Entity Central Index Key Cover [Abstract] Entity Registrant Name Entity Registrant Name Document Type Document Type Current Fiscal Year End Date Current Fiscal Year End Date Entity Common Stock, Shares Outstanding Entity Common Stock Shares Outstanding Amendment Flag Amendment Flag Entity Central Index Key Entity Central Index Key Entity Filer Category Entity Filer Category Document Period End Date Document Period End Date Document Fiscal Year Focus Document Fiscal Year Focus Document Fiscal Period Focus Document Fiscal Period Focus Entity Current Reporting Status Entity Current Reporting Status Entity Interactive Data Current Entity Interactive Data Current Entity Shell Company Entity Shell Company Entity Small Business Entity Small Business 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 or Country Code Entity Incorporation State Country Code Entity Tax Identification Number Entity Tax Identification Number Entity Address, Address Line One Entity Address Address Line1 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 Document Quarterly Report Document Quarterly Report Document Transition Report Document Transition Report Title of 12(b) Security Security12b Title Trading Symbol Trading Symbol Security Exchange Name Security Exchange Name Collaboration revenue receivable. Accrued expenses and other liabilities current. Statement Of Financial Position [Abstract] Assets Assets [Abstract] Current assets: Assets Current [Abstract] Cash and cash equivalents Cash And Cash Equivalents At Carrying Value Collaboration revenue receivable Collaboration Revenue Receivable Prepaid expenses and other current assets Prepaid Expense And Other Assets Current Total current assets Assets Current Property and equipment, net Property Plant And Equipment Net Operating lease right-of-use assets Operating Lease Right Of Use Asset Restricted cash Restricted Cash Noncurrent Other assets Other Assets Noncurrent Total assets Assets Liabilities and Stockholders’ Equity Liabilities And Stockholders Equity [Abstract] Current liabilities: Liabilities Current [Abstract] Accounts payable Accounts Payable Current Accrued expenses and other current liabilities Accrued Expenses And Other Liabilities Current Operating lease liabilities Operating Lease Liability Current Deferred revenue Deferred Revenue Current Total current liabilities Liabilities Current Operating lease liabilities, net of current portion Operating Lease Liability Noncurrent Deferred revenue, net of current portion Deferred Revenue Noncurrent Total liabilities Liabilities Commitments and contingencies (Note 8) Commitments And Contingencies Stockholders’ equity: Stockholders Equity [Abstract] Common stock, $0.001 par value; 200,000,000 shares authorized at March 31, 2022 and December 31, 2021; 13,009,896 and 13,007,178 shares issued and outstanding at March 31, 2022 and December 31, 2021, respectively Common Stock Value Additional paid-in capital Additional Paid In Capital Common Stock Accumulated deficit Retained Earnings Accumulated Deficit Total stockholders’ equity Stockholders Equity Total liabilities and stockholders’ equity Liabilities And Stockholders Equity Common stock par value Common Stock Par Or Stated Value Per Share 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] Collaboration revenue Revenue From Contract With Customer Excluding Assessed Tax Operating expenses: Operating Expenses [Abstract] Research and development Research And Development Expense General and administrative General And Administrative Expense Total operating expenses Operating Expenses Loss from operations Operating Income Loss Other income: Nonoperating Income Expense [Abstract] Interest income Investment Income Interest Total other income Nonoperating Income Expense Net loss Net Income Loss Comprehensive loss Comprehensive Income Net Of Tax Net loss per share attributable to common stockholders—basic and diluted Earnings Per Share Basic And Diluted Weighted-average common shares outstanding—basic and diluted Weighted Average Number Of Share Outstanding Basic And Diluted Statement Of Stockholders Equity [Abstract] Statement [Table] Statement [Table] Equity Components Statement Equity Components [Axis] Equity Component Equity Component [Domain] Common Stock Common Stock [Member] Additional Paid-in Capital Additional Paid In Capital [Member] Accumulated Deficit Retained Earnings [Member] Statement [Line Items] Statement [Line Items] Balance Balance, Shares Shares Outstanding Exercise of common stock options Stock Issued During Period Value Stock Options Exercised Exercise of common stock options, Shares Stock Issued During Period Shares Stock Options Exercised Stock-based