Lease liability current. Convertible preferred stock upon conversion of simple agreement for future equity, shares Vesting percentage Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage Stock Options [Member] Share-based Payment Arrangement, Option [Member] Entity Listing, Par Value Per Share Ending balance (in shares) Ending balance Beginning balance (in shares) Beginning balance Beginning balance Preferred stock, shares outstanding Preferred stock, shares issued Lease liabilities, noncurrent Lease liabilities, current Common stock, $0.0001 par value; 500,000,000 and 50,000,000 shares authorized at September 30, 2021 and December 31, 2020, respectively; 42,535,661 and 3,050,781 shares issued at September 30, 2021 and December 31, 2020, respectively, and 41,207,660 and 1,829,377 shares outstanding at September 30, 2021 and December 31, 2020, respectively Preferred stock: $0.0001 par value; 50,000,000 shares and no shares authorized at September 30, 2021 and December 31, 2020, respectively; no shares issued and outstanding at September 30, 2021 and December 31, 2020, respectively Preferred Stock, Value, Issued Preferred Stock, Value, Issued, Ending Balance Preferred Stock, Value, Issued, Beginning Balance Preferred Stock, Value, Issued, Total Convertible preferred stock, $0.0001 par value; no shares and 6,223,046 shares authorized at September 30, 2021 and December 31, 2020, respectively; no shares and 3,374,560 shares issued and outstanding at September 30, 2021 and December 31, 2020, respectively Proceeds from issuance of convertible preferred stock, net of issuance costs Less: amount representing interest Research and Development Expense [Member] General And Administrative Expense [Member] General and Administrative Expense [Member] Research and Development Expense [Member] Income Statement Location [Domain] Income Statement Location [Axis] Stock-based compensation expense Share-based Payment Arrangement, Expense Operating lease liabilities, current 2020 Plan 2020 Equity Incentive Plan [Member] Two thousand twenty equity incentive plan. Repayment of early exercise liability Early Repayment of Subordinated Debt Vesting of shares of common stock subject to repurchase, Share Sale of common stock Sale Of Common Stock Sale of common stock. Incremental vesting conditions placed on previously issued common shares, Share Incremental vesting conditions placed on previously issued common shares, Share Incremental Vesting Conditions Placed On Previously Issued Common Shares Incremental Vesting Conditions Placed On Previously Issued Common Shares Increase in authorized shares Increase In Authorized Shares Increase in authorized shares. Increase in authorized share due to forward stock split Increase In Authorized Share Due To Forward Stock Split Increase In Authorized Share Due To Forward Stock Split Issuance of Series A convertible preferred stock upon conversion of simple agreement for future equity, Share Issuance of Series A convertible preferred stock upon conversion of simple agreement for future equity Temporary Equity Stock Issued During Period Value Conversion Of Simple Agreement For Future Equity Temporary Equity Stock Issued During Period Value Conversion Of Simple Agreement For Future Equity Temporary Equity Stock Issued During Period Share Conversion Of Simple Agreement For Future Equity, Share Temporary Equity Stock Issued During Period Share Conversion Of Simple Agreement For Future Equity, Share Issuance of convertible preferred stock, net of issuance costs, Share Temporary Equity Stock Issued During Period Share New Issues Temporary Equity Stock Issued During Period Share New Issues Issuance of Series A convertible preferred stock upon conversion of simple agreement for future equity, Share Issuance of Series A convertible preferred stock upon conversion of simple agreement for future equity Stock Split Purchase of common stock Purchase Of Common Stock Purchase of common stock. Purchase of common stock through payroll deduction Purchase Of Common Stock Through Payroll Deduction Purchase of common stock through payroll deduction. Shares issued under employee stock purchase plan Stock Issued During Period, Shares, Employee Stock Purchase Plans Employee Stock Purchase Plan [Member] Employee Stock [Member] Preferred stock converted into shares of common stock, Share Stock Issued During Period, Shares, Conversion of Convertible Securities Initial public offering of common shares, net of issuance costs, Share Issuance of common stock for stock option exercises, Share Vesting Of Shares Of Common Stock Subject To Repurchase, Share Vesting Of Shares Of Common Stock Subject To Repurchase, Share Increase in common stock Stockholders' Equity, Increase Decrease In Common Stock Percent Stockholders' equity increase decrease in common stock percent. Total common stock available for future issuance Common Stock, Capital Shares Available For Future Issuance Common stock, capital shares available for future issuance. 