100000 - Document - Document and Entity Information link:presentationLink link:calculationLink link:definitionLink 100010 - Statement - Consolidated Balance Sheets link:presentationLink link:calculationLink link:definitionLink 100020 - Statement - Consolidated Balance Sheets (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 100030 - Statement - Consolidated Statements of Operations and Comprehensive Loss 2 link:presentationLink link:calculationLink link:definitionLink 100040 - Statement - Consolidated Statements of Operations and Comprehensive Loss link:presentationLink link:calculationLink link:definitionLink 100050 - Statement - Consolidated Statements of Redeemable Common Stock, Stock Options, Convertible Preferred Stock and Stockholders' Equity (Deficit) link:presentationLink link:calculationLink link:definitionLink 100060 - Disclosure - Leases - Schedule of Maturities of Lease Liabilities (Details) 5 link:presentationLink link:calculationLink link:definitionLink 100070 - Statement - Consolidated Statements of Redeemable Common Stock, Stock Options, Convertible Preferred Stock and Stockholders' Equity (Deficit) (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 100080 - Statement - Consolidated Statements of Cash Flows link:presentationLink link:calculationLink link:definitionLink 100090 - Statement - Consolidated Statements of Cash Flows (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 100100 - Disclosure - Organization and Basis of Presentation link:presentationLink link:calculationLink link:definitionLink 100110 - Disclosure - Summary of Accounting Policies link:presentationLink link:calculationLink link:definitionLink 100120 - Disclosure - Short-Term Investments link:presentationLink link:calculationLink link:definitionLink 100130 - Disclosure - Inventories link:presentationLink link:calculationLink link:definitionLink 100140 - Disclosure - Property and Equipment link:presentationLink link:calculationLink link:definitionLink 100150 - Disclosure - Fair Value Measurements link:presentationLink link:calculationLink link:definitionLink 100160 - Disclosure - Accrued Expenses and Other Current Liabilities link:presentationLink link:calculationLink link:definitionLink 100170 - Disclosure - Term Loan link:presentationLink link:calculationLink link:definitionLink 100180 - Disclosure - Common Stock Warrant Liability link:presentationLink link:calculationLink link:definitionLink 100190 - Disclosure - Stockholders Equity (Deficit) link:presentationLink link:calculationLink link:definitionLink 100200 - Disclosure - Convertible Preferred Stock Warrants link:presentationLink link:calculationLink link:definitionLink 100210 - Disclosure - Stock-Based Compensation Expense link:presentationLink link:calculationLink link:definitionLink 100220 - Disclosure - Income Taxes link:presentationLink link:calculationLink link:definitionLink 100230 - Disclosure - Notes Receivable for Redeemable Common Stock link:presentationLink link:calculationLink link:definitionLink 100240 - Disclosure - Leases link:presentationLink link:calculationLink link:definitionLink 100250 - Disclosure - Commitments and Contingencies link:presentationLink link:calculationLink link:definitionLink 100260 - Disclosure - Employee benefit plan link:presentationLink link:calculationLink link:definitionLink 100270 - Disclosure - Subsequent Events link:presentationLink link:calculationLink link:definitionLink 100280 - Disclosure - Summary of Accounting Policies (Policies) link:presentationLink link:calculationLink link:definitionLink 100290 - Disclosure - Summary of Accounting Policies (Tables) link:presentationLink link:calculationLink link:definitionLink 100300 - Disclosure - Short-Term Investments (Tables) link:presentationLink link:calculationLink link:definitionLink 100310 - Disclosure - Inventories (Tables) link:presentationLink link:calculationLink link:definitionLink 100320 - Disclosure - Property and Equipment (Tables) link:presentationLink link:calculationLink link:definitionLink 100330 - Disclosure - Fair Value Measurements (Tables) link:presentationLink link:calculationLink link:definitionLink 100340 - Disclosure - Accrued Expenses and Other Current Liabilities (Tables) link:presentationLink link:calculationLink link:definitionLink 100350 - Disclosure - Term Loan (Tables) link:presentationLink link:calculationLink link:definitionLink 100360 - Disclosure - Common Stock Warrant Liability (Tables) link:presentationLink link:calculationLink link:definitionLink 100370 - Disclosure - Stockholders Equity (Deficit) (Tables) link:presentationLink link:calculationLink link:definitionLink 100380 - Disclosure - Convertible Preferred Stock Warrants (Tables) link:presentationLink link:calculationLink link:definitionLink 100390 - Disclosure - Stock-Based Compensation Expense (Tables) link:presentationLink link:calculationLink link:definitionLink 100400 - Disclosure - Income Taxes (Tables) link:presentationLink link:calculationLink link:definitionLink 100410 - Disclosure - Leases (Tables) link:presentationLink link:calculationLink link:definitionLink 100420 - Disclosure - Organization and Basis of Presentation - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 100430 - Disclosure - Summary of Accounting Policies - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 100440 - Disclosure - Summary of Accounting Policies - Schedule of Cash Cash Equivalents And Restricted Cash (Details) link:presentationLink link:calculationLink link:definitionLink 100450 - Disclosure - Summary of Accounting Policies - Schedule of Basic and Diluted Net Loss Per Share (Details) link:presentationLink link:calculationLink link:definitionLink 100460 - Disclosure - Summary of Accounting Policies - Schedule of Dilutive Securities Excluded from Computation of Income (Loss) Per Share (Details) link:presentationLink link:calculationLink link:definitionLink 100470 - Disclosure - Summary of Accounting Policies - Schedule of Revenue from Contracts with Customer (Details) link:presentationLink link:calculationLink link:definitionLink 100480 - Disclosure - Short-Term Investments - Schedule of Short-term Investment Available For Sale (Details) link:presentationLink link:calculationLink link:definitionLink 100490 - Disclosure - Short-Term Investments - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 100500 - Disclosure - Inventories - Schedule of Inventories (Details) link:presentationLink link:calculationLink link:definitionLink 100510 - Disclosure - Inventories - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 100520 - Disclosure - Property and Equipment - Schedule of property and equipment (Details) link:presentationLink link:calculationLink link:definitionLink 100530 - Disclosure - Property and Equipment - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 100540 - Disclosure - Fair Value Measurements - Schedule of assets and liabilities measured at fair value on recurring basis and the fair value hierarchy of the valuation techniques (Details) link:presentationLink link:calculationLink link:definitionLink 100550 - Disclosure - Fair Value Measurements (Additional Information) (Details) link:presentationLink link:calculationLink link:definitionLink 100560 - Disclosure - Fair Value Measurements - Schedule of estimated fair value for the warrant liabilities measured using significant unobservable inputs (Details) link:presentationLink link:calculationLink link:definitionLink 100570 - Disclosure - Accrued Expenses and Other Current Liabilities - Schedule of Accrued Expenses and Other Current Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 100580 - Disclosure - Term Loan - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 100590 - Disclosure - Term Loan - Future Annual Principal Payments Due Under the Amended Term Loan (Details) link:presentationLink link:calculationLink link:definitionLink 100600 - Disclosure - Term Loan - Schedule of Cash Interest Paid and Effective Interest Rate On Term Loan (Details) link:presentationLink link:calculationLink link:definitionLink 100610 - Disclosure - Common Stock Warrant Liability - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 100620 - Disclosure - Common Stock Warrant Liability - Schedule Of Assumptions Used To Determine The Fair Value Of Warrant (Details) link:presentationLink link:calculationLink link:definitionLink 100630 - Disclosure - Stockholders Equity (Deficit) - Summary of Preferred Units (Details) link:presentationLink link:calculationLink link:definitionLink 100640 - Disclosure - Stockholders Equity (Deficit) - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 100650 - Disclosure - Stockholders Equity (Deficit) - Summary Of Common Stock Equivalent Of Preferred Stock Due To Anti Dilution Provisions (Details) link:presentationLink link:calculationLink link:definitionLink 100660 - Disclosure - Stockholders Equity (Deficit) - Summary of Common Stock Reserved For Future Issuance (Details) link:presentationLink link:calculationLink link:definitionLink 100670 - Disclosure - Stockholders' Equity - Summary of Common Stock Reserved For Future Issuance (Parenthetical) (Details) link:presentationLink link:calculationLink link:definitionLink 100680 - Disclosure - Convertible Preferred Stock Warrants - Schedule of Probability Weighted Assumptions of Convertible Preferred Stock Warrants (Details) link:presentationLink link:calculationLink link:definitionLink 100690 - Disclosure - Convertible Preferred Stock Warrants - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 100700 - Disclosure - Stock-Based Compensation Expense - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 100710 - Disclosure - Stock-Based Compensation Expense - Summary of Stock Option Activities (Details) link:presentationLink link:calculationLink link:definitionLink 100720 - Disclosure - Stock-Based Compensation Expense - Summary of Non-Vested Restricted stock unit Activities (Details) link:presentationLink link:calculationLink link:definitionLink 100730 - Disclosure - Stock-Based Compensation Expense - Schedule of Stock-Based Compensation Expense (Details) link:presentationLink link:calculationLink link:definitionLink 100740 - Disclosure - Stock-Based Compensation Expense - Schedule of Range and Weighted-average Assumptions Used in Black-Scholes Option Pricing Model to Determine the Fair Value of Stock Options (Details) link:presentationLink link:calculationLink link:definitionLink 100750 - Disclosure - Income Taxes - Schedule of Income before Income Tax (Details) link:presentationLink link:calculationLink link:definitionLink 100760 - Disclosure - Income Taxes - Schedule of Components of Income Tax Expense (Benefit) (Details) link:presentationLink link:calculationLink link:definitionLink 100770 - Disclosure - Income Tax - Schedule of Deferred Tax Assets (Details) link:presentationLink link:calculationLink link:definitionLink 100780 - Disclosure - Income Taxes - Schedule of Effective Income Tax Rate Reconciliation (Details) link:presentationLink link:calculationLink link:definitionLink 100790 - Disclosure - Income Taxes - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 100800 - Disclosure - Income Taxes - Schedule of Unrecognized Tax Benefits Roll Forward (Details) link:presentationLink link:calculationLink link:definitionLink 100810 - Disclosure - Leases - Schedule of Maturities of Lease Liabilities (Details) 2 link:presentationLink link:calculationLink link:definitionLink 100820 - Disclosure - Notes Receivable for Redeemable Common Stock - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 100830 - Disclosure - Leases - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 100840 - Disclosure - Leases - Summary Of Lease Balances Sheet Information (Details) link:presentationLink link:calculationLink link:definitionLink 100850 - Disclosure - Leases - Schedule of Components of Lease Expense (Details) link:presentationLink link:calculationLink link:definitionLink 100860 - Disclosure - Leases - Schedule of Maturities of Lease Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 100870 - Disclosure - Leases - Summary of Weighted Average Remaining Lease Term and Discount Rate (Details) link:presentationLink link:calculationLink link:definitionLink 100880 - Disclosure - Commitments and Contingencies - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 100890 - Disclosure - Employee benefit plan - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 100900 - Disclosure - Subsequent events - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink