Entity Central Index Key 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 Trading Symbol Trading Symbol Entity Registrant Name Entity Registrant Name Entity Central Index Key Current Fiscal Year End Date Current Fiscal Year End Date Entity Well-known Seasoned Issuer Entity Well Known Seasoned Issuer Entity Interactive Data Current Entity Interactive Data Current Entity Current Reporting Status Entity Current Reporting Status Entity Voluntary Filers Entity Voluntary Filers Entity Filer Category Entity Filer Category Entity Small Business Entity Small Business Entity Emerging Growth Company Entity Emerging Growth Company Entity Ex Transition Period Entity Ex Transition Period ICFR Auditor Attestation Flag Icfr Auditor Attestation Flag Entity Shell Company Entity Shell Company Entity File Number Entity File Number 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 Entity Common Stock, Shares Outstanding Entity Common Stock Shares Outstanding Entity Public Float Entity Public Float Document Annual Report Document Annual Report Document Transition Report Document Transition Report Entity Incorporation, State or Country Code Entity Incorporation State Country Code Title of 12(b) Security Security12b Title Security Exchange Name Security Exchange Name Documents Incorporated by Reference Documents Incorporated By Reference [Text Block] Accrued manufacturing expenses. Redeemable convertible preferred stock warrant liability. Statement Of Financial Position [Abstract] Statement [Table] Statement [Table] Class of Stock Statement Class Of Stock [Axis] Class of Stock Class Of Stock [Domain] Series A redeemable convertible preferred stock. Series A Redeemable Convertible Preferred Stock Series A Redeemable Convertible Preferred Stock [Member] Series B redeemable convertible preferred stock. Series B Redeemable Convertible Preferred Stock Series B Redeemable Convertible Preferred Stock [Member] Series C redeemable convertible preferred stock. Series C Redeemable Convertible Preferred Stock Series C Redeemable Convertible Preferred Stock [Member] Statement [Line Items] Statement [Line Items] Assets Assets [Abstract] Current assets: Assets Current [Abstract] Cash and cash equivalents Cash And Cash Equivalents At Carrying Value 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 Other assets Other Assets Noncurrent Total assets Assets Liabilities, Redeemable Convertible Preferred Stock and Stockholders' Equity (Deficit) Liabilities And Stockholders Equity [Abstract] Current liabilities: Liabilities Current [Abstract] Accounts payable Accounts Payable Current Accrued compensation Employee Related Liabilities Current Accrued manufacturing expenses Accrued Manufacturing Expenses Accrued expenses (including related party accrual of $677 and $15 as of December 31, 2020 and December 31, 2019, respectively) Accrued Liabilities Current Deferred rent — current portion Deferred Rent Credit Current Lease liability — current portion Operating Lease Liability Current Total current liabilities Liabilities Current Deferred rent — long-term portion Deferred Rent Credit Noncurrent Redeemable convertible preferred stock warrant liability Redeemable Convertible Preferred Stock Warrant Liability Other liabilities Other Liabilities Noncurrent Total liabilities Liabilities Commitments and contingencies (Note 5) Commitments And Contingencies Redeemable Convertible Preferred Stock Temporary Equity [Abstract] Redeemable convertible preferred stock value Temporary Equity Carrying Amount Attributable To Parent Stockholders' Equity (Deficit) Stockholders Equity [Abstract] Preferred stock, $0.001 par value — 10,000,000 and no shares authorized at December 31, 2020 and December 31, 2019, respectively; no shares issued and outstanding at December 31, 2020 and December 31, 2019, respectively Preferred Stock Value Common stock, $0.001 par value — 500,000,000 and 52,000,000 shares authorized at December 31, 2020 and December 31, 2019, respectively; 51,071,593 and 4,059,909 shares issued and outstanding at December 31, 2020 and December 31, 2019, respectively Common Stock Value Additional paid-in capital Additional Paid In Capital Common Stock Accumulated deficit Retained Earnings Accumulated Deficit Total stockholders' equity (deficit) Stockholders Equity Total liabilities, redeemable convertible preferred stock and stockholders' equity (deficit) Liabilities And Stockholders Equity Related party accrual Due To Related Parties Current Redeemable convertible preferred stock, par value Temporary Equity Par Or Stated Value Per Share Redeemable convertible preferred stock, shares authorized Temporary Equity Shares Authorized Redeemable convertible preferred stock, shares issued Temporary Equity Shares Issued Redeemable convertible preferred stock, shares outstanding Temporary Equity Shares Outstanding Redeemable convertible preferred stock, liquidation value Temporary Equity Liquidation Preference Preferred stock, par value Preferred Stock Par Or Stated Value Per Share Preferred stock, shares authorized Preferred Stock Shares Authorized Preferred stock, shares issued Preferred Stock Shares Issued Preferred stock, shares outstanding Preferred Stock Shares Outstanding 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 Grant income. Change in fair value of the redeemable convertible preferred stock tranche liability. Income Statement [Abstract] Operating expenses: Operating Expenses [Abstract] Research and development (including related party expenses of $1,331, $1,137 and $1,878 in 2020, 2019 and 2018, respectively) Research And Development Expense General and administrative General And Administrative Expense Total operating expenses Operating Expenses Loss from operations Operating Income Loss Other income (expense), net: Other Nonoperating Income Expense [Abstract] Interest expense Interest Expense Interest income Investment Income Interest Grant income Grant Income Foreign currency transaction losses Foreign Currency Transaction Gain Loss Before Tax Change in fair value of the redeemable convertible preferred stock tranche liability Change In Fair Value Of Redeemable Convertible Preferred Stock Total other income (expense), net Other Nonoperating Income Expense Net loss and comprehensive loss Net Income Loss Net loss per share, basic and diluted Earnings Per Share Basic And Diluted Weighted-average shares outstanding, basic and diluted Weighted Average Number Of Share Outstanding Basic And Diluted Research and development expense to related party. Research and development expense to related party Research And Development Expense To Related Party Temporary equity stock issued during period shares new issues. Stock issued during period shares issuance of common stock related to early exercised stock options. Adjustments to additional paid In capital vesting of early exercised stock options. Temporary equity conversion of preferred stock shares. Temporary equity conversion of preferred stock value. Stock issued during period shares conversion of common stock warrant. Stock issued during period shares conversion of preferred stock warrant. Adjustments to additional paid in capital warrant liability write off. Statement Of Stockholders Equity [Abstract] Series A redeemable convertible preferred stock. Series A Redeemable Convertible Preferred Stock Series A Redeemable Convertible Preferred Stocks [Member] Series B redeemable convertible preferred stock. Series B Redeemable Convertible Preferred Stock Series B Redeemable Convertible Preferred Stocks [Member] Series C redeemable convertible preferred stock. Series C Redeemable Convertible Preferred Stock Series C Redeemable Convertible Preferred Stocks [Member] Series D redeemable convertible preferred stock. Series D Redeemable Convertible Preferred Stock Series D Redeemable Convertible Preferred Stocks [Member] 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] Beginning balance Beginning balance, shares Beginning balance Beginning balance, shares Shares Outstanding Issuance of preferred stock Temporary Equity Stock Issued During Period Value New Issues Issuance of preferred stock, net of issuance cost (in shares) Temporary Equity Stock Issued During Period Shares New Issues Conversion of preferred stock Temporary Equity Conversion Of Preferred Stock Value Conversion of preferred stock (in shares) Temporary Equity Conversion Of Preferred Stock Shares Conversion of preferred stock (in shares) Stock Issued During Period Shares Conversion Of Convertible Securities Conversion of common stock warrant Stock Issued During Period Shares Conversion Of Common Stock Warrant Conversion of preferred stock warrant Stock Issued During Period Shares Conversion Of Preferred Stock Warrant Warrant liability write-off Adjustments To Additional Paid In Capital Warrant Liability Write Off Issuance of common stock upon initial public offering, net of issuance costs of $3,368 Stock Issued During Period Value New Issues Issuance of common stock upon initial public offering, net of issuance cost (in shares) Stock Issued During Period Shares New Issues Exercise of stock options Stock Issued During Period Value Stock Options Exercised Exercise of stock options (in shares) Stock Issued During Period Shares Stock Options Exercised Issuance of common stock related to early exercised stock options Stock Issued During Period Shares Issuance Of Common Stock Related To Early Exercised Stock Options Issuance of common stock under Employee Stock Purchase Plan Stock Issued During Period Value Employee Stock Purchase Plan Issuance of common stock under Employee Stock Purchase Plan (in shares) Stock Issued During Period Shares Employee Stock Purchase Plans Vesting of early exercised stock options Adjustments To Additional Paid In Capital Vesting Of Early Exercised Stock Options Stock-based compensation expense Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value Net loss Ending balance Ending balance, shares Ending balance Ending balance, shares Temporary equity stock issuance costs. Temporary equity preferred stock tranche liability. Temporary equity, Issuance costs Temporary Equity Stock Issuance Costs Temporary equity, preferred stock tranche liability Temporary Equity Preferred Stock Tranche Liability Issuance costs Adjustments To Additional Paid In Capital Stock Issued Issuance Costs Expense on issuance of redeemable convertible preferred stock warrant. Change in fair value of redeemable convertible preferred stock tranche liabilities. Increase decrease in accrued compensation. Increase decrease in accrued manufacturing expenses. Increase decrease in accrued legal settlement. Increase decrease in deferred rent and other long term liabilities. Payments of capital lease obligations. Proceeds from initial public offering, net of underwriters' commissions and discounts. Proceeds from issuance of common stock related to early exercised stock options. Payment of deferred offering costs. Deferred offering costs included in accounts payable and accrued expenses. 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] Depreciation and amortization Depreciation Depletion And Amortization Stock-based compensation expense Share Based Compensation Expense on issuance of redeemable convertible preferred stock warrant Expense On Issuance Of Redeemable Convertible Preferred Stock Warrant Change in fair value of redeemable convertible preferred stock warrant Fair Value Adjustment Of Warrants Change in fair value of redeemable convertible preferred stock tranche liabilities Change In Fair Value Of Redeemable Convertible Preferred Stock Tranche Liabilities Loss on disposal of assets Gain Loss On Disposition Of Assets1 Asset impairment charges Asset Impairment Charges Changes in operating assets and liabilities: Increase Decrease In Operating Liabilities [Abstract] Prepaid expenses and other current assets Increase Decrease In Prepaid Deferred Expense And Other Assets Other assets Increase Decrease In Other Operating Assets Accounts payable Increase Decrease In Accounts Payable Accrued compensation Increase Decrease In Accrued Compensation Accrued manufacturing expenses Increase Decrease In Accrued Manufacturing Expenses Accrued expenses Increase Decrease In Accrued Liabilities Accrued legal settlement Increase Decrease In Accrued Legal Settlement Deferred rent and other