100000 - Document - Document and Entity Information link:presentationLink link:calculationLink link:definitionLink 100010 - Statement - Consolidated Balance Sheets link:presentationLink link:calculationLink link:definitionLink 100020 - Disclosure - Income Taxes - Schedule of Deferred Tax Assets and Liabilities Assets (Details) 2 link:presentationLink link:calculationLink link:definitionLink 100030 - Disclosure - Leases - Summary of Future Minimum Lease Payments Under Operating Leases (Detail) 2 link:presentationLink link:calculationLink link:definitionLink 100040 - Statement - Consolidated Balance Sheets (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 100050 - Statement - Consolidated Statements of Operations and Comprehensive Loss link:presentationLink link:calculationLink link:definitionLink 100060 - Statement - CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY link:presentationLink link:calculationLink link:definitionLink 100070 - Statement - CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 100080 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS link:presentationLink link:calculationLink link:definitionLink 995455 - Disclosure - Nature of the Business and Basis of Presentation link:presentationLink link:calculationLink link:definitionLink 995465 - Disclosure - Summary of Significant Accounting Policies link:presentationLink link:calculationLink link:definitionLink 995475 - Disclosure - Business Combination link:presentationLink link:calculationLink link:definitionLink 995485 - Disclosure - Collaboration Agreements link:presentationLink link:calculationLink link:definitionLink 995495 - Disclosure - Fair Value Measurements link:presentationLink link:calculationLink link:definitionLink 995505 - Disclosure - Marketable Securities link:presentationLink link:calculationLink link:definitionLink 995515 - Disclosure - Supplemental Balance Sheet Information link:presentationLink link:calculationLink link:definitionLink 995525 - Disclosure - Leases link:presentationLink link:calculationLink link:definitionLink 995535 - Disclosure - Commitments and Contingencies link:presentationLink link:calculationLink link:definitionLink 995545 - Disclosure - Redeemable Convertible Preferred Stock link:presentationLink link:calculationLink link:definitionLink 995555 - Disclosure - Common Stock link:presentationLink link:calculationLink link:definitionLink 995565 - Disclosure - Equity Incentive Plans link:presentationLink link:calculationLink link:definitionLink 995575 - Disclosure - Income Taxes link:presentationLink link:calculationLink link:definitionLink 995585 - Disclosure - 401(K) Savings Plan link:presentationLink link:calculationLink link:definitionLink 995595 - Disclosure - Net Loss Per Share link:presentationLink link:calculationLink link:definitionLink 995605 - Disclosure - Summary of Significant Accounting Policies (Policies) link:presentationLink link:calculationLink link:definitionLink 995615 - Disclosure - Summary of Significant Accounting Policies (Tables) link:presentationLink link:calculationLink link:definitionLink 995625 - Disclosure - Business Combination (Tables) link:presentationLink link:calculationLink link:definitionLink 995635 - Disclosure - Fair Value Measurements (Tables) link:presentationLink link:calculationLink link:definitionLink 995645 - Disclosure - Marketable Securities (Tables) link:presentationLink link:calculationLink link:definitionLink 995655 - Disclosure - Supplemental Balance Sheet Information (Tables) link:presentationLink link:calculationLink link:definitionLink 995665 - Disclosure - Leases (Tables) link:presentationLink link:calculationLink link:definitionLink 995675 - Disclosure - Equity Incentive Plans (Tables) link:presentationLink link:calculationLink link:definitionLink 995685 - Disclosure - Income Taxes (Tables) link:presentationLink link:calculationLink link:definitionLink 995695 - Disclosure - Net Loss Per Share (Tables) link:presentationLink link:calculationLink link:definitionLink 995705 - Disclosure - Nature of the Business and Basis of Presentation - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 995715 - Disclosure - Summary of Significant Accounting Policies - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 995725 - Disclosure - Summary of Significant Accounting Policies - Schedule of Reconciliation of Cash and Cash Equivalents and Restricted Cash (Details) link:presentationLink link:calculationLink link:definitionLink 995735 - Disclosure - Summary of Significant Accounting Policies - Summary of Estimated Useful Lives of Property and Equipment (Details) link:presentationLink link:calculationLink link:definitionLink 995745 - Disclosure - Business Combination - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 995755 - Disclosure - Business Combination - Summary of Net Proceeds from Business Combination and PIPE Financing Transactions (Details) link:presentationLink link:calculationLink link:definitionLink 995765 - Disclosure - Business Combination - Summary of Common Stock Outstanding After Consummation of Business Combination and PIPE Financing Transaction (Details) link:presentationLink link:calculationLink link:definitionLink 995775 - Disclosure - Business Combination - Summary of Common Stock Outstanding After Consummation of Business Combination and PIPE Financing Transactions (Parenthetical) (Details) link:presentationLink link:calculationLink link:definitionLink 995785 - Disclosure - Business Combination - Summary of Redeemable Convertible Preferred Stock Issued and Outstanding After Consummation of Business Combination (Details) link:presentationLink link:calculationLink link:definitionLink 995795 - Disclosure - Business Combination - Summary of Weighted-Average Common Shares, Basic and Diluted (Details) link:presentationLink link:calculationLink link:definitionLink 995805 - Disclosure - Collaboration Agreements - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 995815 - Disclosure - Collaboration Agreements - Additional Information (Details1) link:presentationLink link:calculationLink link:definitionLink 995825 - Disclosure - Fair Value Measurements - Summary Financial Assets Measured at Fair Value on a Recurring Basis (Details) link:presentationLink link:calculationLink link:definitionLink 995835 - Disclosure - Fair Value Measurements - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 995845 - Disclosure - Marketable Securities - Summary of Debt Securities, Available For Sale (Details) link:presentationLink link:calculationLink link:definitionLink 995855 - Disclosure - Marketable Securities - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 995865 - Disclosure - Marketable Securities - Summary of Fair value and Gross Unrealized Losses on Securities (Details) link:presentationLink link:calculationLink link:definitionLink 995875 - Disclosure - Supplemental Balance Sheet Information - Schedule of Property, Plant and Equipment (Details) link:presentationLink link:calculationLink link:definitionLink 995885 - Disclosure - Supplemental Balance Sheet Information - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 995895 - Disclosure - Supplemental Balance Sheet Information - Schedule of Accrued Expenses and Other Current Liabilities Current (Details) link:presentationLink link:calculationLink link:definitionLink 995905 - Disclosure - Leases - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 995915 - Disclosure - Leases - Summary of Elements of Lease Cost (Detail) link:presentationLink link:calculationLink link:definitionLink 995925 - Disclosure - Leases - Summary of Future Minimum Lease Payments Under Operating Leases (Detail) link:presentationLink link:calculationLink link:definitionLink 995935 - Disclosure - Commitments and Contingencies - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 995945 - Disclosure - Redeemable Convertible Preferred Stock - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 995955 - Disclosure - Common Stock - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 995965 - Disclosure - Equity Incentive Plans - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 995975 - Disclosure - Equity Incentive Plans - Summary of Restricted Stock Units Activity (Details) link:presentationLink link:calculationLink link:definitionLink 995985 - Disclosure - Equity Incentive Plans - Schedule of Stock Option Activity (Details) link:presentationLink link:calculationLink link:definitionLink 995995 - Disclosure - Equity Incentive Plans - Schedule of Weighted Average Assumptions Used to Estimate Grant Date Fair Value of Stock Options (Details) link:presentationLink link:calculationLink link:definitionLink 996005 - Disclosure - Equity Incentive Plans - Schedule of Stock-based Compensation Expense (Details) link:presentationLink link:calculationLink link:definitionLink 996015 - Disclosure - Income Taxes - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 996025 - Disclosure - Income Taxes - Schedule of Reconciliation of U.S. Federal Statutory Income Tax Rate to Company's Effective Income Tax Rate (Details) link:presentationLink link:calculationLink link:definitionLink 996035 - Disclosure - Income Taxes - Schedule of Deferred Tax Assets and Liabilities Assets (Details) link:presentationLink link:calculationLink link:definitionLink 996045 - Disclosure - 401(K) Savings Plan - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 