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Vesting [Domain] Changes in operating assets and liabilities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital [Abstract] Stock shares issued during the period new issues shares Stock shares issued during the period shares Stock Issued During Period, Shares, New Issues Debt Issuance Costs Paid To Third Parties. Debt issuance costs paid to third parties. Debt issuance costs paid to third parties Exit Fees, Debt Issuance Costs The exit fees associated with debt issuance costs. 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Shares Reserved For ESPP Purchases Risk-free rate, Minimum Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Minimum Accumulated Deficit [Member] Retained Earnings [Member] Employees [Member] Share-Based Payment Arrangement, Employee [Member] Entity Registrant Name Accounting Policies [Abstract] Debt Securities, Available-for-Sale, Unrealized Gain Unrealized Gains Employer contributions Defined Contribution Plan, Employer Discretionary Contribution Amount Accretion Of Loan Exit Fee And Amortization Of Loan Costs Accretion of loan exit fee and amortization of loan costs. Accretion of loan exit fee and amortization of loan costs Collaborative Arrangement Milestone Payable on Aggregate Annual Sales Net2 Collaborative arrangement milestone payable on aggregate annual sales net2. Collaborative Arrangement Milestone Payable on Aggregate Annual Sales Net2 Percentage of Old Debt Exit Fee Waived in Connection With The Refinancing Percentage of old debt exit fee waived in connection with the refinancing. Percentage of old debt exit fee waived in connection with the refinancing Entity Address, Address Line One Redeemable convertible preferred stock Redeemable Convertible Preferred Stock [Member] Number of Options, Exercised Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period Weighted Average Exercise Price, Option exercisable Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Exercise Price Total current assets Assets, Current Class of Stock Disclosures [Abstract] Related Party Transactions Related Party Transactions Disclosure [Text Block] Entity Small Business 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 Accrued Exit Fees Net of Unamortized Issuance Costs Accrued exit fees net of unamortized issuance costs. Accrued exit fees net of unamortized issuance costs Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Weighted Average Grant Date Fair Value, Cancelled and Forfeited Significant Accounting Policies [Text Block] Significant Accounting Policies Net Proceeds From Refinancing Under Loan and Security Agreement Net of Costs Net proceeds from refinancing under loan and security agreement net of costs. Proceeds from refinancing under loan and security agreement, net Regulatory Approval In The U S [Member] Regulatory Approval In The U.S [Member] regulatory approval in the U.S. Consolidation Items [Domain] Accrued payroll Employee-related Liabilities, Current Employee-related Liabilities, Current, Total Tranche E [Member] Tranche E. Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Other Financial Statement Information Other Financial Statement Information [Text Block] Other Financial Statement Information. Earnings Per Share [Abstract] Summary of Share-based Compensation Arrangements by Share-based Payment Award Disclosure of Share-Based Compensation Arrangements by Share-Based Payment Award [Table Text Block] Lessee, Operating Lease, Liability, to be Paid, Year Four 2029 Plan Name [Axis] Product and Service [Domain] Equity [Text Block] Stockholders' Equity Common stock issued pursuant to underwriters option shares Common Stock Issued During Period Underwriters Option Shares Common stock issued during period underwriters option shares. Cash flows from financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Class A Common Stock Options Issued and Outstanding Class A Common Stock Issued And Outstanding [Member] Class A common stock issued and outstanding. Term Loan [Member] Term Loan [Member] Term loan. Payroll and related Payroll and Related Expenses Payroll and related expenses. Entity Tax Identification Number Equity Component [Domain] Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Comprehensive loss Entity Address, City or Town Prepaid Commercial Costs Prepaid commercial costs. Prepaid commercial planning costs Long-Term Debt, Maturity, Year One 2027 Share Based Payment Arrangement [Table] Share Based Payment Arrangement Table Entity Common Stock, Shares Outstanding Schedule of Debt [Table Text Block] Schedule of Notes Payable US Government Debt Securities [Member] U.S. Government Bonds [Member] Schedule Of Accrued And Other Current Liabilities [Table Text Block] Schedule Of Accrued And Other Current Liabilities Schedule of Accrued Expenses And Other Current Liabilities Milestone payments paid. Milestone Payments Paid Milestone payments paid Antidilutive Security, Excluded EPS Calculation [Table] Stanford University Stanford University [Member] Stanford university. Payments to Acquire Marketable Securities, Total Payments to Acquire Marketable Securities Purchase of marketable securities Debt issuance costs paid to noncurrent deferred financing costs Debt Issuance Costs Paid To Third Parties Allocated To Noncurrent Deferred Financing Costs Debt issuance costs paid to third parties allocated to noncurrent deferred financing costs. Statement [Table] Amount withdrawn from the loan agreement Amount Withdrawn From The Loan Agrrement Amount withdrawn from the loan agreement. Lease, Cost Net lease cost Stock-based compensation expense Share-based Payment Arrangement, Expense Share-Based Payment Arrangement, Expense Segment Reporting, Reconciliation of Profit (Loss) by Segment to Consolidated [Table Text Block] Schedule of Segment Operating Expenses Including Segment Expenses, and Net Loss Entity Shell Company Expected term (in years) Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Term Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Net cash provided by (used in) investing activities Statement [Line Items] Common stock conversion basis Common Stock, Conversion Basis Other Significant Items [Abstract] Other significant items. Other Items: Vested Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period Maximum [Member] Maximum [Member] Debt Disclosure [Abstract] Sale of Stock [Domain] Interest income Investment Income, Interest Repurchase Agreement, Counterparty [Table] Tranche C Member. Tranche C [Member] Tranche C [Member] Amplyx Agreement [Member] Amplyx agreement member. Amplyx Agreement [Member] Event Event [Domain] Event [Domain] Schedule Of Share Based Payment Award Stock Options Valuation Assumptions [Table] Schedule Of Share Based Payment Award Stock Options Valuation Assumptions. Achievement of Various Clinical Development and Regulatory Milestones [Member] Achievement of various clinical development and regulatory milestones member. Achievement of Various Clinical Development and Regulatory Milestones [Member] Contract Manufacturing [Member] Contract Manufacturing [Member] Contract manufacturing. Variable lease cost Variable Lease Cost and Refunds Variable lease cost and refunds. Agreement [Domain] Agreement Domain Stock-based compensation APIC, Share-Based Payment Arrangement, Option, Increase for Cost Recognition Asset Class [Axis] Investments, Debt and Equity Securities [Abstract] Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Weighted Average Grant Date Fair Value, Granted Current assets: Assets, Current [Abstract] Marketable Securities [Line Items] Accretion of Discount and Amortization of Premium on Purchase of Debt Securities Accretion of discount and amortization of premium on purchase of debt securities. Accretion of discount and amortization of premium on purchase of debt securities Leases [Abstract] Document Fiscal Year Focus Common stock, Shares outstanding Common Stock, Shares, Outstanding Common Stock, Shares, Outstanding, Beginning Balance Common Stock, Shares, Outstanding, Ending Balance Line of Credit Exit Fee Percentage The percentage of exit fee payable on the aggregate principal amount of loan, in the event of default or prepayment. Line of credit exit fee percentage Due after one year to two years Available For Sale Securities Debt Maturities After One Through Two Years Fair Value Available for sale securities debt maturities after one through two years fair value. Financial Instruments [Domain] Collaborative Arrangement Milestone Payable on Aggregate Annual Sales Net1 Collaborative arrangement milestone payable on aggregate annual sales net1. Collaborative Arrangement Milestone Payable on Aggregate Annual Sales Net1 Unvested stock options and restricted stock unit. Unvested Stock Options And Restricted Stock Unit [Member] Related Party [Member] Related Party [Member] Ares Trading S A [Member] Ares Trading S A [Member] Ares Trading S A Member Entity Ex Transition Period Operating Lease, Liability, Noncurrent Operating lease liabilities, noncurrent Non-current operating lease liabilities Non-current operating lease liabilities Lessee, Operating Lease, Liability, to be Paid Total minimum lease payments Lease payments under operating leases Other Accrued Liabilities, Current Other Additional paid-in capital Additional Paid in Capital, Common Stock Additional Paid in Capital, Common Stock, Beginning Balance Additional Paid in Capital, Common Stock, Ending Balance Security Exchange Name 2022 ATM facility [Member] Two Thousand Twenty Two ATM facility [Member] Two thousand twenty two ATM facility. Related and Nonrelated Parties [Axis] Recently Adopted Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Licenses [Abstract] Licenses. Entity Address, State or Province Share based compensation, Nonvested awards, Compensation cost not yet recognized period of recognition stock options and equity instruments other than options Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition Expected volatility, Minimum Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Minimum Schedule of Estimated Fair Value of Investments in Available-for-sale Marketable Debt Securities Debt Securities, Available-for-Sale, Unrealized Loss Position, Fair Value [Table Text Block] Net proceeds from this follow-on public offering Proceeds from Follow-on Public Offering Proceeds from Follow-on Public Offering Operating Lease, Right-of-Use Asset Operating lease right-of-use assets Amendment Flag Summary of Share-based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity Stock Compensation Share-Based Payment Arrangement [Text Block] Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table] Sublease Income Sublease income Less: Sublease income Debt Instrument [Axis] Debt Instrument [Axis] SOFR [Member] Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member] Cash and cash equivalents, end of period Cash and cash equivalents, beginning of period Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Total Cash and cash equivalents Debt instrument threshold amount invalidating liquidity covenant Debt Instrument Threshold Amount Invalidating Liquidity Covenant Debt instrument threshold amount which invalidates liquidity covenant upon condition. City Area Code Achievement of Specified Worldwide Aggregate Annual Net Sales Milestones Reach Five Hundred Million [Member] Achievement of specified worldwide aggregate annual net sales milestones reach five hundred million. Achievement of Specified Worldwide Aggregate Annual Net Sales Milestones Reach Five Hundred Million [Member] Stock Issued During Period, Value, Employee Stock Purchase Plan Issuance of common stock pursuant to employee stock purchase plan, value Interest expense Interest Expense, Nonoperating, Total Interest Expense, Nonoperating Debt Principal Balance Of Collateralized Note Debt principal balance of collateralized note. Debt principal balance of collateralized note Percentage Of Prepayment Fee On Old Debt Waived In Connection With The Refinancing Percentage of prepayment fee on old debt waived in connection with the refinancing. Percentage of prepayment fee Accrued Drug Manufacturing Costs Accrued drug manufacturing costs. Accrued drug manufacturing costs Organization, Consolidation and Presentation of Financial Statements [Abstract] Collaborative Arrangement Aggregate Annual Sales Net Threshold Amount For Event Achievement Two Collaborative arrangement aggregate annual sales net threshold amount for event achievement two. Collaborative arrangement aggregate annual sales net threshold 2 Debt Issuance Costs Paid To Third Parties Allocated To Other Nonoperating Expense Debt Issuance costs paid to third parties allocated to other nonoperating expense. Debt Issuance costs paid to third parties allocated to other nonoperating expense Accrued Commercial Expenses Current Carrying value as of the balance sheet date of obligations incurred through that date and payable for commercial expenses. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). Accrued commercial expenses Operating expenses: Operating Expenses [Abstract] Milestone payments payable. Milestone Payments Payable Milestone payments payable Joseph Young [Member] Joseph Young [Member] Joseph Young. Retirement Benefits [Text Block] Employee Benefit Plans Common stock, Par value Common Stock, Par or Stated Value Per Share Common stock, par value Repurchase Agreement Counterparty [Line Items] Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted-Average Remaining Contractual Term Weighted Average Remaining Contractual Life, Options exercisable Number of Options, Vested and expected to vest Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number Total current liabilities Liabilities, Current Marshall Fordyce, M.D. [Member] Marshall Fordyce, M.D. Marshall Fordyce [Member] Depreciation and amortization Depreciation, Amortization and Accretion, Net Depreciation, Amortization and Accretion, Net, Total Collaborative Arrangement Aggregate Annual Sales Net Threshold Amount For Event Achievement One Collaborative arrangement aggregate annual sales net threshold amount for event achievement one. Collaborative arrangement aggregate annual sales net threshold 1 Two Thousand And Seventeen EIP, Two Thousand And Twenty One EIP And Two Thousand And Twenty Four Inducement Plan[Member] Two Thousand And Seventeen EIP, Two Thousand And Twenty One EIP And Two Thousand And Twenty Four Inducement Plan. 2017 EIP, 2021 EIP and 2024 Inducement Plan [Member] Segment Reporting [Text Block] Segment Reporting Summarizes the Unrealized Gains and Losses in Fair Value of the Company's Investments in Debt Securities Debt Securities, Available-for-Sale [Table Text Block] Long-Term Debt, Maturity, Year Four 2030 Trading Symbol Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period Granted Entity Emerging Growth Company Subsegments [Axis] Additional Paid-in Capital [Member] Cash Equivalents And Marketable Securities [Abstract] Cash equivalents and marketable securities abstract. Schedule of Prepaid Expenses and Other Current Assets Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Table Text Block] Two Thousand And Seventeen Equity incentive Plan [Member] Two thousand and seventeen equity incentive plan. 2017 Equity Incentive Plan [Member] Long-Term Debt, Gross Total long-term debt Carrying amount of debt outstanding Clinical Trials [Member] Clinical trials. Clinical Trials [Member] Plan Name [Domain] Other Liabilities, Noncurrent Other liabilities, noncurrent Common Class A [Member] Common Class A [Member] Stock Issued During Period, Shares, Employee Stock Purchase Plans Maximum number of shares authorized Issuance of common stock pursuant to employee stock purchase plan Share based compensation arrangement by share based payment award, Options exercised in period, Total intrinsic value Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period, Intrinsic Value Proceeds from short swing settlement. Proceeds from Short Swing Settlement Proceeds from short swing settlement Cover [Abstract] Segment Reporting, Other Segment Item, Amount Other segment items** Marketable Securities [Table] Operating Lease, Weighted Average Remaining Lease Term Operating lease, weighted average remaining lease term Weighted-average remaining lease term Summary of Share-based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity Share-Based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity [Table Text Block] Debt Securities, Available-for-Sale, Unrealized Gain (Loss) Debt Securities, Available-for-Sale, Unrealized Gain (Loss), Total Change in unrealized gains and losses on marketable securities Accumulated Other Comprehensive Income (Loss), Net of Tax, Total Accumulated Other Comprehensive Income (Loss), Net of Tax Accumulated other comprehensive (loss) income Concentrations of Credit Risk and Other Risks and Uncertainties Concentration Risk, Credit Risk, Policy [Policy Text Block] Stock-based compensation Share-Based Payment Arrangement, Noncash Expense Share-based Payment Arrangement, Noncash Expense, Total Prepaid Medical Affairs Prepaid medical affairs. Prepaid medical affairs costs Tranche B. Tranche B [Member] Adjustments to reconcile net loss to net cash used in operating activities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract] Cash and cash equivalents Cash and Cash Equivalent 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 Cash Employee Stock [Member] Employee Stock Purchase Plan [Member] Net cash provided by financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Debt Securities, Availablen for Sale, Gross Unrealized Gain Debt securities, available-for-sale, gross unrealized gain. Unrealized Gains Achievement Of Specified BLA Filing Or Regulatory Approval Milestones [Member] Achievement Of Specified BLA Filing Or Regulatory Approval Milestones [Member] Achievement Of Specified Bla Filing Or Regulatory Approval Milestones Member Entity Filer Category Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Segment Reporting, CODM, Profit (Loss) Measure, How Used, Description Marketable Securities, Current, Total Marketable Securities, Current Marketable securities Weighted Average Exercise Price, Vested and expected to vest Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price Property, Plant, and Equipment, after Accumulated Depreciation, Depletion, and Amortization Property, Plant and Equipment, Net, Total Property and equipment, net Upfront and Milestone Payments Under License Agreements Upfront and milestone payments under license agreements. Upfront and milestone payments under license agreements Ending Balances, shares Beginning balances, shares Shares, Outstanding Document Information [Line Items] Segment Reporting [Abstract] Other Other Assets, Current Entity Address, Postal Zip Code Statement of Financial Position [Abstract] Local Phone Number