compensation Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value Net loss Balance Balance, Shares Increase decrease in operating lease right-of-use asset. Increase decrease in accrued expenses and other current liabilities. Deferred offering costs incurred but not yet paid. Statement Of Cash Flows [Abstract] Cash flows from operating activities: Net Cash Provided By Used In Operating Activities [Abstract] Net loss Profit Loss Adjustments to reconcile net loss to net cash used in operating activities: Adjustments To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities [Abstract] Stock-based compensation Share Based Compensation Depreciation expense Depreciation Changes in operating assets and liabilities: Increase Decrease In Operating Capital [Abstract] Collaboration revenue receivable Increase Decrease In Contract With Customer Asset Prepaid expenses and other current assets Increase Decrease In Prepaid Deferred Expense And Other Assets Operating lease right-of-use assets Increase Decrease In Operating Lease Right Of Use Asset Other assets Increase Decrease In Other Current Assets Accounts payable Increase Decrease In Accounts Payable Accrued expenses and other current liabilities Increase Decrease In Accrued Expenses And Other Current Liabilities Operating lease liabilities Increase Decrease In Operating Lease Liability Deferred revenue Increase Decrease In Contract With Customer Liability Net cash used in operating activities Net Cash Provided By Used In Operating Activities Cash flows from investing activities: Net Cash Provided By Used In Investing Activities [Abstract] Purchases of property and equipment Payments To Acquire Property Plant And Equipment Net cash used in investing activities Net Cash Provided By Used In Investing Activities Cash flows from financing activities: Net Cash Provided By Used In Financing Activities [Abstract] Payment of deferred offering expenses Payments Of Stock Issuance Costs Proceeds from exercise of stock options Proceeds From Stock Options Exercised Net cash provided by financing activities Net Cash Provided By Used In Financing Activities Net decrease in cash and cash equivalents Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect Cash and cash equivalents and restricted cash, beginning of period Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations Cash and cash equivalents and restricted cash, end of period Supplemental disclosure of non-cash financing and investing activities: Noncash Investing And Financing Items [Abstract] Deferred offering costs included in accounts payable and accrued expense Deferred Offering Costs Incurred But Not Yet Paid Organization Consolidation And Presentation Of Financial Statements [Abstract] Organization and Basis of Presentation Business Description And Basis Of Presentation [Text Block] Accounting Policies [Abstract] Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Fair Value Disclosures [Abstract] Fair Value Measurements Fair Value Disclosures [Text Block] Property Plant And Equipment [Abstract] Property and Equipment Property Plant And Equipment Disclosure [Text Block] Accrued expenses and other current liabilities disclosure. Payables And Accruals [Abstract] Accrued Expenses and Other Current Liabilities Accrued Expenses And Other Current Liabilities Disclosure [Text Block] Equity [Abstract] Preferred and Common Stock Stockholders Equity Note Disclosure [Text Block] Disclosure Of Compensation Related Costs Sharebased Payments [Abstract] Stock-Based Compensation Expense Disclosure Of Compensation Related Costs Share Based Payments [Text Block] Leases [Abstract] Leases Lessee Operating Leases [Text Block] Collaboration Agreement Collaborative Arrangement Disclosure [Text Block] COVID-19 Pandemic and CARES Act. COVID-19 Pandemic and CARES Act C O V I D19 Pandemic And C A R E S Act Policy [Text Block] Basis of Presentation Basis Of Accounting Policy Policy [Text Block] Use of Estimates Use Of Estimates Restricted cash. Restricted Cash Restricted Cash Policy [Text Block] Concentrations of credit risk and off-balance sheet risk. Concentrations of Credit Risk and Off-Balance Sheet Risk Concentrations Of Credit Risk And Off Balance Sheet Risk Policy [Text Block] Revenue Recognition Revenue From Contract With Customer Policy [Text Block] Net Loss per Share Earnings Per Share Policy [Text Block] Recently Issued Accounting Pronouncements New Accounting Pronouncements Policy Policy [Text Block] Summary of Potentially Dilutive Securities Excluded from Calculation of Diluted Net Loss per Share Schedule Of Antidilutive Securities Excluded From Computation Of Earnings Per Share [Text Block] Schedule of Property and