non-cash lease expense Debt Securities, Available-for-Sale, Amortized Cost Amortized Cost Debt Securities, Available-for-Sale Estimated Fair Value Debt Securities, Available-for-sale, Total Issuance of common stock upon exercise of stock options, Shares Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period Restructuring and Related Cost, Expected Cost Restructuring and Related Cost, Expected Cost, Total Expected restructuring charges to be incurred Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items] Current Fiscal Year End Date Current Fiscal Year End Date Increase decrease in operating lease liabilities. Increase Decrease In Operating Lease Liabilities Operating lease liabilities Consulting Agreement [Member] Consulting agreement. Consulting Agreement Document Quarterly Report Document Quarterly Report Entity Address, State or Province Entity Address, State or Province Genmab Agreement [Member] Genmab Agreement [Member] Genmab Agreement Toray Development Agreement Toray development agreement. Toray Development Agreement [Member] Toray Agreement Comprehensive Income (Loss), Net of Tax, Attributable to Parent Comprehensive loss Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Gain, before Tax Unrealized Gains Common Stock, Capital Shares Reserved for Future Issuance Common stock reserved for issuance Contract with Customer, Liability, Revenue Recognized Revenue recognized Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block] Summary of Components of Stock-Based Compensation Expense Recognized Stock Issued During Period, Value, Stock Options Exercised Issuance of common stock upon exercise of stock options Collaborative Arrangement Disclosure [Text Block] Collaborations Proceeds from Sale and Maturity of Marketable Securities Maturities of marketable securities Proceeds from Sale and Maturity of Marketable Securities, Total Subsequent Event [Member] Subsequent Event Deferred Revenue, Current Deferred revenue Deferred Revenue, Current, Total Other Assets, Noncurrent Other assets Other non-current assets Antidilutive Securities [Axis] Antidilutive Securities Commitments and contingencies. Commitments And Contingencies [Line Items] Commitments And Contingencies [Line Items] AOCI Attributable to Parent [Member] Accumulated Other Comprehensive Income Segment Expenses Segment expenses. Total segment expenses Total segment expenses Accrued expenses and other current liabilities. Accrued Expenses And Other Current Liabilities Accrued expenses and other current liabilities Total Minimum [Member] Minimum Financial Instrument [Axis] Assets, Current [Abstract] Current assets: Research and development expenses Segment Research and Development Expenses Segment research and development expenses. Fair Value, Inputs, Level 3 [Member] Level 3 Segment Reporting [Abstract] Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Schedule of Fair Values of Assets Measured at Fair Value on Recurring Basis Liabilities, Current [Abstract] Current liabilities: Restructuring Restructuring and Related Activities Disclosure [Text Block] Stanford agreement. Stanford Agreement [Member] Stanford Agreement Beginning Balance, Shares Shares, Outstanding Ending Balance, Shares Debt Securities, Available-for-Sale, Unrealized Loss Position, Fair Value [Table Text Block] Schedule of Gross Unrealized Losses and Fair Value of Company's Available-for-Sale Securities Sublease Income Sublease income Other Income Other income, net Lessee, Operating Lease, Renewal Term Operating lease, extended additional term Collaboration agreement stock purchase price. Collaboration Agreement Stock Purchase Price Purchase price under Stock Purchase Agreement Commitments and Contingencies Commitments and contingencies (Note 6) General and Administrative Expense [Member] General and Administrative Operating Lease, Liability Operating lease liabilities Stockholders' Equity, Reverse Stock Split Reverse stock split Restricted cash Restricted Cash, Current Lessee operating sublease income remainder of fiscal year. Lessee Operating Sublease Income Receivable Remainder Of Fiscal Year Sublease Income, 2026 Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Net loss Net Income (Loss), Including Portion Attributable to Noncontrolling Interest, Total Commitments and contingencies. Commitments And Contingencies [Table] Commitments And Contingencies [Table] Weighted Average Number of Shares Outstanding, Basic Weighted-average shares outstanding, basic Weighted average number of shares outstanding, basic Weighted average common shares outstanding - basic Plan offering period. Plan Offering Period Plan offering period Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table] Lessee operating sublease income. 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Two Thousand Twenty One Employee Stock Purchase Plan [Member] 2021 Employee Stock Purchase Plan APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Stock-based compensation APIC, Share-based Payment Arrangement, Increase for Cost Recognition, Total Operating lease, area of property, additional space remaining. Operating Lease Area Of Property Additional Space Remaining Operating lease, area of property, additional space remaining Equity, Attributable to Parent Ending Balance Beginning Balance Total stockholders' equity Basis of Accounting, Policy [Policy Text Block] Basis of Presentation Lessee, Operating Lease, Existence of Option to Extend [true false] Operating lease, option to extend Statement of Stockholders' Equity [Abstract] Facilities Expenses Facilities expenses Facilities expense Operating lease, sublease, area of property leased. Operating Lease Sublease Area Of Property Leased Sublease, area of property leased Use of Estimates, Policy [Policy Text Block] Use of Estimates Leasehold Improvements [Member] Leasehold Improvements Financing Receivable, Allowance for Credit Loss Allowance for credit losses Fair Value Disclosures [Text Block] Fair Value Measurements and Fair Value of Financial Instruments Segment Reporting, CODM, Individual Title and Position or Group Name [Extensible Enumeration] Plan Name Plan Name [Domain] 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] Lessee, Operating Lease, Liability, to be Paid, Fiscal Year Maturity [Abstract] Operating Leases Restructuring Plan [Axis] Fair Value, Measurement with Unobservable Inputs Reconciliation, Liability, Transfers Into Level 3 Fair value, liability, transfers into level 3 Weighted Average Number of Shares, Common Stock Subject to Repurchase or Cancellation Weighted average common stock outstanding subject to repurchase related to unvested early exercised stock options and restricted stock awards Entity Address, City or Town Entity Address, City or Town Common stock outstanding subject to repurchase related to unvested early exercised stock options and restricted stock awards. Common Stock Outstanding Subject To Repurchase Related To Unvested Early Exercised Stock Options And Restricted Stock Awards [Member] Common Stock Outstanding Subject to Repurchase Related to Unvested Early Exercised Stock Options and Restricted Stock Awards Less Than 12 Months Estimated Fair Value Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than 12Months Estimated Fair Valued Debt securities available for sale continuous unrealized loss position less than 12months estimated fair valued. Security Exchange Name Security Exchange Name Property, Plant and Equipment, Gross Property and equipment, gross Cost of equipment Lessee operating sublease income due year three. Lessee Operating Sublease Income Due Year Three Sublease Income, 2029 Non Board Compensation Amount Threshold Non board compensation amount threshold. Non Board compensation amount threshold Percentage of eligible compensation for payroll deductions to purchase stock. Percentage Of Eligible Compensation For Payroll Deductions To Purchase Stock Percentage of eligible compensation for payroll deductions to purchase stock Antidilutive Securities, Name [Domain] Antidilutive Securities, Name Operating lease, area of property available for lease. Operating Lease Area Of Property Available For Lease Operating lease, area of property available Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Total cash, cash equivalents and restricted cash Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Beginning Balance Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Ending Balance Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table] Schedule Of Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Table] Statistical Measurement [Domain] Statistical Measurement Total current assets Assets, Current Share-Based Payment Arrangement, Expense Stock-based compensation expense Document Period End Date Document Period End Date Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV General and administrative expenses Segment General and Administrative Expenses Segment general and administrative expenses. Gain (Loss) on Disposition of Property Plant Equipment Gain (Loss) on Disposition of Property Plant Equipment, Total Gain on sale of property and equipment Gain on sale of property and equipment Statement of Financial Position [Abstract] Antidilutive Security, Excluded EPS Calculation [Table] Schedule Of Antidilutive Securities Excluded From Computation Of Earnings Per Share [Table] Class of Stock [Axis] Class of Stock Operating lease, area of property, extension space available Operating Lease Area Of Property Extension Space Available For Lease Operating lease, area of property, extension space available for lease. Accounting Standards Update 2025-05 [Member] Accounting Standards Update 2025-05. ASU 2025-05 Liabilities Total liabilities Tenant Improvements Tenant improvement allowance Financial Instruments [Domain] Increase (Decrease) in Deferred Revenue Deferred revenue Restructuring Reserve, Accrual Adjustment Adjustments in the period Lessee, Operating Lease, Liability, to be Paid, Year Two Operating Leases, 2028 Chesapeake master lease. Chesapeake Master Lease [Member] Chesapeake Master Lease Weighted Average Number of Shares Outstanding, Diluted Weighted average common shares outstanding - diluted