long-term liabilities Increase Decrease In Deferred Rent And Other Long Term Liabilities 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 Proceeds from sale of property and equipment Proceeds From Sale Of 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] Payments of capital lease obligations Payments Of Capital Lease Obligations Proceeds from initial public offering, net of underwriters' commissions and discounts Proceeds From Initial Public Offering Net Of Underwriters Commissions And Discounts Payment of issuance costs for initial public offering Payments Of Stock Issuance Costs Proceeds from issuance of redeemable convertible preferred stock, net of issuance costs Proceeds From Issuance Of Redeemable Convertible Preferred Stock Proceeds from exercise of common stock options Proceeds From Stock Options Exercised Proceeds from issuance of common stock related to early exercised stock options Proceeds From Issuance Of Common Stock Related To Early Exercised Stock Options Proceeds from issuance of common stock under the Employee Stock Purchase Plan Proceeds From Stock Plans Payments of deferred offering costs Payment Of Deferred Offering Costs Net cash provided by financing activities Net Cash Provided By Used In Financing Activities Effect of exchange rate changes on cash and cash equivalents Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Net increase (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, beginning of period Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Cash and cash equivalents, end of period Supplemental disclosure of cash flow information: Supplemental Cash Flow Information [Abstract] Cash paid for interest Interest Paid Net Supplemental disclosures of non-cash investing and financing activities: Cash Flow Noncash Investing And Financing Activities Disclosure [Abstract] Purchases of property and equipment recorded in accounts payable and accrued expenses Capital Expenditures Incurred But Not Yet Paid Conversion of convertible preferred stock into common stock Conversion Of Stock Amount Converted1 Deferred offering costs included in accounts payable and accrued expenses Deferred Offering Costs Included In Accounts Payable And Accrued Expenses Organization Consolidation And Presentation Of Financial Statements [Abstract] Company Organization and Nature of Business Organization Consolidation And Presentation Of Financial Statements Disclosure [Text Block] Accounting Policies [Abstract] Basis of Presentation and Summary of Significant Accounting Policies Basis Of Presentation And Significant Accounting Policies [Text Block] Fair Value Disclosures [Abstract] Fair Value Measurements and Fair Value of Financial Instruments Fair Value Disclosures [Text Block] Balance Sheet Details Supplemental Balance Sheet Disclosures [Text Block] Commitments And Contingencies Disclosure [Abstract] Commitments and Contingencies Commitments And Contingencies Disclosure [Text Block] Redeemable convertible preferred stock. Temporary Equity Disclosure [Abstract] Redeemable Convertible Preferred Stock Redeemable Convertible Preferred Stock [Text Block] Equity [Abstract] Common Stock Stockholders Equity Note Disclosure [Text Block] Warrants. Warrants Warrants Disclosure [Text Block] Disclosure Of Compensation Related Costs Sharebased Payments [Abstract] Equity Incentive Plans Disclosure Of Compensation Related Costs Share Based Payments [Text Block] Funding arrangement. Funding arrangement. Funding Arrangement [Abstract] Funding Arrangement Funding Arrangement [Text Block] Earnings Per Share [Abstract] Net Loss Per Share Earnings Per Share [Text Block] Income Tax Disclosure [Abstract] Income Taxes Income Tax Disclosure [Text Block] Related Party Transactions [Abstract] Related Party Transactions Related Party Transactions Disclosure [Text Block] Quarterly Financial Information Disclosure [Abstract] Selected Quarterly Financial Data (Unaudited) Quarterly Financial Information [Text Block] Subsequent Events [Abstract] Subsequent Events Subsequent Events [Text Block] Basis of Presentation Basis Of Accounting Policy Policy [Text Block] Use of Estimates Use Of Estimates Concentration of Credit Risk and Other Risks and Uncertainties Concentration Risk Credit Risk Segment and Geographical Information Segment Reporting Policy Policy [Text Block] Cash and Cash Equivalents Cash And Cash Equivalents Policy [Text Block] Deferred Offering Costs Deferred Charges Policy [Text Block] Property and Equipment, Net Property Plant And Equipment Policy [Text Block] Impairment of Long-Lived Assets Impairment Or Disposal Of Long Lived Assets Policy [Text Block] Fair Value Measurements Fair Value Measurement Policy Policy [Text Block] Research and Development Research And Development Expense Policy Accrued research and development. Accrued Research and Development Accrued Research And Development Policy [Text Block] Income Taxes Income Tax Policy [Text Block] Stock-Based Compensation Expense Share Based Compensation Option And Incentive Plans Policy Comprehensive Loss Comprehensive Income Policy Policy [Text Block] Foreign Currency Transactions Foreign Currency Transactions And Translations Policy [Text Block] Net Loss Per Share Earnings Per Share Policy [Text Block] Recently Issued Accounting Pronouncements Adopted And Not Yet Adopted New Accounting Pronouncements Policy Policy [Text Block] Schedule of Inputs Used for Level 3 Liability Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques Table [Text Block] Schedule of Financial Instruments Measured at Fair Value on Recurring Basis Schedule Of Fair Value Assets And Liabilities Measured On Recurring Basis Table [Text Block] Summary of Changes in Estimated Fair Value of Level 3 Financial Instruments Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Text Block] Schedule of Property and Equipment, Net Property Plant And Equipment [Text Block] Schedule of Accrued Expenses Schedule Of Accrued Liabilities Table [Text Block] Schedule of Future Minimum Payments under Operating Leases Lessee Operating Lease Liability Maturity Table [Text Block] Summary of Convertible Preferred Stock Temporary Equity Table [Text Block] Schedule of