996055 - Disclosure - Net Loss Per Share - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 996065 - Disclosure - Net Loss Per Share - Schedule of Earnings Per Share, Basic and Diluted (Details) link:presentationLink link:calculationLink link:definitionLink 996075 - Disclosure - Net Loss Per Share - Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share (Details) link:presentationLink link:calculationLink link:definitionLink Auditor Firm ID 2024 Lessee, Operating Lease, Liability, to be Paid, Year One Collaborative Arrangement and Arrangement Other than Collaborative [Domain] Collaborative Arrangement and Arrangement Other than Collaborative Document Transition Report Document Transition Report Expected volatility Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate 'Weighted Average Contractual Term, Options outstanding Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term Share-based compensation expense, weighted average period Capitalized research costs Deferred Tax Assets, in Process Research and Development Revenue, Remaining Performance Obligation, Amount Transaction price allocated to performance obligation Threshold percentage of shareholder grant exercise price for calculation of percent of estimated fair value. Threshold Percentage Of Shareholder Grant Exercise Price For Calculation Of Percent Of Estimated Fair Value Threshold percentage of shareholder grant exercise price for calculation of percent of estimated fair value Payment of transaction costs Stock issuance cost Payments of Stock Issuance Costs Organization Consolidation And Presentation Of Financial Statements [Line Items] Organization consolidation and presentation Of financial statements. Effective Income Tax Rate Reconciliation, Other Reconciling Items, Percent, Total Effective Income Tax Rate Reconciliation, Other Reconciling Items, Percent Other ASC 606 [Member] Accounting Standards Update 2014-09 [Member] Merger Exchange Ratio Merger recapitalization exchange ratio. Merger Recapitalization Exchange Ratio Research Extension Fee . Research Extension Fee Research extension fee Increase (Decrease) in Prepaid Expense and Other Assets, Total Increase (Decrease) in Prepaid Expense and Other Assets Prepaid expenses and other current assets RSU [Member] Restricted Stock Units (RSUs) [Member] Fair Value, Inputs, Level 1 [Member] Level 1 [Member] Common shares issued in offering, net of issuance costs Temporary Equity, Stock Issued During Period, Value, New Issues Entity Public Float Entity Public Float 2027 Lessee, Operating Lease, Liability, to be Paid, Year Four Common shares outstanding prior to business combination Common stock outstanding prior to business combination. Common Stock Outstanding Prior To Business Combination Temporary Equity, Shares Authorized Redeemable convertible preferred stock shares authorized Income Tax, Policy [Policy Text Block] Income Taxes Property, Plant and Equipment, Useful Life Property and equipment estimated useful life Computer Software, Intangible Asset [Member] Computer Software [Member] Series B One Preferred Stocks Member Series B One Preferred Stocks [Member] Redeemable Convertible Preferred Stock Series B-1 [Member] Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Total Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount Unrecognized stock-based compensation expense Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount Increases recorded to income tax provision Valuation allowance, increase Series B-1 Shares [Member] Series B-1 common shares. Series B-1 Common Shares [Member] Net cash proceeds from the Business Combination and PIPE Financing Payments to Acquire Businesses, Net of Cash Acquired Payments to Acquire Businesses, Net of Cash Acquired, Total Short-Term Debt, Type [Axis] ICFR Auditor Attestation Flag ICFR Auditor Attestation Flag Emerging Growth Company Status Organization, Consolidation, Basis of Presentation, Business Description and Accounting Policies [Text Block] Schedule of Business Acquisitions, by Acquisition [Table] % of weighting Conversion weightage percentage. Conversion Weightage Percentage Contract with Customer, Liability, Current Deferred revenue Interest income Interest Income (Expense), Net, Total Interest income Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months Securities Less than twelve months, Fair value Title of Individual [Domain] Title of Individual Series B (Tranche 2) Redeemable Convertible Preferred Stock [Member] Series B tranche two redeemable convertible preferred stock. Series B Tranche Two Redeemable Convertible Preferred Stock [Member] Temporary Equity, Shares Issued Temporary Equity, Shares Issued Redeemable convertible preferred stock, issued Operating Lease, Liability, Noncurrent Operating lease liabilities, net of current portion Schedule of Stock by Class [Table] Schedule Of Stock By Class [Table] Investments, Fair Value Disclosure, Total Investments, Fair Value Disclosure Marketable debt securities Expected dividend assumed Expected Dividend Assumed Expected dividend assumed Debt Securities, Available-for-Sale [Table] Debt Securities Available For Sale [Table] Minimum percentage of estimated fair value of shares on grant date as exercise price. Minimum Percentage Of Estimated Fair Value Of Shares On Grant Date As Exercise Price Minimum percentage of estimated fair value of shares on date of grant as exercise price Weighted average common shares, basic and diluted Weighted-average shares, basic and diluted, Recapitalized Common Stock Weighted average recapitalized common shares. Class of Stock [Line Items] Class of Stock [Line Items] Specified regulatory and sales milestones. Specified Regulatory And Sales Milestones Specified regulatory and sales milestones Schedule of Business Acquisitions by Acquisition, Equity Interest Issued or Issuable [Table] Assets, Current Total current assets Vesting [Domain] Vesting Total liabilities and stockholders' equity Liabilities and Equity Receivable research extension fee Receivable Research Extension Fee Receivable research extension fee. Entity Address, State or Province Entity Address, State or Province Deferred Tax Assets, Other Other BCTG Business Combination and PIPE Financing [Member] BCTG business combination and PIPE financing. BCTG Business Combination and PIPE Financing [Member] Common stock, value issued Stock Issued During Period, Value, New Issues Share conversion ratio Stockholders' Equity Note, Stock Split, Conversion Ratio Number of shares, Options outstanding Ending balance Number of shares, Options outstanding Beginning balance Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value Weighted-average grant date fair value per share of stock options granted Comprehensive Income (Loss), Net of Tax, Attributable to Parent Comprehensive loss Trading Symbol Trading Symbol Deferred Tax Assets, Net of Valuation Allowance Net deferred tax assets Common stock issued Common Stock Shares Common Stock, Shares, Issued, Total Common Stock, Shares, Issued Tax credit carryforward expiration year. Tax Credit Carryforward Expiration Year Tax credit carryforwards, expiration year Stock-based compensation expense Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-Based Payment Arrangement, Percent Debt Securities, Available-for-Sale [Line Items] Debt Securities, Available-for-Sale [Line Items] Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value Aggregate fair value of awards vested Tenant improvement allowance reimbursements. Tenant Improvement Allowance Reimbursements Tenant Improvement Allowance Reimbursements Prepaid Expense and Other Assets, Current Prepaid expenses and other current assets Internal revenue code section 174. Internal Revenue Code Section 174 [Member] Increase (Decrease) in Accounts Payable, Trade Accounts payable Lease expiration date Lease Expiration Date Foreign Tax Authority [Member] Foreign [Member] Recently Issued Accounting Pronouncements Disclosure of accounting policy for recently issued accounting pronouncements. Recently Issued Accounting Pronouncements [Policy Text Block] Recently Issued Accounting Pronouncements [Policy Text Block] Shares, Outstanding Balance at the ending (in Shares) Balance at the beginning (in Shares) 2026 Lessee, Operating Lease, Liability, to be Paid, Year Three Common stock, shares reserved for issuance Number of shares reserved for issuance Common Stock, Capital Shares Reserved for Future Issuance AOCI Attributable to Parent [Member] Accumulated Other Comprehensive Income (Loss) [Member] Business Combination Business Combination Disclosure [Text Block] Weighted average common shares, basic and diluted Weighted average number of share outstanding basic and diluted adjustments. Weighted Average Number Of Share Outstanding Basic And Diluted Adjustments Entity Address, City or Town Entity Address, City or Town Operating Lease, Weighted Average Discount Rate, Percent Weighted average discount rate Lease payment discount rate Additional extension period Lessee, Operating Lease, Renewal Term Property, Plant and Equipment [Table Text Block] Schedule of Property, Plant and Equipment Subsequent Event [Member] Subsequent Event [Member] Subsequent Event Type [Axis] Share-Based Payment Arrangement, Tranche Two [Member] Share-based Payment Arrangement, Tranche Two [Member] Additional Paid-in Capital [Member] Additional Paid-in Capital [Member] Retroactive application of recapitalization (in Shares) Temporary stock retroactive application of recapitalization shares. Temporary Stock Retroactive Application Of Recapitalization Shares Series B Preferred Stock [Member] Redeemable Convertible Preferred Stock Series B [Member] Liabilities, Current [Abstract] Current liabilities: Cash Cash Acquired from Acquisition Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer Securities Greater than twelve months, Fair value Offering costs Offering Cost Offering cost. Assets, Current [Abstract] Current assets: Counterparty Name [Axis] Stock issued during period shares stock options and employee stock purchase plan exercised. Stock Issued During Period Shares Stock Options And Employee Stock Purchase Plan Exercised Issuance of common stock from exercise of options and employee stock purchase plan (in Shares) Impairment of long-lived assets Impairment, Long-Lived Asset, Held-for-Use Impairment, Long-Lived Asset, Held-for-Use, Total Statement of Stockholders' Equity [Abstract] Change in accounting principle accounting standards update immaterial effect Change in Accounting Principle, Accounting Standards Update, Immaterial Effect [true false] Operating Lease, Liability, Current Operating lease liabilities Maximum number of shares issued as a proportion of outstanding capital stock Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Of Stock Issued And Outstanding On Immediately Preceding Percentage Share based compensation arrangement by share based payment award number of shares of stock issued and outstanding on immediately preceding percentage. Property, Plant and Equipment, Net, Ending Balance Property, Plant and Equipment, Net, Beginning Balance Property, Plant and Equipment, Net Property and equipment, net Property and equipment, net Series A Preferred Stock [Member] Redeemable Convertible Preferred Stock Series A [Member] Class of Stock [Domain] Class of Stock Annual rent payable. Annual Rent Payable Annual rent payable Series B-1 Preferred Stock [Member] Series B One Preferred Stock [Member] Series B One Preferred Stock. Series B One Preferred Stock [Member] Milestone payments. Milestone Payments Milestone payments Significant accounting policies. Significant Accounting Policies [Line Items] Significant Accounting Policies [Line Items] Price per share (in Dollars per share) Price per share. Price Per Share Income taxes at U.S. federal statutory rate Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent Collaborative Arrangement and Arrangement Other than Collaborative [Axis] Collaborative Arrangement and Arrangement Other than Collaborative Commitments and Contingencies. Commitments And Contingencies Details [Table] Commitments And Contingencies Details [Table] Entity Central Index Key Entity Central Index Key Plan Name [Domain] Plan Name Change in accounting principle accounting standards update adopted [true or false] Change in Accounting Principle, Accounting Standards Update, Adopted [true false] Restricted cash, net of current portion Restricted Cash, Noncurrent Assets, Fair Value Disclosure Total assets Lessee, Operating Lease, Option to Extend Operating leases, option to extend Business combination, consideration transferred, equity securities Business Combination, Consideration Transferred, Equity Interests Issued and Issuable Revenue remaining performance obligations expected remaining contractual term Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period Organization Consolidation And Presentation Of Financial Statements [Table] Organization consolidation and presentation of financial statements. Liabilities, Current Total current liabilities Entity Tax Identification Number Entity Tax Identification Number Loss before income taxes Loss before income taxes Other information Other Information [Abstract] Other Information Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Schedule Of Antidilutive Securities Excluded From Computation Of Earnings Per Share [Table] Increase (Decrease) in Operating Capital [Abstract] Changes in operating assets and liabilities: Research and development costs Accrued research and development costs current. Accrued Research And Development Costs Current Research and development costs Financial Instruments [Domain] Financial Instruments Adjustments to Additional Paid in Capital, Stock Issued, Own-share Lending Arrangement, Issuance Costs Issuance of redeemable convertible preferred stock, net of issuance costs Construction in Progress [Member] Pre-funded Warrants [Member] Pre-funded Warrants [Member] Pre-funded warrants. Lessee, Operating Leases [Text Block] Leases Payments upon termination of agreement Payments upon Termination of Agreement Payments upon termination of agreement. Unvested restricted common stock [Member] Restricted Stock Awards [Member] Restricted Stock [Member] Class of Warrant or Right [Line Items] Summary of estimated useful lives of property and equipment Schedule Of Estimated Useful Lives Of Property And Equipment [Table Text Block] Schedule of estimated useful lives of the Company's property and equipment. Plan Name [Axis] Plan Name Operating leases, non-cancelable term Lessee, Operating Lease, Term of Contract Assets Total assets Operating Lease, Right-of-Use Asset Operating lease right-of-use assets BCTG acquisition corp. BCTG Acquisition Corp [Member] BCTG Acquisition Corp [Member] Entity Registrant Name Entity Registrant Name Gross proceeds Proceeds from Issuance or Sale of Equity, Total Proceeds from Issuance or Sale of Equity Net proceeds Lessee, Operating Lease, Existence of Option to Extend [true false] Operating leases, option to extend Lessee, Lease, Description [Line Items] Retained Earnings (Accumulated Deficit), Ending Balance Retained Earnings (Accumulated Deficit), Beginning Balance Retained Earnings (Accumulated Deficit), Total Retained Earnings (Accumulated Deficit) Accumulated deficit Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss Securities Less than twelve months, Unrealized loss Proceeds from Fees Received Proceeds from fees received Supplemental cash flow information: Supplemental Cash Flow Information [Abstract] Retained Earnings [Member] Accumulated Deficit [Member] Class of Stock [Axis] Class of Stock Unvested restricted common stock outstanding, Number of Shares Ending balance Unvested restricted common stock outstanding, Number of Shares Beginning balance Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number Restricted stock awards, outstanding Lessee, Operating Sublease, Option to Extend Operating sublease, option to extend 100 Binney Street in Cambridge [Member] Hundred Binney Street in Cambridge [Member] Hundred Binney Street in Cambridge. Letter of credit to provide for amount that collateralized with cash. Letter Of Credit To Provide For Amount That Collateralized With Cash Letter of credit to provide for amount that collateralized with cash Minimum [Member] Minimum [Member] Summary of Redeemable Convertible Preferred Stock Issued and Outstanding After Consummation of Business Combination Summary of redeemable convertible preferred stock issued and outstanding after consummation of business combination. Summary of Redeemable Convertible Preferred Stock Issued and Outstanding After Consummation of Business Combination [Table Text Block] Tenant Improvements Tenant improvements allowance Total Revenue Revenues, Total Revenues Collaboration revenue Significant Accounting Policies [Text Block] Summary of Significant Accounting Policies Total operating lease liabilities Operating Lease, Liability Operating lease liability Total operating lease liabilities Debt Securities, Available-for-Sale, Accrued Interest, after Allowance for Credit Loss, Statement of Financial Position [Extensible Enumeration] Stock issued during period value stock options and employee stock purchase plan exercised. Stock Issued During Period Value Stock Options And Employee Stock Purchase Plan Exercised Issuance of common stock from exercise of options and employee stock purchase plan Revenue [Policy Text Block] Revenue Recognition Expected volatility, minimum Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Minimum US Government Agencies Debt Securities [Member] U.S. Government Agency Bonds [Member] Equity Component [Domain] Equity Component Defined Contribution Plan, Cost Amount of matching contributions made by company Stock options to purchase common stock [Member] Change in accounting principle accounting standards update adoption date Change in Accounting Principle, Accounting Standards Update, Adoption Date Less redemption of BCTG shares Financial Instruments Subject to Mandatory Redemption, Settlement Terms, Number of Shares Less redemption of BCTG shares Operating loss carryforwards expiration year. Operating Loss Carryforwards Expiration Year Operating loss carryforwards, expiration year Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Adjustments to reconcile net loss to net cash from operating activities: Measurement Frequency [Axis] Measurement Frequency Sublease Income Sublease Income Sublease Income Sublease income Marketable Securities [Abstract] Schedule of Accrued Expenses and Other Current Liabilities Current Schedule of accrued expenses and other current liabilities current. Schedule Of Accrued Expenses And Other