Weighted average common shares outstanding - diluted Weighted-average shares outstanding, diluted Securities Act File Number Entity File Number OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, after Tax Unrealized gain (loss) on available-for-sale investments Net unrealized gain (loss) on marketable securities Cover [Abstract] Other segment expenses Other Expenses Increase (Decrease) in Accounts Payable and Accrued Liabilities Accounts payable and accrued expenses Increase (Decrease) in Accounts Payable and Accrued Liabilities, Total Prepaid Expense and Other Assets, Current Prepaid expenses and other current assets Prepaid expenses and other current assets Share-Based Compensation Arrangement by Share-Based Payment Award, Percentage of Outstanding Stock Maximum Percentage equal to number of shares of common stock outstanding Fair Value, Measurement with Unobservable Inputs Reconciliation, Liability, Transfers out of Level 3 Fair value, liability, transfers out of level 3 Supplemental Balance Sheet Disclosures [Text Block] Balance Sheet Components October Two Thousand Twenty Five Restructuring Plan [Member] October two thousand twenty five restructuring plan. October 2025 Restructuring Plan US Treasury Securities [Member] U.S. Treasury Securities Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized Shares authorized for issuance Number of Operating Segments Number of operating segment Segment Reporting Segment Reporting Disclosure [Text Block] General and Administrative Expense General and administrative General and Administrative Expense, Total Operating lease, sublease, area of property, expected to be leased. Operating Lease Sublease Area Of Property Expected To Be Leased Sublease, area of property expected to be leased Revenue Revenue from Contract with Customer, Including Assessed Tax Lessee operating sublease income due after year four. Lessee Operating Sublease Income Due After Year Four Sublease Income, Thereafter Subsequent Event [Table] Restructuring Charges, Total Restructuring Charges Restructuring charges New Accounting Pronouncements, Policy [Policy Text Block] Recent Accounting Standards Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items] Contract with Customer, Liability, Current Contract liability, current Gain (Loss) on Disposition of Assets Gain on disposal of equipment Gain on sale of fixed assets Schedule of lessee operating lease liabilities and sublease income to be received. Schedule Of Lessee Operating Lease Liabilities And Sublease Income To Be Received Table [Text Block] Schedule by Year for Future Maturities of Operating Lease Liabilities and Sublease Income to be Received Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period Vesting Period Depreciation Depreciation expense Depreciation, Total Lessee, Operating Lease, Term of Contract Operating lease, initial term of contract Long-Term Investments Long-term investments Long-term Investments, Total Lessee operating sublease income due next twelve months. 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Variable Consideration Related To Reimbursements For Research And Development Services Variable consideration related to reimbursements for research and development services Issuance of common stock upon initial public offering, net of issuance costs of $22,541 Consideration in excess of fair value Aggregate offering price Earnings Per Share [Text Block] Net Loss Per Share Net loss Net loss Series T convertible preferred stock . Series T Convertible Preferred Stock [Member] Series T Convertible Preferred Stock Operating Lease, Cost Total operating lease cost Total segment and operating expenses Segment and Operating Expenses Segment and operating expenses. Total segment and operating expenses Operating Lease, Payments Operating cash outflows from operating leases Assets [Abstract] Assets Increase (Decrease) in Prepaid Expense and Other Assets Prepaid expenses and other assets Increase (Decrease) in Prepaid Expense and Other Assets, Total Restructuring and Related Activities [Abstract] Document Fiscal Year Focus Document Fiscal Year Focus Upfront payment received. Upfront Payment Received Upfront payment received Reverse stock split policy. Reverse Stock Split Policy [Text Block] Reverse Stock Split Risks and Uncertainties Risks and uncertainties. Risks And Uncertainties [Policy Text Block] Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] CASH FLOWS FROM INVESTING ACTIVITIES: Accounts Payable, Current Accounts payable Accounts Payable, Current, Total Research and Development Expense [Member] Research and Development Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] Schedule of Changes in Contract Liability Restructuring Cost and Reserve [Line Items] Debt Securities, Available-for-Sale, Unrealized Loss Position [Line Items] Fair Value Disclosures [Abstract] Commitments and Contingencies Disclosure [Abstract] Lessee, Operating Lease, Liability, to be Paid, Year One Operating Leases, 2027 Debt Securities, Available-for-Sale, Unrealized Loss Position, Fair Value [Table] Share-Based Payment