common stock shares reserved for future issuance. Schedule of Common Stock Shares Reserved for Future Issuance Schedule Of Common Stock Shares Reserved For Future Issuance Table [Text Block] Summary of Warrants Issued and Outstanding Schedule Of Stockholders Equity Note Warrants Or Rights [Text Block] Plan Name Plan Name [Axis] Plan Name Plan Name [Domain] Two thousand twenty equity incentive plan and two thousand fourteen equity incentive plan. 2020 Plan and 2014 Plan Two Thousand Twenty Equity Incentive Plan And Two Thousand Fourteen Equity Incentive Plan [Member] Two thousand twenty employee stock purchase plan. 2020 Employee Stock Purchase Plan Two Thousand Twenty Employee Stock Purchase Plan [Member] Two thousand fourteen equity incentive plan and two thousand twenty equity incentive plan and two thousand twenty employee stock purchase plan. 2014 Plan, 2020 Plan and 2020 ESPP Two Thousand Fourteen Equity Incentive Plan And Two Thousand Twenty Equity Incentive Plan And Two Thousand Twenty Employee Stock Purchase Plan [Member] Summary of Activity Under Stock Option Plans Schedule Of Share Based Compensation Stock Options Activity Table [Text Block] Summary of Estimated Fair Value of Employee Stock Options Schedule Of Share Based Payment Award Stock Options Valuation Assumptions Table [Text Block] Summary of Estimated Fair Value of Shares Under Employee Stock Purchase Plan Schedule Of Share Based Payment Award Employee Stock Purchase Plan Valuation Assumptions Table [Text Block] Summary of Stock-based Compensation Expense Schedule Of Compensation Cost For Share Based Payment Arrangements Allocation Of Share Based Compensation Costs By Plan Table [Text Block] Schedule of Computation of Basic and Diluted Net Loss Per Share Schedule Of Earnings Per Share Basic And Diluted Table [Text Block] Schedule of Potentially Dilutive Securities Excluded From Computation of Diluted Net Loss Per Share Schedule Of Antidilutive Securities Excluded From Computation Of Earnings Per Share [Text Block] Reconciliation of Effective Tax Rate Schedule Of Effective Income Tax Rate Reconciliation Table [Text Block] Components of Deferred Tax Assets Schedule Of Deferred Tax Assets And Liabilities Table [Text Block] Reconciliation of Unrecognized Tax Benefit Summary Of Income Tax Contingencies [Text Block] Selected Quarterly Financial Data Schedule Of Quarterly Financial Information Table [Text Block] Global target revenue. Schedule of organization consolidation and presentation of financial statements. Schedule of organization consolidation and presentation of financial statements. Schedule Of Organization Consolidation And Presentation Of Financial Statements [Table] Schedule Of Organization Consolidation And Presentation Of Financial Statements [Table] Product and Service Product Or Service [Axis] Product and Service Products And Services [Domain] Pneumococcal conjugate vaccine. Pneumococcal Conjugate Vaccine Pneumococcal Conjugate Vaccine [Member] Sale of Stock Subsidiary Sale Of Stock [Axis] Sale of Stock Sale Of Stock Name Of Transaction [Domain] Initial Public Offering I P O [Member] Redeemable Convertible Preferred Stock Redeemable Convertible Preferred Stock [Member] Schedule Of Organization Consolidation And Presentation Of Financial Statements [Line Items] Schedule Of Organization Consolidation And Presentation Of Financial Statements [Line Items] Global target revenue Global Target Revenue Reverse stock split Stockholders Equity Reverse Stock Split Reverse stock split, conversion ratio Stockholders Equity Note Stock Split Conversion Ratio1 Shares issued upon full exercise of underwriters option to purchase additional shares. Payments of underwriting discounts and commissions. Shares issued and sold Underwriters’ option to purchase additional shares Shares Issued Upon Full Exercise Of Underwriters Option To Purchase Additional Shares Public offering price per share Shares Issued Price Per Share Net proceeds from initial public offering Proceeds From Issuance Initial Public Offering Underwriting discounts and commissions Payments Of Underwriting Discounts And Commissions Offering expenses New Accounting Pronouncements Or Change In Accounting Principle [Table] New Accounting Pronouncements Or Change In Accounting Principle [Table] Balance Sheet Location Balance Sheet Location [Axis] Balance Sheet Location Balance Sheet Location [Domain] Other Assets Other Noncurrent Assets [Member] Accounting Standards Update Adjustments For New Accounting Pronouncements [Axis] Accounting Standards Update Type Of Adoption [Member] ASU 2018-07 Accounting Standards Update201807 [Member] ASU 2016-02 Accounting Standards Update201602 [Member] Subsequent Event Type Subsequent Event Type [Axis] Subsequent Event Type Subsequent Event Type [Domain] Subsequent Event Subsequent Event [Member] New Accounting Pronouncements Or Change In Accounting Principle [Line Items] New Accounting Pronouncements Or Change In Accounting Principle [Line Items] Number of reportable segments Number Of Reportable Segments Number of operating segments Number Of Operating Segments Initial public offering related cost. IPO-related costs Initial Public Offering Related Cost Deferred offering costs Deferred Offering Costs Accounting standard update adopted Change In Accounting Principle Accounting Standards Update Adopted Accounting standard update material impact Change In Accounting Principle Accounting Standards Update Immaterial Effect Accounting standard update adoption date Change In Accounting Principle Accounting Standards Update Adoption Date Change in accounting principle, accounting standards update, early adoption [true false] Change In Accounting Principle Accounting Standards Update Early Adoption Right-of-use assets Operating Lease Right Of Use Asset Lease liabilities Operating Lease Liability Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Table] Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Table] Liability Class Fair Value By Liability Class [Axis] Fair Value by Liability Class Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation By Liability Class [Domain] Warrant liability. Warrant Liability Warrant