Current Liabilities Current [Table Text Block] Schedule of Accrued Expenses and Other Current Liabilities Entity Current Reporting Status Entity Current Reporting Status Common stock authorized Common Stock, Shares Authorized Common Stock, Shares Authorized Research and Development Expense, Total Research and Development Expense Research and development TrdArrExpirationDate TrdArrExpirationDate Deferred Tax Liabilities, Gross, Total Deferred Tax Liabilities, Gross Total gross deferred tax liabilities Shares issued in Business Combination and PIPE Financing, net of issuance costs Stock issued during period value acquisitions and private investments. Stock Issued During Period, Value, Acquisitions And Private Investments Assets [Abstract] Assets Proceeds from issuance of common stock Proceeds from Issuance of Common Stock Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant Number of shares available for future grant Right-of-use asset Deferred Tax Liabilities, Leasing Arrangements Operating loss carry forward with expiration of usage Operating Loss Carry Forward with Expiration of Usage Operating loss carry forward with expiration of usage. Common stock, $0.001 par value; 200,000,000 shares authorized at December 31, 2023 and December 31, 2022, respectively; 102,202,759 and 88,179,374 shares issued and outstanding as of December 31, 2023 and 2022, respectively Common Stock, Value, Issued, Ending Balance Common Stock, Value, Issued, Beginning Balance Common Stock, Value, Issued, Total Common Stock, Value, Issued Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent Change in valuation allowance Retroactive application of recapitalization Temporary stock retroactive application of recapitalization Temporary Stock Retroactive Application Of Recapitalization Other Noncash Income (Expense), Total Other Noncash Income (Expense) Other, net Property and equipment, estimated useful life Property, Plant and Equipment, Estimated Useful Life Description Property, plant and equipment, estimated useful life description. Contract with Customer, Liability, Revenue Recognized Contract with customer liability, revenue recognized Furniture and Fixtures [Member] Furniture and Fixtures [Member] Current Fiscal Year End Date Current Fiscal Year End Date Amended Gilead Agreement [Member] Amended gilead agreement. Amended Gilead Agreement [Member] Share-based Payment Arrangement, Noncash Expense, Total Share-Based Payment Arrangement, Noncash Expense Stock-based compensation Auditor Name Operating Income (Loss) Loss from operations ASU 2019-12 [Member] Accounting Standards Update 2019-12 [Member] Entity Ex Transition Period Entity Ex Transition Period Net contributions from Business Combination and PIPE Financing Business Combination, Consideration Transferred Business Combination, Consideration Transferred, Total Tax provision or benefits Provision for income taxes Provision for income taxes Income Tax Expense (Benefit), Total Research and Development [Member] Research and Development Expense [Member] Minimum percentage of estimated fair value to be maintained for exercise price of ten percent shareholder threshold. Minimum Percentage Of Estimated Fair Value To Be Maintained For Exercise Price Of Ten Percent Shareholder Threshold Minimum percentage of estimated fair value to be maintained for exercise price of ten percent shareholder threshold Research term. Research Term Research term Lessee, Leases [Policy Text Block] Operating Leases Share-Based Payment Arrangement, Expense Stock-based compensation expense Expected volatility, maximum Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Maximum Purchase of shares (in Shares) Stock Issued During Period, Shares, Other Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage Vesting rights percentage upon first anniversary of issuance Revaluation of right-of-use asset and lease liability upon lease remeasurement Revaluation of Right-of-use Asset and Lease Liability Upon Lease Modification Revaluation of right-of-use asset and lease liability upon lease modification. Laboratory Equipment [Member] Equipment [Member] Reduction of operating lease liability Reduction of operating lease liability Increase (Decrease) in Operating Lease Liability Income tax payable Taxes Payable, Current Taxes Payable, Current, Total Number Of shares available for future purchase. Share-Based Compensation Arrangement by Share-Based Payment Award, Shares Purchased for Award Two Thousand Twenty Three Inducement Plan [Member] Two Thousand Twenty Three Inducement Plan [Member] 2023 Inducement Plan [Member] Aggregate Intrinsic Value, Options outstanding Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Intrinsic Value Agreement. Agreement [Domain] Agreement Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table] Schedule Of Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Table] Increase (decrease) in accrued expenses and other liabilities. Increase (Decrease) In Accrued Expenses And Other Liabilities Accrued expenses and other liabilities Earnings Per Share, Policy [Policy Text Block] Net Loss Per Share Adjustments to additional paid in capital business combination and pipe financing issuance costs. Adjustments To Additional Paid In Capital Business Combination And Pipe Financing Issuance Costs Business combination and PIPE financing, issuance costs Temporary Equity Disclosure [Abstract] Commitments and Contingencies, Policy [Policy Text Block] Commitments and Contingencies Other income , net Other (expense) income, net Other Nonoperating Income (Expense), Total Unit price Sale of stock, price per share Sale of Stock, Price Per Share Operating Expenses [Abstract] Operating expenses: Property, Plant and Equipment [Abstract] Minimum rent payments to be paid over original term Minimum rent payments to be paid over original term. Shares issued in Business Combination and PIPE Financing, net of issuance costs (in Shares) Stock issued during period shares acquisitions and private investments. Stock Issued During Period, Shares, Acquisitions And Private Investments Series B one redeemable convertible preferred stock. Series B One Redeemable Convertible Preferred Stock [Member] Series B-1 Redeemable Convertible Preferred Stock [Member] Proceeds from issuance of common stock upon exercise of stock options and purchase of shares under employee stock purchase plans. Proceeds from issuance of common stock upon exercise of stock options and purchase of shares under Employee stock purchase plans Proceeds from issuance of common stock upon exercise of stock options and purchase of shares under ESPP Entity Voluntary Filers Entity Voluntary Filers Other comprehensive income (loss): Other comprehensive (loss) income: Debt Securities, Available-for-Sale [Table Text Block] Summary of Debt Securities, Available-for-sale US Government Securities, at Carrying Value Cash equivalents, U.S. Treasury bills Commitments and Contingencies Disclosure [Abstract] Other Assets, Noncurrent, Total Other Assets, Noncurrent Other assets Number of shares Granted Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross Options, granted Other Accrued Liabilities, Current Other current liabilities Equity [Text Block] Common Stock Depreciation expense Depreciation, Total Depreciation Depreciation 201 Brookline Avenue in Boston. Two Hundred One Brookline Avenue in Boston [Member] 201 Brookline Avenue in Boston [Member] Fair value asset level1 to level2 transfer amount. Fair Value Asset Level1 To Level2 Transfer Amount Fair value assets transfer from Level 1 to Level 2 Additional Paid in Capital, Ending Balance Additional Paid in Capital, Beginning Balance Additional Paid in Capital, Total Additional Paid in Capital Additional paid-in capital Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Gain, before Tax Gross Unrealized Gains License Revenue Member License Revenue [Member] License Revenue [Member] Stockholders' equity: Equity, Attributable to Parent [Abstract] 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, after Year Five Thereafter Lease, Cost [Table Text Block] Summary of Elements of Lease Cost 2021 Plan [Member] Two thousand and twenty one plan. Two Thousand And Twenty One Plan [Member] Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested in Period, Fair Value Total fair value of options vested Earnings Per Share [Abstract] Summary of Future Minimum Lease Payments Under Operating Leases Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block] Accounting Policies [Abstract] Lessee, Lease, Description [Table] BCTG's Trust Account [Member] BCTG trust account. BCTG Trust Account [Member] Concentration Risk, Credit Risk, Policy [Policy Text Block] Concentration of Credit Risk and Significant Suppliers Net proceeds from transaction Sale of Stock, Consideration Received on Transaction Gross proceeds Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Share Based Compensation Arrangement By Share Based Payment Award [Line Items] Accounts Receivable Current Research Extension Fee . Accounts Receivable Current Research Extension Fee Accounts receivable current, research extension fee Debt Securities, Available-for-Sale, Accrued Interest, after Allowance for Credit Loss, Total Debt Securities, Available-for-Sale, Accrued Interest, after Allowance for Credit Loss Marketable securities, Accrued interest Dividends Payable Dividends