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Purchases of property and equipment Payments to Acquire Machinery and Equipment Issuance of common stock for director compensation, shares Issuance of common stock for director compensation(shares) Issuance of common stock for director compensation(shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Intrinsic Value Revenue from Collaborative Arrangement, Excluding Revenue from Contract with Customer Collaboration and other revenue Cover [Abstract] Net decrease in cash and cash equivalents Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Excluding Exchange Rate Effect Comprehensive Loss Comprehensive Income, Policy [Policy Text Block] Earnings Per Share, Basic, Total Earnings Per Share, Basic Net loss per common share, basic Operating expenses: Operating Expenses [Abstract] Himalaya Therapeutics SEZC Himalaya Therapeutics S E Z C [Member] Himalaya therapeutics sezc member Shares available for awards, description Shares Available For Awards Description Shares available for awards, description. 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Common shares authorized for issuance Components of Lease Expense Lease, Cost [Table Text Block] Statement of Stockholders' Equity [Abstract] Document Fiscal Period Focus Document Fiscal Period Focus Research and development expense (includes related party amounts of $1,775 and $2,025 for the three and nine months ended September 30, 2024 and $0 and $125 for the three and nine months ended September 30, 2023, respectively) Research and development expense Research and Development Expense Research and Development Expense, Total Granted, Number of Shares Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross Share Based Compensation Arrangement By Share Based Payment Award Percentage Of Outstanding Stock Maximum Share-Based Compensation Arrangement by Share-Based Payment Award, Percentage of Outstanding Stock Maximum Property, plant and equipment, gross Property, Plant and Equipment, Gross Property, Plant and Equipment, Gross, Total Property, Plant and Equipment, Gross, Beginning Balance Property, Plant and Equipment, Gross, Ending Balance Leases Lessee, Leases [Policy Text Block] Summary of Assumptions Used in Black-Scholes Model Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] Collaboration Agreement Start Date Collaboration agreement start date. Collaboration Amendment Date 2023 Operating Leases, Future Minimum Payments, Due in Two Years Financial Instruments [Domain] Percentage of Annual increased Shares Percentage of Annual increased Shares Sale of Stock Sale of Stock [Axis] Cash flows from investing activities Net Cash Provided by (Used in) Investing Activities [Abstract] Issuance of common stock under equity incentive plans, net of shares withheld for taxes Stock Issued During Period, Value, Other Other accrued expenses Other Accrued Liabilities, Current Liabilities and Stockholders’ Equity Liabilities and Equity [Abstract] Document Period End Date Document Period End Date Net Cash Provided by (Used in) Financing Activities Net cash provided by (used in) financing activities 2020 Equity Incentive Plan [Member] Two Thousand Twenty Equity Incentive Plan [Member] Two thousand twenty equity incentive plan. Stockholders' Equity Note [Abstract] Awards available for future issuance Stock Issued During Period, Shares, Restricted Stock Award, Gross Compensation Cost for the Modified Unvested Options Compensation Cost for the Modified Unvested Options Compensation Cost for the Modified Unvested Options Anti-dilutive securities excluded from calculation of diluted net loss per share Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Stock-based compensation expense APIC, Share-Based Payment Arrangement, Increase for Cost Recognition APIC, Share-based Payment Arrangement, Increase for Cost Recognition, Total Class B Common Stock Common Class B [Member] Common Class B Thereafter Lessee, Operating Lease, Liability, to be Paid, after Year Five Trading Symbol Trading Symbol Total stockholders’ equity Beginning balance Ending balance Equity, Attributable to Parent Beginning balances Ending balances Long-Lived Tangible Asset Long-Lived Tangible Asset [Axis] Stock-Based Compensation Share-Based Payment Arrangement [Policy Text Block] Derivative Instrument Derivative Instrument [Axis] Lessor Operating Leases Option To Extend Lessor Operating Leases Option To Extend. 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Organization And Summary Of Significant Accounting Policies [Line Items] Organization And Summary Of Significant Accounting Policies [Line Items] Common stock shares issued under ESPP Issuance of common stock, net of issuance costs, shares Stock Issued During Period, Shares, New Issues Vesting period Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period Entity Filer Category Entity Filer Category Ending balance Beginning balance Equity, Including Portion Attributable to Noncontrolling Interest Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, Total Other income: Nonoperating Income (Expense) [Abstract] Current Fiscal Year End Date Current Fiscal Year End Date Total fair value of options vested Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested in Period, Fair Value Less: imputed interest Less: imputed interest Lessee, Operating Lease, Liability, Undiscounted Excess Amount Non-cash stock-based compensation charges Stock-based compensation Share-Based Payment Arrangement, Noncash Expense Share-based Payment Arrangement, Noncash Expense, Total Related Party Transaction [Axis] Outstanding, Aggregate Intrinsic Value Outstanding, Aggregate Intrinsic Value Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Intrinsic Value Entity Registrant Name Entity Registrant Name Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Entity Emerging Growth Company Entity Emerging Growth Company Upfront Non-Refundable Payment Upfront Non Refundable Payment Upfront non-refundable payment. 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Private Placement of Common Stock [Member] Private Placement of Common Stock. 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