Liability [Member] Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] Warrants outstanding Class Of Warrant Or Right Outstanding Preferred stock warrant outstanding measurement input. Fair Value Hierarchy and NAV Fair Value By Fair Value Hierarchy Level [Axis] Fair Value Hierarchy and NAV Fair Value Measurements Fair Value Hierarchy [Domain] Level 3 Fair Value Inputs Level3 [Member] Measurement Frequency Fair Value By Measurement Frequency [Axis] Measurement Frequency Fair Value Measurement Frequency [Domain] Fair Value, Recurring Fair Value Measurements Recurring [Member] Measurement Input Type Measurement Input Type [Axis] Measurement Input Type Measurement Input Type [Domain] Value of Series C Redeemable Preferred Stock Per Share Measurement Input Share Price [Member] Risk Free Rate Measurement Input Risk Free Interest Rate [Member] Volatility Measurement Input Price Volatility [Member] Term in Years Measurement Input Expected Term [Member] Financial Instrument Financial Instrument [Axis] Financial Instruments Transfers And Servicing Of Financial Instruments Types Of Financial Instruments [Domain] Redeemable convertible preferred stock warrant. Redeemable Convertible Preferred Stock Warrant Redeemable Convertible Preferred Stock Warrant [Member] Valuation Approach and Technique Valuation Technique [Axis] Valuation Approach and Technique Valuation Technique [Domain] Option Pricing Model Valuation Technique Option Pricing Model [Member] Warrants and rights outstanding measurement input Warrants And Rights Outstanding Measurement Input Warrants and rights outstanding measurement input Preferred Stock Warrant Outstanding Measurement Input Warrants and rights outstanding measurement input Warrants And Rights Outstanding Term Fair value assets transferred from level 1 to level 2 Fair Value Assets Level1 To Level2 Transfers Amount Fair value assets transferred from level 2 to level 1 Fair Value Assets Level2 To Level1 Transfers Amount Fair value liabilities transferred from level 1 to level 2 Fair Value Liabilities Level1 To Level2 Transfers Amount Fair value liabilities transferred from level 2 to level 1 Fair Value Liabilities Level2 To Level1 Transfers Amount Fair value assets transferred into level 3 Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Into Level3 Fair value assets transferred out of level 3 Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Out Of Level3 Fair value liabilities transferred into level 3 Fair Value Measurement With Unobservable Inputs Reconciliation Liability Transfers Into Level3 Fair value liabilities transferred out of level 3 Fair Value Measurement With Unobservable Inputs Reconciliation Liability Transfers Out Of Level3 Asset Class Fair Value By Asset Class [Axis] Asset Class Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation By Asset Class [Domain] Money Market Funds Money Market Funds [Member] Level 1 Fair Value Inputs Level1 [Member] Level 2 Fair Value Inputs Level2 [Member] Redeemable convertible preferred stock warrant liability. Redeemable Convertible Preferred Stock Warrant Liability Redeemable Convertible Preferred Stock Warrant Liability [Member] Assets: Assets Fair Value Disclosure [Abstract] Assets, Fair Value Disclosure Assets Fair Value Disclosure Liabilities: Liabilities Fair Value Disclosure [Abstract] Liabilities, Fair Value Disclosure Liabilities Fair Value Disclosure New warrant liabilities issued Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Issues Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Table] Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Table] Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] Balance Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value Change in fair value Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Period Increase Decrease Warrant liability write-off upon IPO Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Settlements Balance 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] Furniture and Equipment Furniture And Fixtures [Member] Computers and computer software. Computers and Computer Software Computers And Computer Software [Member] Lab equipment. Lab Equipment Lab Equipment [Member] Leasehold Improvements Leasehold Improvements [Member] Capital leases — lab equipment. Capital Leases — Lab Equipment Capital Leases Lab Equipment [Member] Construction in Progress Construction In Progress [Member] Property Plant And Equipment [Line Items] Property Plant And Equipment [Line Items] Total property and equipment Property Plant And Equipment Gross Less: accumulated depreciation and amortization Accumulated Depreciation Depletion And Amortization Property Plant And Equipment Property and equipment, net Property Plant And Equipment [Abstract] Statistical Measurement Range [Axis] Statistical Measurement Range [Member] Maximum Maximum [Member] Minimum Minimum [Member] Depreciation and amortization expense Depreciation And Amortization Capital lease amortization expense Capital Leases Income Statement Amortization Expense Accrued preclinical studies current. Accrued Liabilities Current [Abstract] Preclinical studies Accrued Preclinical Studies Current Professional fees Accrued Professional Fees Current Other accrued expenses Other Accrued Liabilities Current Total Lessee finance lease interest rate. Loss Contingencies [Table] Loss Contingencies [Table] Counterparty Name Counterparty Name [Axis] Counterparty Name Repurchase Agreement Counterparty Name [Domain] Lonza limited. Lonza DMSA Lonza Limited [Member] Loss Contingencies [Line Items] Loss Contingencies [Line Items] Lease term Lessee Finance Lease Term Of Contract1 Lease interest rate Lessee Finance Lease Interest Rate Percentage of annual rental payments including guaranteed residual value. Present value of annual rental payments including guaranteed residual value, percentage Percentage Of Annual Rental Payments Including Guaranteed Residual Value Number of lab equipment. Lease buyout agreement, number of lab equipment Number Of Lab Equipment Lease buyout agreement, remaining balance of lease liability Finance Lease Liability Current Future minimum payments required under capital leases