Equipment Property Plant And Equipment [Text Block] Schedule of accrued expenses and other current liabilities. Schedule of Accrued Expenses and Other Current Liabilities Schedule Of Accrued Expenses And Other Current Liabilities Table [Text Block] Shares of common stock reserved for future issuances. Schedule of Common Stock Reserved for Future Issuances Shares Of Common Stock Reserved For Future Issuances Table [Text Block] Schedule of Stock-Based Compensation Expense Schedule Of Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Text Block] Schedule of Unrecognized Stock-Based Compensation Schedule Of Unrecognized Compensation Cost Nonvested Awards Table [Text Block] Schedule of Fair Value of Stock Option Estimated on Date of Grant Using Black-Scholes Option-Pricing Model Schedule Of Share Based Payment Award Stock Options Valuation Assumptions Table [Text Block] Summary of Restricted Stock Unit Activity Schedule Of Sharebased Compensation Restricted Stock And Restricted Stock Units Activity Table [Text Block] Summary of Stock Option Activity Under Plans Schedule Of Share Based Compensation Stock Options Activity Table [Text Block] Components of Lease Cost Lease Cost Table [Text Block] Summary of weighted average remaining lease terms and discount rate related to operating leases. Summary of Weighted-Average Remaining Lease Term and Discount Rate Related to Operating Leases Summary Of Weighted Average Remaining Lease Terms And Discount Rate Related To Operating Leases Table [Text Block] Summary of Maturity of Operating Lease Liabilities Lessee Operating Lease Liability Maturity Table [Text Block] Organization and basis of presentation. Organization and basis of presentation. Organization And Basis Of Presentation [Table] Organization And Basis Of Presentation [Table] Sale of Stock Subsidiary Sale Of Stock [Axis] Sale of Stock Sale Of Stock Name Of Transaction [Domain] Private Placement Private Placement [Member] Subsequent Event Type Subsequent Event Type [Axis] Subsequent Event Type Subsequent Event Type [Domain] Subsequent Event Subsequent Event [Member] Organization And Basis Of Presentation [Line Items] Organization And Basis Of Presentation [Line Items] Entity incorporation, date of incorporation Entity Incorporation Date Of Incorporation Cash provided by financing activities. Proceeds from government contracts. Proceeds from license and collaboration agreement. Fund raised for operations Cash Provided By Financing Activities Proceeds from sales of redeemable convertible preferred stock Proceeds From Issuance Of Redeemable Convertible Preferred Stock Net proceeds from initial public offering Proceeds From Issuance Initial Public Offering Proceeds from government contracts Proceeds From Government Contracts Proceeds from license and collaboration agreement Proceeds From License And Collaboration Agreement Net losses Gross proceeds from issuance of private placement. Gross proceeds from private placement Gross Proceeds From Issuance Of Private Placement Number of patients. Number of patients Number Of Patients Employer side social security payments due, percentage. Employer side social security payments due, percentage Employer Side Social Security Payments Due Percentage Restricted cash Restricted Cash Schedule Of Antidilutive Securities Excluded From Computation Of Earnings Per Share [Table] Schedule Of Antidilutive Securities Excluded From Computation Of Earnings Per Share [Table] Antidilutive Securities Antidilutive Securities Excluded From Computation Of Earnings Per Share By Antidilutive Securities [Axis] Antidilutive Securities, Name Antidilutive Securities Name [Domain] Restricted Stock Units Restricted Stock Units R S U [Member] Stock Options Employee Stock Option [Member] Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items] Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items] Potentially dilutive securities excluded from calculation of diluted net loss per share Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount Financial assets, fair value Assets Fair Value Disclosure Financial liabilities, fair value Financial Liabilities Fair Value Disclosure Alternative investment, change in valuation technique Alternative Investment Change In Valuation Technique Schedule Of Property Plant And Equipment [Table] Schedule Of Property Plant And Equipment [Table] Long-Lived Tangible Asset Property Plant And Equipment By Type [Axis] Long-Lived Tangible Asset Property Plant And Equipment Type [Domain] Laboratory Equipment Equipment [Member] Computer Software And Equipment [Member] Computer Software and Equipment Computer Software And Equipment [Member] Office Furniture and Fixtures