Arrangement [Abstract] Assets, Fair Value Disclosure Total asset Assets, Fair Value Disclosure, Total Lessee, Operating Sublease, Existence of Option to Extend [true false] Operating sublease, option to extend Lessee, Operating Sublease, Option to Extend Operating sublease, option to extend, description Revenues Collaboration revenue Revenues, Total Net cash provided by investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3 Fair value, asset, transfers into level 3 Title of 12(b) Security Title of 12(b) Security Investment Income, Net Interest income, net Investment Income, Net, Total Money Market Funds [Member] Money Market Funds Collaborative Arrangement and Arrangement Other than Collaborative [Table] Schedule Of Collaborative Arrangements And Noncollaborative Arrangement Transactions [Table] Consulting Agreements Consulting Agreements. Consulting Agreements [Member] Lessee, Operating Lease, Liability, to be Paid, Remainder of Fiscal Year Operating Leases, 2026 Other Liabilities, Noncurrent Other long-term liabilities Other Liabilities, Noncurrent, Total Restructuring Plan [Domain] Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital [Abstract] Changes in operating assets and liabilities: Property, Plant and Equipment [Table Text Block] Property and Equipment, Net Innovent Agreement Innovent Agreement [Member] Innovent Agreement. Fair Value, Recurring and Nonrecurring [Table] Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Table] Additional Paid-in Capital [Member] Additional Paid-In Capital Measurement Frequency [Domain] Measurement Frequency Statement of Income Location, Balance [Axis] Income Statement Location Change in Accounting Principle, Accounting Standards Update, Adoption Date Trading Symbol Trading Symbol Subsequent Event Type [Axis] Employee-related Liabilities, Current Accrued compensation Employee-related Liabilities, Current, Total Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] CASH FLOWS FROM FINANCING ACTIVITIES: Fair Value, Recurring [Member] Recurring Basis Entity Ex Transition Period Entity Ex Transition Period Lessee, Operating Lease, Liability, to be Paid Operating Leases, Total lease payments Lessee, Operating Lease, Liability, Undiscounted Excess Amount Less imputed interest Equity Components [Axis] Equity Components Total other income, net Nonoperating Income (Expense) Equity Component [Domain] Equity Component Asset Class [Axis] Asset Class Deferred Revenue, Noncurrent Deferred revenue, non-current Deferred Revenue, Noncurrent, Total Stock Issued During Period, Shares, Employee Stock Purchase Plans Issuance of common stock under employee stock purchase plan, Shares Aggregate millstone payments. Aggregate Millstone Payments Aggregate millstone payments Operating sublease income receivable. Operating Sublease Income Receivable [Abstract] Sublease Income Maximum [Member] Maximum Statistical Measurement [Axis] Statistical Measurement Contract with Customer, Liability, Noncurrent Contract liability, non-current Common Stock, Value, Issued Common Stock, Value, Issued, Total Common Stock, Value, Issued, Beginning Balance Common Stock, Value, Issued, Ending Balance Common stock, $0.00001 par value; 200,000,000 shares authorized at March 31, 2026 and December 31, 2025; 1,921,567 and 1,920,566 shares issued and outstanding at March 31, 2026 and December 2025, respectively Consolidation, Policy [Policy Text Block] Consolidation Laboratory Equipment Equipment [Member] Equipment Accrued interest receivable on available-for-sale securities Accrued Interest Receivable On Available-For-Sale Securities Accrued Interest Receivable On Available-For-Sale Securities. Vesting Of restricted stock units Vesting Of Restricted Stock Units Vesting of restricted stock units Allowance For Credit Losses [Policy Text Block] Allowance for credit losses. Allowance for Credit Losses Liquidity and Going Concern [Policy Text Block] Liquidity and going concern. Liquidity and Going Concern Entity Registrant Name Entity Registrant Name Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Loss, before Tax Unrealized Losses Subsequent Events [Abstract] Increase decrease in operating lease sublease area of property leased. Increase Decrease In Operating Lease Sublease Area Of Property Leased Increase decrease in operating lease sublease area of property leased Measurement Frequency [Axis] Measurement Frequency Proceeds from Issuance of Common Stock Proceeds from issuance of common stock Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Share Based Compensation Arrangement By Share Based Payment Award [Line Items] Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Concentration Risk, Credit Risk, Policy [Policy Text Block] Concentrations of Credit Risk Accumulated Other Comprehensive Income (Loss), Net of Tax Accumulated Other Comprehensive Income (Loss), Net of Tax, Total Accumulated other comprehensive loss Cash payments Payments for Restructuring Cash payments Payments to Acquire Property, Plant, and Equipment Purchases of property and equipment Purchases of property and equipment Assets