Capital Leases Future Minimum Payments Due Capital Lease Equipment Property and equipment, gross Useful life Property Plant And Equipment Useful Life Lessee operating lease extended lease term. Operating lease, agreement term Lessee Operating Lease Term Of Contract Operating lease, renewal term Lessee Operating Lease Renewal Term Operating lease, description Lessee Operating Lease Description Operating lease, extended term Lessee Operating Lease Extended Lease Term 2021 Lessee Operating Lease Liability Payments Due Next Twelve Months 2022 Lessee Operating Lease Liability Payments Due Year Two Total future minimum payments Lessee Operating Lease Liability Payments Due Operating leases, rent expense recognized Operating Leases Rent Expense Net Lessee operating lease expected payments over lease term. Lessee operating lease commencement date. Lessee operating lease renewal option. Lessee operating lease rent commencement term. Operating lease, commencement date Lessee Operating Lease Commencement Date Operating lease, rent commencement term Lessee Operating Lease Rent Commencement Term Operating lease, renewal option Lessee Operating Lease Renewal Option Operating lease, total lease payments Lessee Operating Lease Expected Payments Over Lease Term Development and manufacturing services agreement equity payments percentage. Development and manufacturing services agreement payments in equity. Threshold limit on equity payments. Payments in equity, percentage Development And Manufacturing Services Agreement Equity Payments Percentage Payments in equity, amount Development And Manufacturing Services Agreement Payments In Equity Equity payment, upper limit Threshold Limit On Equity Payments Amount recorded with respect to the potential future payments above the initial cash cap Guarantee Obligations Maximum Exposure Temporary Equity By Class Of Stock [Table] Temporary Equity By Class Of Stock [Table] Series D redeemable convertible preferred stock. Series D Redeemable Convertible Preferred Stock Series D Redeemable Convertible Preferred Stock [Member] Temporary Equity [Line Items] Temporary Equity [Line Items] Preferred stock converted into common stock Purchase price per share Aggregate purchase price Common stock, par value per share Common stock, dividends, per share, declared Common Stock Dividends Per Share Declared Common stock, voting rights Common Stock Voting Rights Equity incentive plan, shares issued Share Based Compensation Arrangement By Share Based Payment Award Shares Issued In Period Schedule Of Stock By Class [Table] Schedule Of Stock By Class [Table] Common Stock Warrant Warrant [Member] Conversion of redeemable convertible preferred stock. Conversion of Redeemable Convertible Preferred Stock Conversion Of Redeemable Convertible Preferred Stock [Member] Award Type Award Type [Axis] Award Type Share Based Compensation Arrangements By Share Based Payment Award Award Type And Plan Name [Domain] Options Issued and Outstanding Employee Stock Option [Member] Shares available for future stock option grants. Shares Available for Future Stock Option Grants Shares Available For Future Stock Option Grants [Member] Class Of Stock [Line Items] Class Of Stock [Line Items] Common stock reserved for future issuances Common Stock Capital Shares Reserved For Future Issuance Class of warrant or right number of securities called by each warrant or right exercised. Class Of Warrant Or Right [Table] Class Of Warrant Or Right [Table] Common stock warrant. Common Stock Warrant Common Stock Warrant [Member] Class Of Warrant Or Right [Line Items] Class Of Warrant Or Right [Line Items] Warrant exercised Class Of Warrant Or Right Number Of Securities Called By Each Warrant Or Right Exercised Class of warrant or right issue date. Number of Warrants Issued and Outstanding Issue Date Class Of Warrant Or Right Issue Date Expiration Date Warrants And Rights Outstanding Maturity Date Exercise Price Class Of Warrant Or Right Exercise Price Of Warrants Or Rights1 Incentive stock option granted to Employees Owning percentage of shares of common stock. Percentage of fair value per share on the grant date. Exercise price expire in years form the date of grant. Stock options granted term. Percentage of provisions subject to stockholders. Share based compensation arrangement by share based payment award number of shares increase in available for grant. Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table] Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table] Two thousand twenty equity incentive plan. 2020 Equity Incentive Plan Two Thousand Twenty Equity Incentive Plan [Member] Two thousand fourteen equity incentive plan. 2014 Equity Incentive Plan Two Thousand Fourteen Equity Incentive Plan [Member] Other Liabilities Other Noncurrent Liabilities [Member] Performance-based Awards Performance Shares [Member] IPO Share Based Compensation Arrangement By Share Based Payment Award [Line Items] Share Based Compensation Arrangement By Share Based Payment Award [Line Items] Incentive stock option granted to employees owning percentage of shares of common stock Incentive Stock Option Granted To Employees Owning Percentage Of Shares Of Common Stock Percentage of fair value per share on the grant date Percentage Of Fair Value Per Share On The Grant Date Exercise price expire in years form the date of grant Exercise Price Expire In Years Form The Date Of Grant Stock options granted term Stock Options Granted Term Percentage of provisions subject to stockholders Percentage Of Provisions Subject To Stockholders Vesting percentage for stock options granted Sharebased Compensation Arrangement By Sharebased Payment Award Award Vesting Rights Percentage Vesting period for stock options granted Share Based Compensation Arrangement By Share Based Payment Award Award Vesting Period1 Shares reserved for issuance Term of plan Sharebased Compensation Arrangement By Sharebased Payment Award Expiration Period Percentage of outstanding number of shares Share Based Compensation Arrangement By Share Based Payment Award Percentage Of Outstanding Stock Maximum Aggregate number of shares available for