declared Earnings Per Share, Basic, Total Earnings Per Share, Basic Net loss per common share - basic Fair value liabilities level2 to level1 transfer amounts. Fair Value Liabilities Level2 To Level1 Transfer Amounts Fair value liabilities transfer from Level 2 to Level 1 Medivir agreement. Medivir Agreement [Member] Medivir Agreement [Member] Commitments and contingencies (Note 8) Commitments and Contingencies Potential proceeds from shares reserved for future issuance Potential Proceeds from Shares Reserved for Future Issuance Potential proceeds from shares reserved for future issuance. Business Combinations [Abstract] Income Statement [Abstract] ASU 2018-15 [Member] Accounting Standards Update 2018-15 [Member] APIC, Share-Based Payment Arrangement, Restricted Stock Unit, Increase for Cost Recognition Vesting of restricted common stock awards Debt Securities, Available-for-sale, Current, Total Debt Securities, Available-for-Sale, Current Fair Value Operating Lease, Cost Operating lease cost Short-Term Lease, Cost Short-term lease cost Retirement Benefits [Abstract] Statistical Measurement [Domain] Statistical Measurement Net Cash Provided by (Used in) Operating Activities Net cash used in operating activities Document Period End Date Document Period End Date Statistical Measurement [Axis] Statistical Measurement Commitments and Contingencies Disclosure [Text Block] Commitments and Contingencies Operating Lease, Payments Operating cash flows used for operating leases Earnings Per Share, Diluted, Total Earnings Per Share, Diluted Net loss per common share - diluted Product and Service [Domain] Product and Service Restricted Common Stock Award [Member] Restricted Common Stock Award [Member] Restricted common stock award. Operating leases Lease, Cost [Abstract] Deferred Tax Assets, Operating Loss Carryforwards, Total Deferred Tax Assets, Operating Loss Carryforwards Net operating loss carryforwards Unrecognized Tax Benefits, Ending Balance Unrecognized Tax Benefits, Beginning Balance Unrecognized Tax Benefits Unrecognized tax benefits Founders and advisors. Founders And Advisors [Member] Founders and Advisors [Member] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV Number of shares Options exercisable Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Number Fair Value, Recurring [Member] Fair Value Measurements Recurring [Member] Other Commitments [Domain] Fair value liabilities level1 to level2 transfer amounts. Fair Value Liabilities Level1 To Level2 Transfer Amounts Fair value liabilities transfer from Level 1 to Level 2 Common shares issued in offering, net of issuance costs (in Shares) Redeemable convertible preferred stock issued during period shares new issues Temporary equity stock issued during period shares new issues. Temporary Equity Stock Issued During Period Shares New Issues Accretion on marketable securities Accretion On Marketable Securities 1 Accretion on marketable securities 1. Deferred Tax Assets, Net Net deferred taxes US Treasury Securities [Member] U.S. Treasury Bills [Member] Underwriting commissions Amortization of Deferred Sales Commissions Days Outstanding in 2020 Number of days outstanding. Number of Days Outstanding Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name Proceeds from Issuance of Redeemable Convertible Preferred Stock Proceeds from Issuance of Redeemable Convertible Preferred Stock Investment, Type [Extensible Enumeration] Number of shares Exercised Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period Exercise of stock options, (in Shares) Liabilities and Equity [Abstract] Liabilities and Stockholders' Equity Entity Address, Postal Zip Code Entity Address, Postal Zip Code Entity Interactive Data Current Entity Interactive Data Current Private Placement [Member] PIPE Financing [Member] Private Placement [Member] Outstanding common shares Old Tango common shares (after preferred shares were converted 1-for-1 for common shares) Preferred Stock, Convertible, Shares Issuable Debt Securities, Available-for-Sale, Unrealized Loss Position, Fair Value [Table Text Block] Summary of Fair value and Gross Unrealized Losses on Securities Cash paid for leases Cash Paid For Leases Cash paid for leases. Less: imputed interest Lessee, Operating Lease, Liability, Undiscounted Excess Amount Less: imputed interest First licensed product achieves specified clinical milestones. First Licensed Product Achieves Specified Clinical Milestones First licensed product achieves specified clinical milestones Lease termination agreement month and year Lease termination agreement month and year. Lease Termination Agreement Month And Year Unvested restricted common stock outstanding, Granted Restricted common stock awards issued Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period Entity Well-known Seasoned Issuer Entity Well-known Seasoned Issuer Revision of Prior Period [Axis] Tango Therapeutics, Inc [Member] Tango Therapeutics, Inc [Member] Tango Therapeutics, Inc [Member] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Abstract] Weighted Average Exercise Price Exercised Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Share-based compensation expense, exercise price Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Cash and Cash Equivalents, Policy [Policy Text Block] Cash Equivalents Equity Components [Axis] Additional Paid-in Capital [Member] Accounts Receivable Increase (Decrease) in Accounts Receivable Gilead Agreement [Member] Gilead Agreement . Gilead Agreement [Member] Tenant obligation payments for leasehold improvements Payments for Tenant Improvements Acquisition date Business Acquisition, Date of Acquisition Agreement Office Equipment [Member] Office Equipment [Member] Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Unvested restricted common stock outstanding, Weighted average grant-date fair value, Vested Local Phone Number Local Phone Number Property, Plant and Equipment [Line Items] Property, Plant and Equipment [Line Items] Sale of Stock [Axis] Sale of Stock Weighted Average Exercise Price Options exercisable Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Exercise Price Increase (Decrease) in Deferred Revenue Deferred revenue Sublease receivables. Sublease Receivables Sublease receivables Goodwill, Ending Balance Goodwill, Beginning Balance Goodwill, Total Goodwill Goodwill Restricted cash Restricted Cash, Current Restricted cash Temporary Equity, Par Value Temporary equity, par value Statement of Cash Flows [Abstract] Comprehensive Gain (Loss) Comprehensive Income, Policy [Policy Text Block] Marketable debt securities maturities duration. Marketable Debt Securities Maturities Duration Marketable debt securities maturities duration Fair Value Measurement and Measurement Inputs, Recurring and Nonrecurring [Text Block] Fair Value Measurements Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] Income Tax Authority [Domain] Income Tax Authority Organization, Consolidation and Presentation of Financial Statements [Abstract] Accumulated other comprehensive income (loss) Accumulated Other Comprehensive Income (Loss), Net of Tax, Total Accumulated Other Comprehensive Income (Loss), Net of Tax Property, Plant and Equipment, Policy [Policy Text Block] Property and Equipment Document Annual Report Document Annual Report Common stock par value Common Stock, Par or Stated Value Per Share Common Stock, Par or Stated Value Per Share Deferred Revenue, Noncurrent, Total Deferred Revenue, Noncurrent Long-term deferred revenue Net Income (Loss) Available to Common Stockholders, Basic [Abstract] Numerator: Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition Weighted-average amortization period Long-Lived Tangible Asset [Axis] Long-Lived Tangible Asset Research and development expenditures amortization period. Research And Development Expenditures Amortization Period Research and development expenditures amortization period Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized Maximum of number of shares reserved and available for issuance Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table] Collaborative Arrangement Disclosure [Text Block] Collaboration Agreements Maximum [Member] Maximum [Member] Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights Vesting rights description Net proceeds from private placement Proceeds from Issuance of Private Placement Temporary Equity, Shares Outstanding Balance at the ending (in Shares) Balance at the beginning (in Shares) Temporary Equity, Shares Outstanding Redeemable convertible preferred stock, outstanding Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Nature of the Business and Basis of Presentation Schedule of Investments [Abstract] Fair Value, Inputs, Level 3 [Member] Level 3 [Member] Fair Value, Recurring and Nonrecurring [Table] Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Table] Short-Term Debt, Type [Domain] Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Net change in cash, cash equivalents and restricted cash Payables and Accruals [Abstract] General and Administrative [Member] General and Administrative Expense [Member] Number of shares Cancelled Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures in Period Marketable Debt Securities . Marketable Debt Securities [Member] Marketable Debt Securities [Member] U.S. Government Agency Bonds [Member] Document Financial Statement Error Correction [Flag] Document Financial Statement Error Correction [Flag] Increase (decrease) in operating lease liabilities. Increase (Decrease) In Operating Lease Liabilities Operating lease liabilities Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share City Area Code City Area Code Net Cash Provided by (Used in) Operating Activities [Abstract] Cash flows from operating activities Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block] Marketable Securities Operating loss carry forward with expiration of usage indefinite Operating Loss Carry Forward with Expiration of Usage Indefinite Operating loss carry forward with expiration of usage indefinite. 