2021 Plan Two Thousands And Twenty One Incentive Award Plan [Member] Two thousands and twenty one incentive award plan member. Summary of Assumptions used to Determine Fair Value of Stock Options Granted Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] 2021 Employee Stock Purchase Plan Twenty Twenty One Employee Stock Purchase Plan [Member] Twenty Twenty One Employee Stock Purchase Plan [Member] Preferred Stock Additional Shares Issued Preferred Stock Additional Shares Issued Preferred Stock, Shares Issued Preferred Stock, Shares Issued, Total Stock Issued During Period, Shares, New Issues Liabilities, Convertible Preferred Stock and Stockholders' Equity (Deficit) Total cash, cash equivalents and restricted cash Total cash, cash equivalents and restricted cash Share-based Payment Arrangement, Noncash Expense, Total Depreciation, Total Stock issuance costs Net Of Issuance Costs Net Of Issuance Costs. Stock price Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Stock Price Share based compensation arrangement by share based payment award fair value assumptions stock price. Liability of early exercise options, shares Provision Related To Repurchase Of Early Exercised Options Provision related to repurchase of early exercised options. Liability of early exercise options Liability Related To Repurchase Of Early Exercised Options Liability related to repurchase of early exercised options. Total common stock reserved for future issuance Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized Common stock outstanding percentage Common Stock Outstanding Percentage Common stock outstanding percentage. Total lease liabilities Lease Liabilities Lease liabilities. Lease liabilities, current Lease Liability Current Unrecognized compensation expense Share-based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount Expiration period Change in fair value of simple agreement for future equity Sale of stock Fair Value Adjustment Of Commitments. Fair Value Adjustment Of Commitments Change in fair value of SAFE commitments Operating lease liabilities, current Preferred stock, shares outstanding APIC, Share-based Payment Arrangement, Increase for Cost Recognition, Total Preferred Stock, Shares Outstanding, Ending Balance Preferred Stock, Shares Outstanding, Beginning Balance Finance Lease, Liability, Total 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 Common Stock, Shares, Outstanding, Ending Balance Common Stock, Shares, Outstanding, Beginning Balance Earnings Per Share, Basic and Diluted, Total Additional Paid in Capital, Common Stock, Ending Balance Additional Paid in Capital, Common Stock, Beginning Balance Weighted Average Number of Shares Outstanding, Basic, Total Accounts Payable, Current, Total Loss Contingency Accrual, Ending Balance Loss Contingency Accrual, Beginning Balance Other Liabilities, Noncurrent, Total Common Stock, Shares, Issued, Total Property, Plant and Equipment, Net, Ending Balance Property, Plant and Equipment, Net, Beginning Balance General and Administrative Expense, Total IPO [Member] Series A Preferred Stock [Member] Series A Preferred Stock [Member] Series B Preferred Stock [Member] Series B Preferred Stock [Member] Stock Issued During Period Shares Stock Options Exercised Stock option exercised Shares Issued Price Per Share Share price, par value Convertible Preferred Stock Shares Issued Upon Conversion Convertible preferred stock, shares Proceeds From Issuance Of Preferred Stock And Preference Stock Gross proceeds Significant Accounting Policies. Significant Accounting Policies [Line Items] Significant Accounting Policies [Line Items] Significant Accounting Policies. Significant Accounting Policies [Table] Sale of Stock, Number of Shares Issued in Transaction Deferred issuance costs included in accounts payable and accrued expenses Series B Convertible Preferred Stock [Member] Loss on disposal of property and equipment Accounts payable, accrued expenses and other liabilities Proceeds from sale of property and equipment Proceeds from Sale of Property, Plant, and Equipment Proceeds from Sale of Property, Plant, and Equipment, Total Loss on disposal of property and equipment Gain (Loss) on Disposition of Property Plant Equipment Gain (Loss) on Disposition of Property Plant Equipment, Total Convertible Preferred Stock [Member] Total liabilities, convertible preferred stock and stockholders' equity (deficit) Stockholders' equity (deficit): Accounts payable (including related party amounts of $68 and $0, respectively) Van Den Boom & Associates, LLC Restricted Stock [Member] Future Tranche Right [Member] Series A And Series B Convertible Preferred Stock [Member] Operating Lease Liability Noncurrent, Total Net proceeds from exchange of stocks Other Assets, Noncurrent, Total 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 Depreciation, Depletion and Amortization, Total Research and Development Expense, Total Restricted Cash and Cash Equivalents, Total Property, Plant