issuance Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant Available for issuance of shares increased Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Increase In Available For Grant Number of shares outstanding Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number Early ​exercised​ stock​ options. Remaining liabilities related to early exercised shares. Early exercised stock options Early Exercised Stock Options Remaining liabilities related to early exercised shares Remaining Liabilities Related To Early Exercised Shares Options granted Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross Share-based compensation arrangement by share-based payment award number of shares available for grant granted in period. Share-based compensation arrangement by share-based payment award number of shares available for grant exercised in period. Share-based compensation arrangement by share-based payment award number of shares available for grant forfeited in period. Options Available for Grant, Beginning Balance Options Available for Grant, Additional shares authorized Share Based Compensation Arrangement By Share Based Payment Award Number Of Additional Shares Authorized Options Available for Grant, granted Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant Granted In Period Options Available for Grant, exercised Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant Exercised In Period Options Available for Grant, forfeited Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant Forfeited In Period Options Available for Grant, Ending Balance Number of Options, Beginning Balance Number of Options, granted Number of Options, exercised Number of Options, forfeited Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period Number of Options, Ending Balance Number of Options, Vested and expected to vest Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Number Number of Options, Exercisable Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number Weighted-Average Exercise Price Per Share, Beginning Balance Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price Weighted-Average Exercise Price Per Share, Options granted Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price Weighted-Average Exercise Price Per Share, Options exercised Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price Weighted-Average Exercise Price Per Share, Options forfeited Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price Weighted-Average Exercise Price Per Share, Ending Balance Weighted-Average Exercise Price Per Share, Vested and expected to vest Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Exercise Price Weighted-Average Exercise Price Per Share, Exercisable Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price Weighted-Average Remaining Contractual Term (Years) Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 Weighted-Average Remaining Contractual Term (Years), Vested and expected to vest Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Remaining Contractual Term1 Weighted-Average Remaining Contractual Term (Years), Exercisable Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 Aggregate Intrinsic Value Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value Aggregate Intrinsic Value, Vested and expected to vest Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Aggregate Intrinsic Value Aggregate Intrinsic Value, Exercisable Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 Weighted-average price per share Weighted-average grant date fair value of options granted Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value Intrinsic value of the stock options exercised Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value Offering period. Purchase period. Employees purchase shares of common stock of lower of fair market value Sharebased Compensation Arrangement By Sharebased Payment Award Purchase Price Of Common Stock Percent Offering period Offering Period Purchase period Purchase Period Percentage of payroll deductions of eligible compensation Share Based Compensation Arrangement By Share Based Payment Award Maximum Employee Subscription Rate Employees acquired shares of common stock Share Based Compensation Arrangement By Share Based Payment Award Shares Purchased For Award Fair Value Assumptions Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions And Methodology [Abstract] Expected volatility Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate Expected volatility, Minimum Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate Minimum Expected volatility, Maximum Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate Maximum 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 Risk-free interest rate, Minimum Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate Minimum Risk-free interest rate, Maximum Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate Maximum Risk-free interest rate Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate 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] Total stock-based compensation expense Allocated Share Based Compensation Expense Number of shares vested Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested Number Of Shares Stock-based compensation expense Unrecognized stock-based compensation expense Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Unrecognized share-based compensation expense, expected to be recognized Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1 Funding period of award to develop universal vaccine to prevent infections. Percentage of reimbursable expenses. Initial funding committed by award. Funding committed by award, available upon achievement of development milestones. Funding arrangement. Funding arrangement. Funding Arrangement [Table] Funding Arrangement [Table] Collaborative Arrangement and Arrangement Other than Collaborative Type Of Arrangement [Axis] Collaborative Arrangement and Arrangement Other than Collaborative Arrangements And Nonarrangement Transactions [Member] Cost reimbursement sub-award agreement. Cost Reimbursement Sub-Award Agreement Cost Reimbursement Sub Award Agreement [Member] Combating antibiotic resistant bacteria biopharmaceutical