2021 Employee Stock Purchase Plan [Member] Two Thousand and Twenty One Employee Stock Purchase Plan [Member] Two thousand and twenty one employee stock purchase plan. Commitments and Contingencies. Commitments And Contingencies Details [Line Items] Commitments and Contingencies (Details) [Line Items] Restricted Cash and Cash Equivalents, Noncurrent, Total Restricted Cash and Cash Equivalents, Noncurrent Restricted cash Letter of Credit [Member] Business Acquisition [Line Items] Percentage of increase in annual rent payable Percentage Of Increase In Annual Rent Payable Percentage of increase in annual rent payable Defined Contribution Plan [Text Block] 401(K) Savings Plan Common stock voting description Common Stock, Voting Rights Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Ending Balance Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Beginning Balance Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Total Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Less: Accumulated depreciation General and Administrative Expense, Total General and Administrative Expense General and administrative Weighted-average common stock outstanding - basic Weighted Average Number of Shares Outstanding, Basic, Total Weighted Average Number of Shares Outstanding, Basic Net Cash Provided by (Used in) Financing Activities [Abstract] Cash flows from financing activities Research and Development Expense, Policy [Policy Text Block] Research and Development Expenses Statement [Table] Statement [Table] Share-Based Payment Arrangement, Option, Activity [Table Text Block] Schedule of Stock Option Activity Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] Schedule of Weighted Average Assumptions Used to Estimate Grant Date Fair Value of Stock Options Accrued expenses and other current liabilities. Accrued Expenses And Other Current Liabilities Accrued expenses and other current liabilities Total accrued expenses and other current liabilities Document Fiscal Period Focus Document Fiscal Period Focus Lessee, Operating Lease, Liability, to be Paid Total lease payments Jefferies LLC Jefferies LLC [Member] Jefferies LLC. Investment, Policy [Policy Text Block] Investments in Marketable Securities 2025 Lessee, Operating Lease, Liability, to be Paid, Year Two Statement [Line Items] Statement [Line Items] Non-refundable upfront payments received Nonrefundable Upfront Payments Received Non-refundable upfront payment received Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Laboratory equipment. Laboratory Equipment [Member] Laboratory Equipment [Member] Series B Shares [Member] Series B common shares. Series B Common Shares [Member] Lease, Cost Total operating lease costs Operating loss carryforwards indefinite. Operating Loss Carryforwards Indefinite Operating loss carryforwards, indefinite Schedule of Deferred Tax Assets and Liabilities Schedule of Deferred Tax Assets and Liabilities [Table Text Block] Accounts Receivable, after Allowance for Credit Loss, Current, Total Accounts Receivable, after Allowance for Credit Loss, Current Accounts receivable Lesley Ann Calhoun Lesley Ann Calhoun [Member] Lesley Ann Calhoun [Member] Common Stock [Member] Common Stock [Member] Change in accounting principle accounting standards update early adoption [true or false] Change in Accounting Principle, Accounting Standards Update, Early Adoption [true false] Temporary Equity, Par or Stated Value Per Share Temporary Equity, Par or Stated Value Per Share Redeemable convertible preferred stock Par or Stated Value Per Share Operating Loss carryforwards expiration starting year Operating Loss Carryforwards Expiration Starting Year Operating Loss carryforwards expiration starting year. Cash and Cash Equivalents, at Carrying Value, Ending Balance Cash and Cash Equivalents, at Carrying Value, Beginning Balance Cash and Cash Equivalents, at Carrying Value, Total Cash and Cash Equivalents, at Carrying Value Cash and cash equivalents Return of capital from a stockholder - related party Stock Repurchased During Period, Value Schedule of Stock-based Compensation Expense Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block] Aggregate Intrinsic Value Options exercisable Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Intrinsic Value Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Antidilutive Securities, Name [Domain] Antidilutive Securities, Name ASU 2016-13 [Member] Accounting Standards Update 2016-13 [Member] Specified Regulatory And Sales Milestones For Genetic Context [Member] Specified Regulatory And Sales Milestones For Genetic Context [Member] Specified regulatory and sales milestones for genetic context. Cover Cover [Abstract] Income taxes. Income Taxes [Line Items] Income Taxes [Line Items] Vesting [Axis] Vesting Document Fiscal Year Focus Document Fiscal Year Focus Number of milestones achieved. Number Of Milestones Achieved Number of milestones achieved upon termination of agreement Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued, Total Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued Accrued interest or penalties Business Acquisition, Equity Interests Issued or Issuable [Line Items] Sale of Stock [Domain] Sale of Stock Share-Based Payment Arrangement [Policy Text Block] Stock-Based Compensation Unvested restricted common stock outstanding, Weighted average grant-date fair value, Granted Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Security Exchange Name Security Exchange Name Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period Award term Domestic Tax Authority [Member] Federal [Member] Schedule of Reconciliation of Cash and Cash Equivalents and Restricted Cash Schedule of Cash and Cash Equivalents [Table Text Block] New Accounting Pronouncements, Policy [Policy Text Block] Recently Adopted Accounting Pronouncements Property, Plant and Equipment, Gross, Ending Balance Property, Plant and Equipment, Gross, Beginning Balance Property, Plant and Equipment, Gross, Total Property, Plant and Equipment, Gross Property, Plant and Equipment, Gross Weighted Average Exercise Price Cancelled Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price Business Acquisition, Acquiree [Domain] Business Acquisition, Acquiree Other comprehensive income (loss) Other Comprehensive Income (Loss), Tax, Total Other Comprehensive Income (Loss), Tax Financial Instrument [Axis] Financial Instrument Weighted Average Number of Shares Outstanding, Diluted [Abstract] Denominator: Summary of Restricted Stock Awards Activity Share-Based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity [Table Text Block] Entity Emerging Growth Company Entity Emerging Growth Company Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period, Intrinsic Value Total intrinsic value of options exercised Business Acquisition, Percentage of Voting Interests Acquired Business acquisition, percentage of voting interest Amendment Flag Amendment Flag Tax Credit Carryforward, Amount Tax credit carryforwards Marketable Securities, Current, Total Marketable Securities, Current Marketable securities Reduction of operating lease right-of-use asset Reduction of operating lease right-of-use asset Increase Decrease In Operating Lease Right of use asset Increase (decrease) in operating lease right of use asset. Percentage of ownership interest in equity investment. Percentage of Ownership Interest in Equity Investment Ownership percentage in common stock Redeemable convertible preferred stock issue price per share Temporary equity issue price per share. Temporary Equity Issue Price Per Share Redeemable convertible preferred stock issue price per share Initial Public Offering [Member] IPO [Member] Summary of Weighted-Average Common Shares, Basic and Diluted Schedule of Weighted Average Number of Shares [Table Text Block] Gross Unrealized Loss Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Loss, before Tax Gross Unrealized Loss Accounting Standards Update [Domain] Shares issued pursuant to the PIPE Financing Shares, Issued Shares, Issued, Ending Balance Shares, Issued, Beginning Balance Deferred tax liabilities Deferred Tax Liabilities, Gross [Abstract] Leases [Abstract] Warrants to purchase shares of common stock Class of Warrant or Right, Number of Securities Called by Each Warrant or Right Debt Securities, Available-for-Sale, Unrealized Loss Position Debt securities considered to be an unrealized loss position Securities, Total Fair value Entity File Number Entity File Number Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] Merger agreement. Merger Agreement [Member] Merger Agreement [Member] Series B redeemable convertible preferred stock. Series B Redeemable Convertible Preferred Stock [Member] Series B Redeemable Convertible Preferred Stock [Member] Total gross deferred tax assets Deferred Tax Assets, Gross Total gross deferred tax assets Retroactive application of recapitalization Retroactive application of recapitalization. Retroactive Application Of Recapitalization Specified Regulatory Approval And Sales Milestones [Member] Specified Regulatory Approval And Sales Milestones [Member] Specified regulatory approval and sales milestones. Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Ending Balance Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Beginning Balance Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents Cash, cash equivalents and restricted cash Share-Based Payment Arrangement [Abstract] Accounts Payable, Current, Total Accounts Payable, Current Accounts payable Unvested restricted common stock outstanding, Weighted average grant-date fair value Beginning balance Unvested restricted common stock outstanding, Weighted average grant-date fair value Ending balance Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Unvested restricted common stock outstanding, Weighted average grant-date fair value Deferred Tax Assets, Valuation Allowance, Total Deferred Tax Assets, Valuation Allowance Valuation allowance as of end of year Valuation allowance as of beginning of year Valuation allowance Collaboration Agreements . Collaboration Agreements [Abstract] Operating Expenses Total operating expenses Auditor Location Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Term Expected option life (in years) Entity Address, Address Line Two Entity Address, Address Line Two Proceeds from issuance of common shares and pre-funded warrants Proceeds From Issuance of Common Stock and Pre-funded Warrants, Net Proceeds from issuance of common stock and pre-funded warrants, net. Entity Small Business Entity Small Business Entity Shell Company Entity Shell Company Number of operating segments Number of Operating Segments Redeemable convertible preferred stock issuance costs Redeemable convertible preferred stock Issuance Costs Temporary stock issuance costs. Temporary Stock Issuance Costs Title of Individual [Axis] Title of Individual Number of shares sold Number of units issued in transaction Sale of Stock, Number of Shares Issued in Transaction Subsequent Events, Policy [Policy Text Block] Subsequent Events Significant accounting policies. Significant Accounting Policies [Table] Significant Accounting Policies [Table] Investment Type [Axis] Investment Type Series B (Tranche 1) Redeemable Convertible Preferred Stock [Member] Series B tranche one redeemable convertible preferred stock. Series B Tranche One Redeemable Convertible Preferred Stock [Member] Exercise price Class of Warrant or Right, Exercise Price of Warrants or Rights Less transaction costs and advisory fees paid Transaction costs and redemptions Business Acquisition, Transaction Costs Class of Warrant or Right [Domain] Share-Based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount Unrecognized compensation related unvested shares Computer Equipment [Member] Computer Equipment [Member] Earnings Per Share [Text Block] Net Loss Per Share Entity Address, Address Line One Entity Address, Address Line One Stock Options [Member] Stock options. Deferred tax liabilities depreciation. Deferred Tax Liabilities Depreciation Depreciation Agreement. Agreement [Axis] Agreement Research extension fee variable consideration. Research Extension Fee Variable Consideration Research extension fees, variable consideration Contractual obligation Contractual Obligation, Total Contractual Obligation Obligation to make payments upon termination Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items] Operating lease liability Operating lease liability Deferred Tax Assets Operating Lease Liability Deferred tax assets operating lease liability. Antidilutive Securities [Axis] Antidilutive Securities Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill, Total Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill Intangible assets Supplemental Balance Sheet Disclosures [Text Block] Supplemental Balance Sheet Information Restricted cash Restricted Cash Restricted Cash, Total Subsequent Event Type [Domain] Risk-free interest rate, minimum Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Minimum Income Statement Location [Axis] Income Statement Location Operating loss carryforward limitations on use Operating loss carryforward limitations on use. Operating Loss Carryforward Limitations On Use Operating loss carryforwards, expire Variable Lease, Cost Variable lease cost Risk-free interest rate, maximum Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Maximum Sponsored a license program, fee amount. Sponsored A Licence Program,Fee Amount License fee amount Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Dividend Rate Expected dividend yield Deferred Tax Assets, Deferred Income Deferred revenue 2018 Gilead Agreement [Member] Two Thousand And Eighteen Gilead Agreement . Two Thousand And Eighteen Gilead Agreement [Member] Two Thousand And Eighteen Gilead Agreement 2028 Lessee, Operating Lease, Liability, to be Paid, Year Five Computer Software Member Computer Software [Member] Computer Software [Member] Fair Value, Inputs, Level 2 [Member] Level 2 [Member] Upfront payment. Upfront Payment Upfront payment Collaborative Arrangement and Arrangement Other than Collaborative [Table] Schedule Of Collaborative Arrangements And Noncollaborative Arrangement Transactions [Table] APIC, Share-Based Payment Arrangement, Option, Increase for Cost Recognition Stock based compensation expense Product and Service [Axis] Product and Service Contract with Customer, Liability, Noncurrent Deferred revenue, net of current portion Title of 12(b) Security Title of 12(b) Security As Previously Recorded [Member] Previously Reported [Member] Preferred stock, $0.001 par value; 10,000,000 shares authorized; no shares issued and outstanding as of December 31, 2023 and 2022, respectively Preferred stock, $0.001 par value; 10,000,000 shares authorized; no shares issued and outstanding as of December 31, 2021 and 2020, respectively Temporary Equity, Carrying Amount, Attributable to Parent Balance at the ending Balance at the beginning Collaboration Revenue Member Collaboration Revenue [Member] Collaboration Revenue [Member] Money Market Funds, at Carrying Value Cash equivalents, Money market funds Investments [Domain] Investments Accounting Standards Update [Axis] Percentage of increase in ownership percentage over a three year period Percentage Of Increase In Ownership Percentage Over A Three Year Period Percentage of increase in ownership percentage over a three year period. Retroactive application of recapitalization (in Shares) Recapitalization Common Stock Stock holders equity retroactive application of recapitalization shares. Stock Holders Equity Retroactive Application Of Recapitalization Shares Effective Income Tax Rate Reconciliation, Nondeductible Expense, Percent, Total Effective Income Tax Rate Reconciliation, Nondeductible Expense, Percent Nondeductible/nontaxable permanent items Net Cash Provided by (Used in) Investing Activities [Abstract] Cash flows from investing activities State and Local Jurisdiction [Member] State [Member] Segment Reporting, Policy [Policy Text Block] Segment Information Long-Lived Tangible Asset [Domain] Long-Lived Tangible Asset Cash and Cash Equivalents, Restricted Cash and Cash Equivalents, Policy [Policy Text Block] Restricted Cash Cash and cash equivalent maturity period. Cash And Cash Equivalent Maturity Period Cash and cash equivalent maturity period Research and development. Research And Development [Member] Research and Development [Member] Operating lease liabilities from obtaining right-of-use assets Operating lease liabilities from obtaining right-of-use assets. Operating Lease Liabilities from Obtaining Right-of-Use Assets Right-of-use asset obtained in exchange for a lease liability Lessee, operating lease, existence of option to terminate [true false] Lessee, Operating Lease, Existence of Option to Terminate [true false] Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss Securities, Total Unrealized loss Securities, Total Unrealized loss Weighted Average Contractual Term Options exercisable Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term Common Stock, Shares, Outstanding Common shares outstanding Common Stock, Shares, Outstanding, Ending Balance Common Stock, Shares, Outstanding, Beginning Balance Risk-free interest rate Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Share-Based Payment Arrangement [Text Block] Equity Incentive Plans Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Unvested restricted common stock outstanding, Weighted average grant-date fair value, Forfeited At-the-Market Stock Offering [Member] "at-the-market" Stock Offering Program [Member] At-the-market Stock Offering Program [Member] At-the-market stock offering program. Specified Clinical Milestones [Member] Specified Clinical Milestones [Member] Specified clinical milestones. Fair Value Measurements, Recurring and Nonrecurring [Table Text Block] Summary of Financial Assets Measured at Fair Value on a Recurring Basis Tax Credit Carryforward [Axis] Tax Credit Carryforward Milestone payments receivable. Milestone Payments