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Accrued Investment Income Receivable, Total Accrued Investment Income Receivable Accrued interest on investments Amendment Flag Amendment Flag 2025 Long-Term Debt, Maturity, Year Four Shares authorized for issuance Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized Subsequent Event Type Subsequent Event Type [Domain] Short term lease additional commitments Short Term Lease Additional Commitments Short term lease additional commitments. Accrued expenses and other current liabilities Total accrued expenses and other current liabilities Accrued Expenses and Other Current Liabilities Accrued expenses and other current liabilities. Operating lease right-of-use assets Operating Lease, Right-of-Use Asset Document Quarterly Report Document Quarterly Report Debt Instrument [Table] Schedule of Long-Term Debt Instruments [Table] Number of shares issuable upon the exercise of warrant Number Of Shares Issuable Upon Exercise Of Warrants Number of shares issuable upon exercise of warrants. Percentage of outstanding shares subject to automatic increase in common stock Percentage Of Outstanding Shares Subject To Automatic Increase In Common Stock Percentage of outstanding shares subject to automatic increase in common stock. Statement [Table] Statement [Table] Operating lease liability, net of current portion Operating Lease, Liability, Noncurrent Mr. King Chief Executive Officer [Member] Cash paid for amounts included in measurement of lease liabilities Operating Lease, Payments ESPP issued Issuance of common stock related to employee stock purchase plan, Shares Stock Issued During Period, Shares, Employee Stock Purchase Plans Preferred Stock, Shares Outstanding, Ending Balance Preferred Stock, Shares Outstanding, Beginning Balance Preferred stock, shares outstanding Preferred Stock, Shares Outstanding Shares reserved for issuance Shares reserved for future issuance Common Stock, Capital Shares Reserved for Future Issuance Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Weighted Average Grant Date Fair Value Per Share, Vested 2016 Equity Incentive Plan Two Thousand And Sixteen Equity Incentive Plan [Member] Two thousand and sixteen equity incentive plan. Registration Payment Arrangement, Arrangement [Domain] Number of shares early exercised under any plan Share Based Compensation Arrangement By Share Based Payment Award Options Early Exercised Shares Share-based compensation arrangement by share-based payment award, options, early exercised, shares. Employee Stock Purchase Plan, Available for Future Issuance Employee Stock [Member] Organization And Principal Activities [Table] Organization And Principal Activities [Table] Organization and principal activities. Leases Lessee, Operating Leases [Text Block] Estimated fair value of the warrant Estimated Fair Value Of Warrant Estimated fair value of warrant. Stock Options, Issued and Outstanding Share-Based Payment Arrangement, Option [Member] Registration Payment Arrangement by Arrangement [Axis] Weighted-average remaining lease term for operating leases Operating Lease, Weighted Average Remaining Lease Term Total liabilities and stockholders’ equity Liabilities and Equity Plan Name Plan Name [Domain] Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Income Statement [Abstract] Short-Term Investments, Commercial Paper Short-Term Debt, Commercial Paper [Member] Short-Term Debt, Commercial Paper Member. Vested and exercisable, Weighted-Average Exercise Price Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Exercisable, Weighted Average Exercise Price Share Based Compensation Award Tranche Three Member Share-Based Payment Arrangement, Tranche Three [Member] Organization and Principal Activities Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Proceeds from Stock Plans Proceeds from issuance of common stock related to employee stock purchase plan Sale of Stock Sale of Stock [Domain] Stock Options, Available for Future Issuance Stock Options Available For Future Issuance [Member] Stock options, available for future issuance. Total current liabilities Liabilities, Current Issuance of common stock related to employee stock purchase plan Stock Issued During Period, Value, Employee Stock Purchase Plan 2026 Long-Term Debt, Maturity, Year Five Series B Redeemable Convertible Preferred Stock Series B Redeemable Convertible Preferred Stock [Member] Series B redeemable convertible preferred stock. Fair Value Recurring Fair Value, Recurring [Member] Interest Expense, Total Interest expense Interest Expense Short-term lease expense Short-Term Lease, Cost Maximum percentage of compensation that an employee is allowed to purchase shares Share-Based Compensation Arrangement by Share-Based Payment Award, Maximum Employee Subscription Rate Preferred stock, shares authorized Preferred Stock, Shares Authorized Number of Monthly Installments Number Of Monthly Installments Number of monthly installments. 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Weighted-average shares of common stock outstanding, diluted Weighted Average Number of Shares Outstanding, Diluted, Total Weighted-average shares of common stock outstanding, diluted Second amendment to loan and security agreement member. Second Amendment To Loan And Security Agreement [Member] The Second Amendment General and Administrative General and Administrative Expense [Member] Redeemable convertible preferred stock converted into common stock Convertible Preferred Stock, Shares Issued upon Conversion Net Cash Provided by (Used in) Operating Activities, Continuing Operations, Total Cash in operations Net Cash Provided by (Used in) Operating Activities, Continuing Operations Current Fiscal Year End Date Current Fiscal Year End Date Financial Instruments Financial Instruments [Domain] Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations, Total Cash, cash equivalents, and restricted cash at beginning of period Cash, cash equivalents, and restricted cash at end of period Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations Shares Subject to Outstanding Common Stock Options Shares Subject To Outstanding Common Stock Options [Member] Shares subject to outstanding common stock options. 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Total operating expenses Operating Expenses Entity Current Reporting Status Entity Current Reporting Status Operating lease termination date Operating Lease Termination Month And Year Operatingleaseterminationmonthandyear Prime Rate Prime Rate [Member] Capital Structure Stockholders' Equity Note Disclosure [Text Block] Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested, Number of Shares Shares, Vested Shares, Vested Balance Balance Stockholders' Equity Attributable to Parent Total stockholders equity Debt Securities, Available-for-sale, Realized Gain (Loss), Total Debt securities, available-for-sale, realized gain (loss) Debt Securities, Available-for-Sale, Realized Gain (Loss) Accumulated Other Comprehensive Loss AOCI Attributable to Parent [Member] Commitments and Contingencies Commitments and Contingencies, Policy [Policy Text Block] 2023 Long-Term Debt, Maturity, Year Two Entity Tax Identification Number Entity Tax Identification Number Income Statement Location Income Statement Location [Axis] Common stock, $0.0001 par value, 200,000,000 shares authorized as of September 30, 2022 and December 31, 2021; 23,560,250 and 23,491,881 shares issued and outstanding as of September 30, 2022 and December 31, 2021, respectively Common Stock, Value, Issued, Ending Balance Common Stock, Value, Issued, Beginning Balance Common Stock, Value, Issued, Total Common Stock, Value, Issued Retained Earnings (Accumulated Deficit), Ending Balance Retained Earnings (Accumulated Deficit), Beginning Balance Retained Earnings (Accumulated Deficit), Total Accumulated deficit Retained Earnings (Accumulated Deficit) Unrealized (loss) gain on available for sale securities OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment and Tax, Total OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment and Tax Equity Components Equity Components [Axis] Short-term lease extended term Lessee Operating Lease Extended Term Of Contract Lessee operating lease extended term of contract. Less: unamortized debt issuance costs Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net, Total Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net Debt issuance costs Debt Issuance Costs, Gross Deferred offering costs included in accrued expenses Deferred Offering Costs Included In Accrued Expenses Deferred offering costs included in accrued expenses. Leases [Abstract] Legal fees Legal Fees Increase (Decrease) in Accounts Payable and Accrued Liabilities, Total Accounts payable and accrued expenses Increase (Decrease) in Accounts Payable and Accrued Liabilities Entity Emerging Growth Company Entity Emerging Growth Company Operating expenses: Operating Expenses [Abstract] Emerging Growth Company Status Emerging Growth Company Policy Policy [Text Block] Emerging growth company policy. 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Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items] Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] Entity Interactive Data Current Entity Interactive Data Current Vested and expected to vest, Outstanding Stock Options Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number Supplemental disclosure of non-cash investing and financing activities: Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract] Separation Agreement Separation Agreement [Member] Separation Agreement [Member] Weighted-average remaining contractual term maturities available for sale Weighted Average Remaining Contractual Term Maturities Available For Sale Weighted-average remaining contractual term maturities available for sale. 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Current liabilities: Liabilities, Current [Abstract] Maximum Maximum [Member] Summary of Stock-Based Compensation Expense Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block] Shares, Forfieted Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Forfeitures Shares, Forfeited Net Cash Provided by (Used in) Investing Activities Net cash provided by (used in) investing activities Schedule Of Antidilutive Securities Excluded From Computation Of Earnings Per Share [Table] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Exercised, Outstanding Stock Options Exercise of stock options, Shares Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period Level 3 Fair Value, Inputs, Level 3 [Member] Use of Estimates Use of Estimates, Policy [Policy Text Block] Exercise of stock options Stock Issued During Period, Value, Stock Options Exercised Debt Instrument, Covenant Compliance Debt liquidity covenant Long-term Investments, Total Long-term investments Long-Term Investments Vested and exercisable, Aggregate Intrinsic Value Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Exercisable, Aggregate Intrinsic Value Term Loan, gross Total Term Loan debt Long-Term Debt, Gross Common stock shares authorized Common stock, shares authorized Common Stock, Shares Authorized Trading Symbol Trading Symbol Additional aggregate license agreement amount Additional Aggregate License Agreement Amount Additional aggregate license agreement amount. Title of Individual Title of Individual [Domain] Subsequent Event Type Subsequent Event Type [Axis] Non-cash lease expense Operating Lease, Right-of-Use Asset, Amortization Expense Comprehensive loss Comprehensive Income (Loss), Net of Tax, Attributable to Parent Accounts Payable, Current, Total Accounts payable Accounts Payable, Current Gross Unrealized Holding Losses Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Loss, before Tax Increase (Decrease) in Other Operating Assets, Total Other assets Increase (Decrease) in Other Operating Assets Plan Name Plan Name [Axis] Denominator: Weighted Average Number of Shares Outstanding Reconciliation [Abstract] Shares Subject to Common Stock Warrants Shares Subject To Common Stock Warrants [Member] Shares subject to common stock warrants. Title of Individual Title of Individual [Axis] Common stock par value per share Common stock, par value Common Stock, Par or Stated Value Per Share Summary of RSU Activity Share-Based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity [Table Text Block] Debt instrument basis spread variable rate scenario two Debt Instrument Basis Spread Variable Rate Scenario Two Debt instrument basis spread variable rate scenario two. Accrued expenses and other current liabilities Accrued expenses and other liabilities, current Accrued expenses and other liabilities, current. Granted, Weighted-Average Exercise Price Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Shares, Unvested, Beginning Balance Shares, Unvested, Ending Balance Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Outstanding, Number Debt Instrument [Line Items] Debt Instrument [Line Items] Potential dilutive securities excluded from diluted net loss per share Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Cash equivalents, fair value Cash and cash equivalents, fair value Cash and Cash Equivalents, Fair Value Disclosure