Furniture And Fixtures [Member] Leasehold Improvements Leasehold Improvements [Member] Property Plant And Equipment [Line Items] Property Plant And Equipment [Line Items] Property and equipment, gross Property Plant And Equipment Gross Accumulated depreciation Accumulated Depreciation Depletion And Amortization Property Plant And Equipment Property and equipment, net Third-party research and development expenses current. Payroll and employee related expenses Employee Related Liabilities Current Third-party research and development expenses Third Party Research And Development Expenses Current Professional and consulting fees Accrued Professional Fees Current Other Other Liabilities Current Total accrued expenses and other current liabilities Schedule Of Stock By Class [Table] Schedule Of Stock By Class [Table] Collaborative Arrangement and Arrangement Other than Collaborative Type Of Arrangement [Axis] Collaborative Arrangement and Arrangement Other than Collaborative Arrangements And Nonarrangement Transactions [Member] Open sales agreement (2021 ATM) [Member] 2021 ATM Agreement Open Sales Agreement2021 A T M [Member] Class of Warrant or Right Class Of Warrant Or Right [Axis] Class of Warrant or Right Class Of Warrant Or Right [Domain] Pre-funded warrants. Pre-Funded Warrants Pre Funded Warrants [Member] Class Of Stock [Line Items] Class Of Stock [Line Items] Preferred Stock, Shares Authorized Preferred Stock Shares Authorized Preferred Stock, Par or Stated Value Per Share Preferred Stock Par Or Stated Value Per Share Common stock voting rights, number of votes. Common stock, voting rights Common Stock Voting Rights Number of common stock voting rights Common Stock Voting Rights Number Of Votes Stock and warrants to be issued during period value preferred stock and warrants. Stock and warrants to be issued during period value preferred stock and warrants Stock And Wrrants To Be Issued During Period Value Preferred Stock And Warrants Proceeds to be occured from future issuance of common stock,. Proceeds to be occured from future issuance of common stock Proceeds To Be Occured From Future Issuance Of Common Stock Class of Stock Statement Class Of Stock [Axis] Class of Stock Class Of Stock [Domain] Employee stock purchase plan Employee Stock [Member] Option Indexed to Issuer's Equity, Type Option Indexed To Issuers Equity Type [Axis] Option Indexed to Issuer's Equity, Type Option Indexed To Issuers Equity Type [Domain] Stock options and restricted stock units. Stock Options and Restricted Stock Units Stock Options And Restricted Stock Units [Member] Shares of common stock reserved for future issuances Common Stock Capital Shares Reserved For Future Issuance Class of warrant or right warrant purchase price. Estimated offering costs. Net proceeds from private placement Proceeds From Issuance Of Private Placement Estimated offering costs Estimated Offering Costs Common stock issued price per share Shares Issued Price Per Share Warrants exercise price, per share Class Of Warrant Or Right Exercise Price Of Warrants Or Rights1 Warrants purchase price Class Of Warrant Or Right Warrant Purchase Price Shares issued to investors Stock Issued During Period Shares New Issues Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table] Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table] Plan Name Plan Name [Axis] Plan Name Plan Name [Domain] Two thousand five and two thousand sixteen equity incentive plan. 2005 and 2016 Plan Two Thousand Five And Two Thousand Sixteen Equity Incentive Plan [Member] Twenty thousand twenty incentive award plan. 2020 Plan Twenty Thousand Twenty Incentive Award Plan [Member] Inducement award plan. Inducement Award Plan Inducement Award Plan [Member] Statistical Measurement Range [Axis] Statistical Measurement Range [Member] Minimum Minimum [Member] Maximum Maximum [Member] Award Type Award Type [Axis] Award Type Share Based Compensation Arrangements By Share Based Payment Award Award Type And Plan Name [Domain] Milestone-based awards. Milestone-based Awards Milestone Based Awards [Member] Executive options. Executive Options Executive Options [Member] Market-conditions based awards. Market-Conditions Based Awards Market Conditions Based Awards [Member] Revenue-based milestone awards. Revenue Based Milestone Awards Revenue Based Milestone Awards [Member] Twenty thousand twenty employee stock purchase plan. 2020 ESPP Twenty Thousand Twenty Employee Stock Purchase Plan [Member] Share Based Compensation Arrangement By Share Based Payment Award [Line Items] Share Based Compensation Arrangement By Share Based Payment Award [Line Items] Number of shares granted Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross Annual increase in number of shares available for issuance maximum number of common stock issued. Percentage of common shares increase automatically in each year. Maximum number of common shares issued Annual Increase In Number Of Shares Available For Issuance Maximum Number Of Common Stock Issued Percentage of common shares increase automatically in each year Percentage Of Common Shares Increase Automatically In Each Year Number of shares available for future grant Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant Increase in Shares available for grant Share Based Compensation Arrangement By Share Based Payment Award Number Of Additional Shares Authorized Vesting period Share Based Compensation Arrangement By Share Based Payment Award Award Vesting Period1 Stock option expiration period Sharebased Compensation Arrangement By Sharebased Payment Award Expiration Period Schedule Of Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Table] Schedule Of Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Table] Income Statement Location Income Statement Location [Axis] Income Statement Location Income Statement Location [Domain] Research and Development Research And Development Expense [Member] General and Administrative General And Administrative Expense [Member] Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items] Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items] Stock-based compensation expense Allocated Share Based Compensation Expense Exercise price per share, granted Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price Expiration date Share Based Compensation Arrangement By Share Based Payment Award Expiration Date Vesting rights Share Based Compensation Arrangement By Share Based Payment Award Award Vesting Rights Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized [Abstract] Unrecognized expense Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period of recognition (years) Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1 Risk-free interest rate Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate Expected dividend yield Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate Expected term (in years) Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 Expected volatility Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Roll Forward Restricted stock units outstanding, Beginning Balance Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number Restricted stock units outstanding shares, Granted Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Restricted stock units outstanding shares, Forfeited Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeited In Period Restricted stock units outstanding, Ending Balance Weighted Average Grant Date Fair Value, Beginning Balance Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value 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 Weighted Average Grant Date Fair Value, Forfeited Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeitures Weighted Average Grant Date Fair Value Weighted Average Grant Date Fair Value, Beginning Balance Shares, Outstanding December 31, 2021 Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number Shares, Granted Shares, Exercised Shares, Cancelled Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period Shares, Outstanding at March 31, 2022 Shares, Exercisable at March 31, 2022 Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number Shares, Vested and expected to vest at March 31, 2022 Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Number Weighted Average Exercise Price, Outstanding December 31, 2021 Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price Weighted Average Exercise Price, Granted Weighted Average Exercise Price, Exercised Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price Weighted Average Exercise Price, Cancelled Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price Weighted Average Exercise Price, Outstanding at March 31,2022 Weighted Average Exercise Price, Exercisable at March 31, 2022 Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price Weighted Average Exercise Price, Vested and expected to vest at March 31, 2022 Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Exercise Price Outstanding, Weighted Average Remaining Contractual Life (in years) Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 Exercisable, Weighted Average Remaining Contractual Life (in years) Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 Vested and expected to vest, Weighted Average Remaining Contractual Life (in years) Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Remaining Contractual Term1 Aggregate Intrinsic