Receivable Milestone payments receivable HitGen agreement. HitGen Agreement [Member] HitGen Agreement [Member] Income Statement Location [Domain] Income Statement Location Weighted Average Exercise Price Granted Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Shares issued in exchange for Unvested restricted stock awards and unexercised stock options Stock issued during period shares in exchange for unvested restricted stock awards and unexercised stock options. Stock Issued During Period Shares in Exchange for Unvested Restricted Stock Awards and Unexercised Stock Options Effective income tax rate reconciliation tax credits research and development. Effective Income Tax Rate Reconciliation Tax Credits Research And Development Federal and state research and development tax credits Document Type Document Type ASU 2020-06 [Member] Accounting Standards Update 2020-06 [Member] Redeemable Convertible Preferred Stock Redeemable convertible preferred stock disclosure. Redeemable Convertible Preferred Stock Disclosure [Text Block] Redeemable Convertible Preferred Stock Net cash provided by investing activities Net Cash Provided by (Used in) Investing Activities Counterparty Name [Domain] Increase (Decrease) in Right-of-Use Asset. Increase (Decrease) in Right-of-Use Asset Right-of-use asset Preferred to Common exchange ratio Preferred Stock, Convertible, Conversion Ratio Lease terminate option description Option to terminate, description Lessee, Operating Lease, Option to Terminate 201 Brookline Avenue Lease [Member] The Two Hundred And One Brookline Avenue Lease The Two Hundred And One Brookline Avenue Lease [Member] Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period Unvested restricted common stock outstanding, Forfeited Net Cash Provided by (Used in) Financing Activities Net cash provided by financing activities Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Additional Shares Authorized Increase in number of shares available for grant Entity Filer Category Entity Filer Category Research and development credit carryforwards Deferred Tax Assets, Tax Credit Carryforwards, Research Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract] Supplemental disclosure of noncash investing and financing activity: Other long-term assets Increase (Decrease) in Other Noncurrent Assets Unrealized gain (loss) on marketable securities Unrealized (loss) gain on marketable securities Marketable Securities, Unrealized Gain (Loss), Total Milestone payments achieved. Milestone Payments Achieved Milestone payments achieved Payments to Acquire Marketable Securities, Total Payments to Acquire Marketable Securities Purchases of marketable securities Series A redeemable convertible preferred stock. Series A Redeemable Convertible Preferred Stock [Member] Series A Redeemable Convertible Preferred Stock [Member] Nonoperating Income (Expense) Total other income, net Capital Expenditures Incurred but Not yet Paid Purchases of property and equipment included in accounts payable and accrued expenses Liabilities Total liabilities Property, Plant and Equipment [Table] Schedule Of Property Plant And Equipment [Table] Income taxes. Income Taxes [Table] Income Taxes [Table] Total stockholders' equity Balance at the ending Balance at the beginning Equity, Attributable to Parent Defined Contribution Plan, Description Defined contribution plan, description Number Of Licensed Product. Number Of Licensed Product Number of licensed product Documents Incorporated by Reference [Text Block] Documents Incorporated by Reference Revenue recognized, cumulative catch-up adjustment Contract with Customer, Liability, Cumulative Catch-up Adjustment to Revenue, Modification of Contract Revenue recognized, cumulative catch-up adjustment Net loss Net loss Other income : Other income: Fair value asset level2 to level1 transfer amount. Fair Value Asset Level2 To Level1 Transfer Amount Fair value assets transfer from Level 2 to Level 1 Public Share [Member] Public shares. Public Shares [Member] Retroactive application of recapitalization (in Shares) Retroactive application of recapitalization shares. Retroactive Application Of Recapitalization Shares Class of Stock Disclosures [Abstract] Series A Shares [Member] Series A common shares. Series A Common Shares [Member] Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent State income taxes, net of federal benefit Minimum rent payments to be paid over noncancelable term. Minimum Rent Payments To Be Paid Over Noncancelable Term Minimum rent payments to be paid over the non-cancelable term First licensed product that achieves specified regulatory approval and sales milestones. First Licensed Product That Achieves Specified Regulatory Approval And Sales Milestones First licensed product that achieves specified regulatory approval and sales milestones Fair Value Measurement, Policy [Policy Text Block] Fair Value Measurements Statement of Financial Position [Abstract] Weighted-average common stock outstanding - diluted Weighted Average Number of Shares Outstanding, Diluted, Total Weighted Average Number of Shares Outstanding, Diluted Pre-funded warrants issued Stock Issued During Period, Value, Pre-funded warrants issued Stock issued during period, value, pre-funded warrants issued Return of capital from a stockholder - related party Proceeds from Contributed Capital Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] Schedule of Reconciliation of U.S. Federal Statutory Income Tax Rate to Company's Effective Income Tax Rate Deferred Financing Costs Deferred Financing Costs [Policy Text Block] Deferred financing costs. Disclosure of accounting policy for patent costs. Patent Costs [Policy Text Block] Patent Costs Operating Lease, Right-of-Use Asset, Periodic Reduction Noncash operating lease expense Effective tax rate Effective Income Tax Rate Reconciliation, Percent Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Total Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals Accruals and reserves Amortized Cost Debt Securities, Available-for-Sale, Amortized Cost Amortized Cost Operating Lease, Weighted Average Remaining Lease Term Weighted average remaining lease term in years Summary of Common Stock Outstanding After Consummation of Business Combination and PIPE Financing Transaction Schedule of Business Acquisitions by Acquisition, Equity Interest Issued or Issuable [Table Text Block] Increase of gross deferred tax assets Increase of Gross Deferred Tax Assets Increase of gross deferred tax assets. Use of Estimates, Policy [Policy Text Block] Use of Estimates Income Tax Disclosure [Text Block] Income Taxes Add: non-cash net assets assumed from BCTG Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets, Total Deferred Tax Assets, Net [Abstract] Deferred tax assets 'Weighted Average Exercise Price, Options outstanding Ending balance Weighted Average Exercise Price, Options outstanding Beginning balance Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Schedule of Earnings Per Share, Basic and Diluted Other-than-temporary Impairment Loss, Debt Securities, Available-for-sale, Total Other-than-temporary Impairment Loss, Debt Securities, Available-for-Sale Impairments to marketable securities or reserves for credit losses Leasehold Improvements [Member] Leasehold Improvements [Member] Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss Securities Greater than twelve months, Unrealized loss Income Tax Authority [Axis] Income Tax Authority Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Fair Value Disclosures [Abstract] Maximum number of shares issued as a proportion of outstanding capital stock on preceding December 31 Share-Based Compensation Arrangement by Share-Based Payment Award, Percentage of Outstanding Stock Maximum Summary of Net Proceeds from Business Combination and PIPE Financing Transactions Schedule of Business Acquisitions, by Acquisition [Table Text Block] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV Measurement Frequency [Domain] Measurement Frequency Payments to Acquire Property, Plant, and Equipment, Total Payments to Acquire Property, Plant, and Equipment Purchase of property and equipment Revision of Prior Period [Domain] Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period Unvested restricted common stock outstanding, Vested Common stock, shares issued Stock Issued During Period, Shares, New Issues Other Commitments [Axis] Employee-related Liabilities, Current, Total Employee-related Liabilities, Current Payroll and employee-related costs Business Acquisition [Axis] Business Acquisition Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations, Total Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations Cash, cash equivalents and restricted cash, end of period Cash, cash equivalents and restricted cash, beginning of period Deferred Revenue, Current, Total Deferred Revenue, Current Short-term deferred revenue Class of Warrant or Right [Axis] Proceeds from Sale and Maturity of Marketable Securities, Total Proceeds from Sale and Maturity of Marketable Securities Sales and maturities of marketable securities Income Tax Disclosure [Abstract] Tax Credit Carryforward, Name [Domain] Tax Credit Carryforward, Name Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class Operating Loss Carryforwards, Total Operating Loss Carryforwards Operating loss carryforwards