and Equipment, Gross, Ending Balance Property, Plant and Equipment, Gross, Beginning Balance Property, Plant and Equipment, Gross, Total Finance Lease, Right-of-Use Asset, after Accumulated Amortization, Total Other Nonoperating Expense, Total Retained Earnings (Accumulated Deficit), Ending Balance Retained Earnings (Accumulated Deficit), Beginning Balance Retained Earnings (Accumulated Deficit), Total Increase (Decrease) in Accounts Payable and Accrued Liabilities, Total Long-term Line of Credit, Total Significant Accounting Policies [Table] Related Party Transactions By Related Party [Axis] Related Party Related Party [Domain] Related Party Van Den Boom and Associates, LLC. Van Den Boom And Associates L L C [Member] Stockholders Equity Note Stock Split Conversion Ratio1 Forward stock split conversion Stockholders Equity Note Stock Split Stockholders' equity stock split conversion Loss Contingency Accrual At Carrying Value Loss contingency accrual Due To Other Related Parties Current And Noncurrent Due to other related parties Fair Value By Balance Sheet Grouping [Table] Fair Value By Balance Sheet Grouping [Table] Cash And Cash Equivalents [Axis] Cash and Cash Equivalents Restricted Cash And Cash Equivalents Cash And Cash Equivalents [Member] Cash and Cash Equivalents Money Market Funds [Member] Money Market Funds Fair Value By Fair Value Hierarchy Level [Axis] Fair Value Hierarchy and NAV Fair Value Measurements Fair Value Hierarchy [Domain] Total lease liabilities Operating Lease Weighted Average Discount Rate Percent Weighted-average incremental borrowing rate - operating leases Security Deposit Line Of Credit Finance Lease Right Of Use Asset Finance lease assets Liabilities [Abstract] Liabilities Operating Lease Liability Current Operating Lease Liability Noncurrent Operating lease liabilities, noncurrent Finance Lease Liability Finance lease liabilities, current Operating Lease Cost Operating lease cost Finance Lease Right Of Use Asset Amortization Amortization of ROU assets Finance Lease Interest Expense Interest on lease liabilities Lessee Operating Lease Liability Payments Remainder Of Fiscal Year 2021 (remaining three months) Lessee Operating Lease Liability Payments Due Next Twelve Months 2022 Lessee Operating Lease Liability Payments Due Year Two 2023 Lessee Operating Lease Liability Payments Due Year Three 2024 Lessee Operating Lease Liability Payments Due Year Four 2025 Lessee Operating Lease Liability Payments Due Total minimum lease payments Lessee Operating Lease Liability Undiscounted Excess Amount Less: amount representing interest Operating Lease Weighted Average Remaining Lease Term1 Weighted-average remaining lease term (years) - operating leases Finance Lease Weighted Average Remaining Lease Term1 Weighted-average remaining lease term (years) - finance leases Finance Lease Weighted Average Discount Rate Percent Weighted-average incremental borrowing rate - finance leases Fair Value Hierarchy and NAV Fair Value Inputs Level1 [Member] Level 1 Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items] Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items] Cash And Cash Equivalents Fair Value Disclosure Cash and cash equivalents, fair value Fair Value Measurement With Unobservable Inputs Reconciliation Liability Transfers Out Of Level3 Transfers of financial instrument classified as liability out of level 3 Schedule Of Property Plant And Equipment [Table] Schedule Of Property Plant And Equipment [Table] Property Plant And Equipment By Type [Axis] Long-Lived Tangible Asset Property Plant And Equipment Type [Domain] Long-Lived Tangible Asset Equipment [Member] Equipment Computers and software. Computers And Software [Member] Computers and Software Leasehold Improvements [Member] Leasehold Improvements Furniture And Fixtures [Member] Furniture and Fixtures Property Plant And Equipment [Line Items] Property Plant And Equipment [Line Items] Property Plant And Equipment Gross Property plant and equipment, gross Accumulated Depreciation Depletion And Amortization Property Plant And Equipment Less: accumulated depreciation Depreciation Depreciation Accrued research and development. Accrued Research And Development Accrued research and development Accrued other general and administrative fees. Accrued Other General And Administrative Fees Accrued other general and administrative fees Accrued Employee Benefits Current Accrued payroll and other employee benefits Accrued Professional Fees Current Accrued legal and professional fees Preferred Stock Shares Outstanding Preferred Stock Convertible Conversion Price Increase Preferred Stock, Convertible, Conversion Price, Increase Schedule Of Stock By Class [Table] Schedule Of Stock By Class [Table] Vesting [Axis] Vesting Vesting [Domain] Vesting Share Based Compensation Award Tranche One [Member] Series A and Series B convertible preferred stock Series A And Series B Convertible Preferred Stock [Member] Convertible preferred stock Convertible