Total assets Property, Plant and Equipment [Table] Schedule Of Property Plant And Equipment [Table] Income Statement [Abstract] Restructuring Cost [Table] Accrued research and development, current. Accrued Research And Development Current Accrued research and development Summary of Significant Accounting Policies. Summary Of Significant Accounting Policies [Line Items] Summary Of Significant Accounting Policies [Line Items] Aggregate stock sold Issuance of common stock upon initial public offering, net of issuance costs of $22,541, Shares Common stock sold Earnings Per Share, Diluted, Total Earnings Per Share, Diluted Net loss per share attributable to common stockholders, diluted Net loss per share, diluted Schedule of Segment Reporting Information, by Segment [Table Text Block] Schedule of Significant Segment Expenses City Area Code City Area Code Lessee Operating Sublease Term of Contract Lessee operating sublease term of contract. Sublease term expires Allocated stock purchase agreement. Allocated Stock Purchase Agreement Allocated from stock purchase agreement Restricted cash Restricted Cash and Cash Equivalent, Current Restricted Cash and Cash Equivalents, Current, Total Operating Lease, Weighted Average Remaining Lease Term Weighted-average remaining lease term Sublease expiration date Lease Expiration Date Consulting Agreement [Policy Text Block] Consulting agreement. Consulting Agreement with Jakob Dupont, M.D. Property, Plant and Equipment, Net Property and equipment, net Total Net book value of equipment Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Including Discontinued Operation Cash, cash equivalents and restricted cash at end of period Cash, cash equivalents and restricted cash at beginning of year Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations, Total Operating Income (Loss) Loss from operations Retained Earnings [Member] Accumulated Deficit Share-Based Payment Arrangement, Noncash Expense Stock-based compensation expense Share-based Payment Arrangement, Noncash Expense, Total Restructuring and Related Cost, Number of Positions Eliminated Number of employee reduction Less Than 12 Months Unrealized Losses Less Than 12 Months Unrealized Losses Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months Operating Lease, Weighted Average Discount Rate, Percent Weighted-average discount rate Operating Lease, Liability, Noncurrent Operating lease liabilities, net of current portion Fair Value, Inputs, Level 1 [Member] Level 1 Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Net cash provided by financing activities Lease, Cost [Table Text Block] Components of Lease Expense Change in Accounting Principle, Accounting Standards Update, Adopted [true false] Nonoperating Income (Expense) [Abstract] Other income (expense), net: US Government Corporations and Agencies Securities [Member] Other Agency Securities Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] Potentially Dilutive Securities not Included in the Calculation of Diluted Net Loss per Share Corporate Debt Securities [Member] Corporate Debt Securities Entity Interactive Data Current Entity Interactive Data Current Statement of Income Location, Balance [Domain] Income Statement Location Other Income [Member] Other Income Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] CASH FLOWS FROM OPERATING ACTIVITIES: Accretion (Amortization) of Discounts and Premiums, Investments Accretion of discount on marketable securities Increase (Decrease) in Other Noncurrent Liabilities Other long-term liabilities Entity Tax Identification Number Entity Tax Identification Number Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Description of the Business Local Phone Number Local Phone Number Weighted Average Number of Shares Outstanding, Diluted [Abstract] Denominator: Weighted average number of shares outstanding. Weighted Average Number Of Shares Outstanding Weighted average common shares outstanding Accounting Policies [Abstract] Two thousand twenty one equity incentive plan. Two Thousand Twenty One Equity Incentive Plan [Member] 2021 Plan Lessee operating lease liability payments due after year four. Lessee Operating Lease Liability Payments Due After Year Four Operating Leases, Thereafter Net Income (Loss) Attributable to Parent [Abstract] Numerator: Clinical trial expenses Clinical Trial Expenses Clinical trial expenses. Lessee operating sublease income due year four. Lessee Operating Sublease Income Due Year Four Sublease Income, 2030 Lessee, Operating Lease, Liability, to be Paid, Year Four Operating Leases, 2030 Class of Stock [Domain] Class of Stock Commercial Paper [Member] Commercial Paper Personnel related costs Labor and Related Expense Office Equipment [Member] Office Equipment Cash, Cash Equivalents, and Short-Term Investments, Total Cash, Cash Equivalents, and Short-Term Investments Cash and cash equivalents and marketable securities Schedule of Accounts Payable and Accrued Liabilities [Table Text Block] Accrued Expenses and Other Current Liabilities Entity Emerging Growth Company Entity Emerging Growth Company