Value, Outstanding December 31, 2021 Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value Aggregate Intrinsic Value, Exercisable at March 31, 2022 Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 Aggregate Intrinsic Value, Vested and expected to vest at March 31, 2022 Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Aggregate Intrinsic Value Weighted-average fair value of options granted to employees, directors and non-employees Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value Aggregate intrinsic value of stock options exercised Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value Annual increase in number of shares available for issuance as percentage on outstanding shares of common stock on final day of immediately preceding calendar year. Purchase price of shares as percentage lower of fair market value of common stock. Annual increase in number of shares available for issuance as percentage of outstanding shares common stock on final day of immediately preceding fiscal year Annual Increase In Number Of Shares Available For Issuance As Percentage On Outstanding Shares Of Common Stock On Final Day Of Immediately Preceding Calendar Year Purchase price of shares as percentage lower of fair market value of common stock Purchase Price Of Shares As Percentage Lower Of Fair Market Value Of Common Stock Lessee, operating lease, extended lease term. Lease initiation date Lessee Lease Description [Table] Lessee Lease Description [Table] Short-term Debt, Type Short Term Debt Type [Axis] Short-term Debt, Type Short Term Debt Type [Domain] Letter of Credit Letter Of Credit [Member] Restricted Cash and Cash Equivalents Restricted Cash And Cash Equivalents Cash And Cash Equivalents [Axis] Cash and Cash Equivalents Restricted Cash And Cash Equivalents Cash And Cash Equivalents [Member] Certificate of Deposits Certificates Of Deposit [Member] Office and laboratory. Office and Laboratory Office And Laboratory [Member] Office Equipment Office Equipment [Member] Clinical Supply Agreement member. Clinical Supply Agreement Clinical Supply Agreement [Member] Lessee Lease Description [Line Items] Lessee Lease Description [Line Items] Initial base rent Operating Lease Expense Secured debt obligations Secured Debt Area of property Area Of Real Estate Property Extended lease term Lessee Operating Lease Extended Lease Term Lease initiation date Lease Initiation Date Lease expiration date Lease Expiration Date1 Operating lease period Lessee Operating Lease Term Of Contract Operating Lease, renewal term Lessee Operating Lease Renewal Term Lease Cost: Lease Cost [Abstract] Operating lease cost Operating Lease Cost Variable lease cost Variable Lease Cost Total lease cost Lease Cost Weighted-average remaining lease term (in years) Operating Lease Weighted Average Remaining Lease Term1 Weighted-average discount rate Operating Lease Weighted Average Discount Rate Percent Remainder of 2022 Lessee Operating Lease Liability Payments Remainder Of Fiscal Year 2023 Lessee Operating Lease Liability Payments Due Next Twelve Months 2024 Lessee Operating Lease Liability Payments Due Year Two Total maturities Lessee Operating Lease Liability Payments Due Less: Amount representing interest Lessee Operating Lease Liability Undiscounted Excess Amount Present value of operating lease liability Operating Lease Liability Less: Current portion of operating lease liability Upfront payment received. Future milestone payments receivable upon achievement of specified development, regulatory and commercialization. Schedule Of Collaborative Arrangements And Noncollaborative Arrangement Transactions [Table] Schedule Of Collaborative Arrangements And Noncollaborative Arrangement Transactions [Table] Performance obligations. Performance Obligations Performance Obligations [Member] Milestone achievements. Milestone Achievements Milestone Achievements [Member] Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items] Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items] Upfront payment received Upfront Payment Received Future milestone payments receivable Future Milestone Payments Receivable Upon Achievement Of Specified Development Regulatory And Commercialization Upfront payment recognition in future periods to settlement of obligation. Upfront payment recognition in future periods to settlement of obligation Upfront Payment Recognition In Future Periods To Settlement Of Obligation Deferred revenue, description Deferred Revenue Description Deferred Revenue Related to Development Activites. Deferred Revenue Deferred Revenue Deferred Revenue Related to Development Activities Deferred Revenue Related To Development Activites