Preferred Stock Convertible preferred stock Common stock options granted and outstanding Common Stock Options Granted And Outstanding Common stock options granted and outstanding Plan Name [Axis] Plan Name Plan Name [Domain] Plan Name Twenty Twenty Equity Incentive Plan [Member] Twenty twenty one equity incentive plan member. Twenty Twenty One Equity Incentive Plan [Member] Total stockholders' equity (deficit) License Agreement [Abstract] Leases [Abstract] Lessee Operating Leases [Text Block] Leases Subsequent Events [Abstract] Subsequent Events [Text Block] Subsequent Events .Organization. Other long-term liabilities Liabilities Total liabilities Commitments And Contingencies Commitments and contingencies (Note 2) Temporary Equity Carrying Amount Attributable To Parent Stockholders Equity [Abstract] Common Stock Value Additional Paid In Capital Common Stock Additional paid-in capital Retained Earnings Accumulated Deficit Accumulated deficit Stockholders Equity Ending balance Beginning balance Liabilities And Stockholders Equity Statement [Table] Statement [Table] Statement Class Of Stock [Axis] Class of Stock Class Of Stock [Domain] Class of Stock Series A convertible preferred stock. Series A Convertible Preferred Stock [Member] Series A Convertible Preferred Stock [Member] Statement [Line Items] Statement [Line Items] Accounts Payable Related Parties Current Accounts payable, related parties Temporary Equity Par Or Stated Value Per Share Preferred stock, par value Temporary Equity Shares Authorized Preferred stock, shares authorized Temporary Equity Shares Issued Preferred stock, shares issued Temporary Equity Shares Outstanding Common Stock Par Or Stated Value Per Share Common stock, par value Common Stock Shares Authorized Common stock, shares authorized Common Stock Shares Issued Common stock, shares issued Common Stock Shares Outstanding Common stock, shares outstanding Income Statement [Abstract] Operating Expenses [Abstract] Operating expenses: Research And Development Expense Research and development General And Administrative Expense General and administrative (including related party amounts of $0, $0, $0 and $0, respectively) Operating Expenses Total operating expenses Operating Income Loss Loss from operations Other Nonoperating Income Expense [Abstract] Other (expense) income: Investment Income Interest Interest income Other Nonoperating Expense Other expense Nonoperating Income Expense Total other expense Net Income Loss Net loss Net loss and comprehensive loss Earnings Per Share Basic And Diluted Net loss per share, basic and diluted Weighted Average Number Of Share Outstanding Basic And Diluted Weighted average shares used to compute net loss per common share, basic and diluted Related Party Transaction Selling General And Administrative Expenses From Transactions With Related Party Related party transaction, selling, general and administrative expenses Vesting of shares of common stock subject to repurchase. Vesting Of Shares Of Common Stock Subject To Repurchase Vesting of shares of common stock subject to repurchase Statement Of Stockholders Equity [Abstract] Series B convertible preferred stock. Series B Convertible Preferred Stock [Member] Statement Equity Components [Axis] Equity Components Equity Component [Domain] Equity Component Common Stock [Member] Common Stock Additional Paid In Capital [Member] Additional Paid-in Capital Retained Earnings [Member] Accumulated Deficit Shares Outstanding Ending balance (in shares) Beginning balance (in shares) Temporary Equity Stock Issued During Period Value New Issues Issuance of convertible preferred stock, net of issuance costs Stock Issued During Period Value Conversion Of Convertible Securities Preferred stock converted into shares of common stock Stock Issued During Period Value New Issues Initial public offering of common shares, net of issuance costs Stock Issued During Period Value Stock Options Exercised Issuance of common stock for stock option exercises Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value Stock-based compensation Increase decrease in right of use assets and lease liabilities net. Increase Decrease In Right Of Use Assets And Lease Liabilities Net Right-of-use assets and lease liabilities, net Deferred Offering Costs Included In Accrued Expenses Deferred Offering Costs Included In Accrued Expenses Statement Of Cash Flows [Abstract] Net Cash Provided By Used In Operating Activities [Abstract] Cash flows from operating activities: Adjustments To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities [Abstract] Adjustments to reconcile net loss to net cash used in operations: Depreciation Depletion And Amortization Depreciation and amortization Share Based Compensation Stock-based compensation Increase Decrease In Operating Capital [Abstract] Changes in operating assets and liabilities: Increase Decrease In Prepaid Expenses Other Prepaid expenses and other assets Increase Decrease In Accounts Payable And