accelerator agreement. CARB-X Agreement Combating Antibiotic Resistant Bacteria Biopharmaceutical Accelerator Agreement [Member] Funding Arrangement [Line Items] Funding Arrangement [Line Items] Funding period of award to develop universal vaccine to prevent infections caused by Group A Strep bacteria Funding Period Of Award To Develop Universal Vaccine To Prevent Infections Percentage of reimbursable expenses Percentage Of Reimbursable Expenses Initial funding committed by award Initial Funding Committed By Award Total funding committed by award, available upon achievement of development milestones Funding Committed By Award Available Upon Achievement Of Development Milestones Grant receivable on unreimbursed, eligible costs incurred Grants Receivable Net loss (in thousands) Net Income Loss Available To Common Stockholders Basic Weighted-average shares outstanding used in computing net loss per share, basic and diluted 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] Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items] Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items] Antidilutive securities excluded from computation of diluted net loss per share Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount Effective income tax rate reconciliation change in fair value of tranche liability. Effective Income Tax Rate Continuing Operations Tax Rate Reconciliation [Abstract] Statutory Rate Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate Change in Fair Value of Tranche Liability Effective Income Tax Rate Reconciliation Change In Fair Value Of Tranche Liability Credits Effective Income Tax Rate Reconciliation Tax Credits Stock-based Compensation Effective Income Tax Rate Reconciliation Nondeductible Expense Share Based Compensation Cost Other Effective Income Tax Rate Reconciliation Other Adjustments Change in valuation allowance Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance Total Effective Income Tax Rate Continuing Operations Deferred tax assets tax accrued manufacturing expenses. Components Of Deferred Tax Assets And Liabilities [Abstract] Net operating losses Deferred Tax Assets Operating Loss Carryforwards Fixed assets Deferred Tax Assets Property Plant And Equipment Accruals & reserves Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Credits Deferred Tax Assets Tax Credit Carryforwards Section 59(e) Capitalized expenses Deferred Tax Assets In Process Research And Development Accrued manufacturing expenses Deferred Tax Assets Tax Accrued Manufacturing Expenses Total Deferred Tax Assets Gross Valuation allowance Deferred Tax Assets Valuation Allowance Net deferred tax assets Deferred Tax Assets Net Operating loss carry forwards expiration year Income tax disclosure. Income tax disclosure. Income Tax Disclosure [Table] Income Tax Disclosure [Table] Income Tax Authority Income Tax Authority [Axis] Income Tax Authority Income Tax Authority [Domain] Federal Domestic Country [Member] State State And Local Jurisdiction [Member] California CALIFORNIA Tax Credit Carryforward Tax Credit Carryforward [Axis] Tax Credit Carryforward, Name Tax Credit Carryforward Name [Domain] Research Research [Member] Income Tax Disclosure [Line Items] Income Tax Disclosure [Line Items] Net operating loss carryforwards Operating Loss Carryforwards Operating loss carry forwards expiration year Operating Loss Carry Forwards Expiration Year Tax credit carryforward expiration year. Research credit carryforwards Income Tax Reconciliation Tax Credits Research Tax credit carry forwards expiration year Tax Credit Carryforward Expiration Year Research credit carryforward Tax Credit Carryforward Amount Uncertain tax benefits Unrecognized Tax Benefits Interest or penalties recognized for the period Unrecognized Tax Benefits Income Tax Penalties And Interest Expense Reconciliation Of Unrecognized Tax Benefits Excluding Amounts Pertaining To Examined Tax Returns Roll Forward Balance at the beginning of the year Additions based on tax positions related to current year Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions Adjustments based on tax positions related to prior years Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions Adjustments based on tax positions related to prior years Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions Balance at end of year Schedule Of Related Party Transactions By Related Party [Table] Schedule Of Related Party Transactions By Related Party [Table] Related Party Related Party Transactions By Related Party [Axis] Related Party Related Party [Domain] Sutro Biopharma, Inc. Sutro Biopharma, Inc Sutro Biopharma Inc [Member] Preferred stock warrant. Preferred Stock Warrant Preferred Stock Warrant [Member] Series C Redeemable Convertible Stock Related Party Transaction Related Party Transaction [Axis] Related Party Transaction Related Party Transaction [Domain] License Amendment A Two. License Amendment A2 License Amendment A Two [Member] License Agreement. License Agreement License Agreement [Member] Supply Agreement. Supply Agreement Supply Agreement [Member] Related Party Transaction [Line Items] Related Party Transaction [Line Items] Common stock, shares owned Warrant to purchase shares of stock Class Of Warrant Or Right Number Of Securities Called By Each Warrant Or Right Warrant purchase price per share Warrant exercisable and vests immediately and expires date Class Of Warrant Or Righst Date From Which Warrants Or Rights Exercisable Percentage of royalty payment on annual net sales of vaccine products for human health. Percentage of royalty payment on net sales of vaccine compositions for animal health. Percentage of royalty payment on annual net sales of vaccine products for human health Percentage Of Royalty Payment On Annual Net Sales Of Vaccine Products For Human Health Percentage of royalty payment on net sales of vaccine compositions for animal health Percentage Of Royalty Payment On Net Sales Of Vaccine Compositions For Animal Health Expenses related to agreement Related Party Transaction Expenses From Transactions With Related Party Accrued expenses payable Research and development Other income (expense), net