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Schedule of Maturities of Lease Liabilities with Weighted Average Remaining Term and Discount Rate Table Text Block Schedule of Lease Liabilities with Weighted Average Remaining Term and Weighted Average Discount Rate Schedule of Fair Value, off-Balance-Sheet Risks [Table] Schedule of Subsidiary or Equity Method Investee [Table] Sale of Stock Sale of Stock [Domain] Total current liabilities Liabilities, Current Lessee, Operating Lease, Liability, to be Paid, Year Three 2026 Right-of-use assets and lease liabilities, net Increase Decrease In Right Of Use Assets And Lease Liabilities Net Increase decrease in right of use assets and lease liabilities net. Fair Value Measurements Recurring Fair Value, Recurring [Member] Purchase of common stock through payroll deduction. 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Options to purchase common stock Significant Accounting Policies [Table] Significant Accounting Policies [Table] Significant Accounting Policies. 2023 (remaining six months) Lessee, Operating Lease, Liability, to be Paid, Remainder of Fiscal Year Weighted Average Number of Shares Outstanding, Basic, Total Weighted Average Number of Shares Outstanding, Basic Weighted - average shares used to compute net loss per common share - basic City Area Code City Area Code Aggregate Intrinsic Value, Beginning balance Aggregate Intrinsic Value, Ending balance Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Intrinsic Value Share-Based Payment Arrangement [Abstract] Total liabilities Liabilities Document Period End Date Document Period End Date Lease Contractual Term [Domain] Restricted Stock [Member] Restricted Stock [Member] Weighted average grant fair value Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value Operating lease renewal term Lessee, Operating Lease, Renewal Term Receivable from exercise of stock options included in prepaid and other current assets Receivable From Exercise Of Stock Options Included In Prepaid And Other Current Assets Receivable From Exercise Of Stock Options Included In Prepaid And Other Current Assets Van Den Boom And Associates L L C [Member] Van Den Boom and Associates, LLC. 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Accrued other general and administrative fees Accrued Other General And Administrative Fees Accrued other general and administrative fees. 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Commitments and Contingencies Disclosure [Text Block] Commitments and Contingencies Weighted- Average Exercise Price, Exercised Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Total assets Assets, Fair Value Adjustment Net loss and comprehensive loss Net loss Net Income (Loss) Attributable to Parent Operating lease liabilities, current Operating Lease, Liability, Current Lease liabilities, current Operating lease liabilities, current Twenty Twenty One Equity Incentive Plan [Member] Twenty twenty one equity incentive plan member. 2021 Equity Incentive Plan [Member] Additional Paid-in Capital [Member] Additional Paid-in Capital [Member] Vesting of options early exercised subject to repurchase Vesting of options early exercised subject to repurchase Entity Registrant Name Entity Registrant Name Schedule of Common Stock Outstanding Roll Forward [Table Text Block] Schedule of Common Stock Reserved for Future Issuance Cash and Cash Equivalents Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value 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 Related Parties Related Parties Policy [Text Block] Related parties. Earnings Per Share [Text Block] Net Loss Per Share Series B Convertible Preferred Stock [Member] Series B convertible preferred stock. Series B Convertible Preferred Stock [Member] Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions Unvested Common Stock Exercise Of Stock Options [Member] Unvested common stock exercise of stock options member. 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Less: weighted average unvested common stock issued upon early exercise of common stock options License agreement text block. License Agreement [Text Block] License Agreement Weighted- Average Exercise Price, Exercisable Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Exercise Price Thereafter Lessee Operating Lease Liability Payments Due After Year Four Lessee operating lease liability payments due after year four. Stockholders' Equity Attributable to Parent [Abstract] Stockholders' equity: Expansion Lease Agreement [Member] Expansion Lease Agreement [Member] ATM Sales Agreement ATM Sales Agreement [Member] ATM Sales Agreement [Member] Award Type Award Type [Axis] Number of lease term renewal. 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Two Thousands And Twenty One Incentive Award Plan [Member] 2021 Plan Income Statement Location [Domain] Prepaid expenses and other assets Increase (Decrease) in Prepaid Expenses, Other Property, Plant and Equipment [Abstract] License Agreement [Abstract] License agreement abstract. 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