Accrued Liabilities Net Cash Provided By Used In Operating Activities Net cash used in operating activities Net Cash Provided By Used In Investing Activities [Abstract] Cash flows from investing activities: Payments To Acquire Property Plant And Equipment Purchases of property and equipment Net Cash Provided By Used In Investing Activities Net cash used in investing activities Net Cash Provided By Used In Financing Activities [Abstract] Cash flows from financing activities: Proceeds From Issuance Initial Public Offering Proceeds from initial public offering, net of issuance costs Proceeds From Issuance Of Convertible Preferred Stock Award Type [Axis] Award Type Share Based Compensation Arrangements By Share Based Payment Award Award Type And Plan Name [Domain] Award Type Restricted Stock [Member] Class Of Stock [Line Items] Class Of Stock [Line Items] Capital Units Authorized Capital shares authorized Preferred Stock Shares Authorized Preferred stock, shares authorized Preferred Stock Par Or Stated Value Per Share Preferred stock, par value Proceeds From Stock Options Exercised Proceeds from exercise of stock options Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans Proceeds from early exercise of stock options Finance Lease Principal Payments Cash paid for finance lease liabilities - principal Payments for financing lease Net Cash Provided By Used In Financing Activities Net cash provided by financing activities Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect Net cash increase for the period Cash, cash equivalents and restricted cash at end of the period Cash, cash equivalents and restricted cash at beginning of the period Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents [Abstract] Reconciliation of cash, cash equivalents and restricted cash to the balance sheet Restricted Cash And Cash Equivalents Restricted cash Supplemental Cash Flow Information [Abstract] Supplemental disclosure of cash flow information: Noncash Investing And Financing Items [Abstract] Non-cash investing and financing activities: Capital Expenditures Incurred But Not Yet Paid Purchases of equipment included in accounts payable Right Of Use Asset Obtained In Exchange For Operating Lease Liability Right-of-use asset obtained in exchange for lease liability Organization Consolidation And Presentation Of Financial Statements [Abstract] Organization Consolidation And Presentation Of Financial Statements Disclosure [Text Block] Organization and Basis of Presentation Accounting Policies [Abstract] Significant Accounting Policies [Text Block] Summary of Significant Accounting Policies Fair Value Disclosures [Abstract] Fair Value Disclosures [Text Block] Fair Value Measurements Property Plant And Equipment [Abstract] Property Plant And Equipment Disclosure [Text Block] Property and Equipment Accrued Liabilities Current [Abstract] Accounts Payable Accrued Liabilities And Other Liabilities Disclosure Current [Text Block] Accrued and Other Current Liabilities Simple Agreements for Future Equity Text Block Simple Agreements For Future Equity [Text Block] Simple Agreements for Future Equity Simple Agreements for Future Equity Abstract. Simple Agreements For Future Equity [Abstract] Equity [Abstract] Stockholders Equity Note Disclosure [Text Block] Convertible Preferred Stock and Stockholders' Deficit Earnings Per Share [Abstract] Earnings Per Share [Text Block] Organization Policy [Text Block] Organization Initial public offering. Initial Public Offering Policy Policy [Text Block] Initial Public Offering Liquidity. Liquidity Policy [Text Block] Liquidity Basis Of Accounting Policy Policy [Text Block] Basis of Presentation Forward stock split. Forward Stock Split Policy [Text Block] Deferred offering costs. Deferred Offering Costs Policy [Text Block] Deferred Offering Costs Commitments And Contingencies Policy [Text Block] Commitments and Contingencies Related parties. Related Parties Policy [Text Block] Related Parties New Accounting Pronouncements Policy Policy [Text Block] Recently Issued Accounting Pronouncements Property Plant And Equipment [Text Block] Schedule of Property and Equipment Schedule Of Accrued Liabilities Table [Text Block] Schedule of Accrued and Other Current Liabilities Reserved Shares Of Common Stock For Future Issuance. Reserved Shares Of Common Stock For Future Issuance Table [Text Block] Summary of Reserved Shares of Common Stock Schedule Of Share Based Compensation Stock Options Activity Table [Text Block] Summary of Stock Option Activity Schedule Of Share Based Payment Award Employee Stock Purchase Plan Valuation Assumptions Table [Text Block] Summary of Fair Value of Stock Option Grants Schedule Of Earnings Per Share Basic And Diluted Table [Text Block] Basic and Diluted Net Loss Per Share Schedule Of Antidilutive Securities Excluded From Computation Of Earnings Per Share [Text Block] Potentially Dilutive Securities Including All Outstanding Stock Options were excluded in Calculation of Diluted Shares Outstanding Lease Cost Table [Text Block] Summary of Components of Lease Cost Subsidiary Sale Of Stock [Axis] Sale of Stock Sale Of Stock Name Of Transaction [Domain] Sale of Stock I P O [Member] Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period Weighted average shares used to compute net loss per common share, basic and diluted Milestones payments. Milestones Payments Milestones payments License Agreement License Agreement [Text Block] License agreement text block. Lease assets obtained in exchange for operating lease liabilities Loss from operations Schedule of Lease Liabilities with Weighted Average Remaining Term and Weighted Average Discount Rate Carlsbad Lease [Member] Carlsbad lease. Security deposit Long-term line of credit Right-of-use asset Operating lease right of use asset Number of lease term renewal option Number of Lease Term Renewal Number of lease term renewal. Denominator: Numerator: Denominator [Abstract] Denominator [Abstract] Numerator [Abstract] Numerator Weighted average unvested common stock issued upon exercise of common stock options Weighted average unvested common stock issued upon early exercise of common stock options. Weighted average unvested founder shares of common stock Weighted average unvested founder shares of common stock. Schedule of Maturities of Lease Liabilities with Weighted Average Remaining Term and Discount Rate Table Text Block Schedule of maturities of lease liabilities along with weighted average remaining term and discount rate. Schedule of Right-of-Use Lease Assets and Lease Liabilities Schedule of Supplemental Balance Sheet Information Related to Leases Table Text Block Schedule of supplemental balance sheet information related to leases. Supplemental Cash Flows Information Related to Lease Liabilities Total common stock reserved for future issuance 2021 Equity Incentive Plan [Member] Schedule of Cash Flow, Supplemental Disclosures [Table Text Block] Common Stock, Value, Issued, Ending Balance Common Stock, Value, Issued, Beginning Balance Common Stock, Value, Issued, Total Payments to Acquire Property, Plant, and Equipment, Total Entity Central Index Key Entity Central Index Key Lessee operating lease liability payments due after year four. Lessee Operating Lease Liability Payments Due After Year Four Thereafter Cover [Abstract] Document Type Document Type Amendment Flag Amendment Flag Document Period End Date Document Period End Date Document Fiscal Year Focus Document Fiscal Year Focus Document Fiscal Period Focus Document Fiscal Period Focus Current Fiscal Year End Date Current Fiscal Year End Date Entity Registrant Name Entity Registrant Name Entity Emerging Growth Company Entity Emerging Growth Company Entity Ex Transition Period Entity Ex Transition Period Entity File Number Entity File Number Entity Incorporation State Country Code Entity Incorporation, State or Country Code Entity Tax Identification Number Entity Tax Identification Number Entity Address Address Line1 Entity Address, Address Line One Entity Address City Or Town Entity Address, City or Town Entity Address State Or Province Entity Address, State or Province Entity Address Postal Zip Code Entity Address, Postal Zip Code City Area Code City Area Code Local Phone Number Local Phone Number Entity Common Stock Shares Outstanding Entity Common Stock, Shares Outstanding Security12b Title Title of 12(b) Security Trading Symbol Trading Symbol Security Exchange Name Security Exchange Name Entity Current Reporting Status Entity Current Reporting Status Entity Interactive Data Current Entity Interactive Data Current Entity Shell Company Entity Shell Company Entity Filer Category Entity Filer Category Entity Small Business Entity Small Business Document Transition Report Document Transition Report Document Quarterly Report Document Quarterly Report Right of Use Asset. Right Of Use Asset Right-of-use asset Total lease assets Statement Of Financial Position [Abstract] Assets [Abstract] Assets Assets Current [Abstract] Current assets: Cash And Cash Equivalents At Carrying Value Cash and cash equivalents Prepaid Expense And Other Assets Current Prepaid and other current assets Assets Current Total current assets Restricted Cash Noncurrent Restricted cash Property Plant And Equipment Net Property and equipment, net Total property and equipment, net Other Assets Noncurrent Other long-term assets Assets Total assets Liabilities And Stockholders Equity [Abstract] Liabilities Current [Abstract] Current liabilities: Accounts Payable Current Other Accrued Liabilities Current Accrued and other current liabilities Total accrued and other current liabilities Liabilities Current Total current liabilities Other Liabilities Noncurrent Net Loss Per Share License agreement abstract. Common Stock Capital Shares Reserved For Future Issuance Unvested founders stock outstanding Unvested Founders Stock Outstanding Unvested founders stock outstanding Common stock share modified Common Stock Share Modified Common stock share modified Compensation cost Compensation Cost Compensation cost Share Based Compensation Arrangement By Share Based Payment Award Award Vesting Period1 Vesting period Forward Contract Indexed To Equity Settlement Share Fair Value Per Share Fair value measurement, per share Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested Number Of Shares Shares vested Compensation Expense Excluding Cost Of Good And Service Sold Stock-based compensation expense Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number Number of Outstanding Options, Ending balance Number of Outstanding Options, Beginning balance Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross Number of Outstanding Options, Granted Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number Number of Outstanding Options, Exercisable Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Number Number of Outstanding Options, Vested and expected to vest Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price Weighted- Average Exercise Price, Ending balance Weighted- Average Exercise Price, Beginning balance Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price Weighted- Average Exercise Price, Granted Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price Weighted- Average Exercise Price, Exercised Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price Weighted- Average Exercise Price, Exercisable Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Exercise Price Weighted- Average Exercise Price, Vested and expected to vest Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 Weighted- Average Remaining Contractual Term Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 Weighted- Average Remaining Contractual Term, Exercisable Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Remaining Contractual Term1 Weighted- Average Remaining Contractual Term, Vested and expected to vest Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value Aggregate Intrinsic Value, Ending balance Aggregate Intrinsic Value, Beginning balance Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value Aggregate Intrinsic Value, Exercised Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 Aggregate Intrinsic Value, Exercisable Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Aggregate Intrinsic Value Aggregate Intrinsic Value, Vested and expected to vest Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested In Period Fair Value1 Fair value of vested stock options Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value Weighted average grant fair value Stock Repurchase Program Number Of Shares Authorized To Be Repurchased Repurchase of unvested shares issued Range [Axis] Statistical Measurement Range [Member] Statistical Measurement Minimum [Member] Minimum Maximum [Member] Maximum Sale Of Stock Price Per Share Stock price Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate Risk-free rate of interest Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 Expected term (years) Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate Expected stock price volatility Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate Dividend yield Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Stock Options Unrecognized compensation cost related to options Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1 Term of recognized expense Schedule Of Antidilutive Securities Excluded From Computation Of Earnings Per Share [Table] Schedule Of Antidilutive Securities Excluded From Computation Of Earnings Per Share [Table] Unvested restricted common stock member. Unvested Restricted Common Stock [Member] Unvested Restricted Common Stock Unvested common stock exercise of stock options member. Unvested Common Stock Exercise Of Stock Options [Member] Unvested Common Stock Exercise Of Stock Options Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items] Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items] Weighted Average Number Of Shares Outstanding Basic Weighted average common shares outstanding Convertible Preferred Stock [Member] Stock options to purchase common stock member. Stock Options To Purchase Common Stock [Member] Stock Options To Purchase Common Stock Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount Antidilutive securities excluded from computation of earnings per share, amount Lessee Lease Description [Table] Lessee Lease Description [Table] Lease Contractual Term [Axis] Lease Contractual Term Lease Contractual Term [Domain] Lease Contractual Term Lessee Lease Description [Line Items] Lessee Lease Description [Line Items] Lessee Operating Lease Term Of Contract Operating lease term of contract Lessee Operating Lease Option To Extend Operating lease option to extend Lessee Operating Lease Existence Of Option To Extend Operating lease, existence of option to extend Lessee Operating Lease Renewal Term Operating lease renewal term Operating Lease Right Of Use Asset Operating Lease Liability Operating lease liability