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Cover
Financial Statements
Condensed Consolidated Balance Sheets
Condensed Consolidated Balance Sheets (Parenthetical)
Condensed Consolidated Statements of Operations and Comprehensive Loss
Consolidated Statements of Convertible Preferred Stock and Stockholders Deficit
Consolidated Statements of Convertible Preferred Stock and Stockholders Deficit (Parenthetical)
Condensed Consolidated Statements of Cash Flows
Notes to Financial Statements
Organization and Basis of Presentation
Summary of Significant Accounting Policies
Financial Instruments and Fair Value Measurements
Cash Equivalents and Short-Term Investments
Balance Sheet Components
Commitments and Contingencies
Term Notes
Convertible Preferred Stock
Warrant Liability
Stock-Based Compensation
Income Taxes
Net Loss Per Share
Segment and Geographic Information
Subsequent Events
Convertible Preferred Stock and Stockholders' Equity (Deficit)
Accounting Policies
Organization and Basis of Presentation (Policies)
Notes Tables
Summary of Significant Accounting Policies (Tables)
Financial Instruments and Fair Value Measurements (Tables)
Cash Equivalents and Short-Term Investments (Tables)
Balance Sheet Components (Tables)
Commitments and Contingencies (Tables)
Term Notes (Tables)
Convertible Preferred Stock and Stockholders' Equity (Deficit) (Tables)
Warrant Liability (Tables)
Stock-Based Compensation (Tables)
Income Taxes (Tables)
Net Loss Per Share (Tables)
Segment and Geographic Information (Tables)
Notes Details
Organization and Basis of Presentation - Additional Information (Detail)
Summary of Significant Accounting Policies - Schedule of Reconciliation of Cash, Cash Equivalents and Restricted Cash (Detail)
Summary of Significant Accounting Policies - Additional Information (Detail)
Financial Instruments and Fair Value Measurements - Schedule of Financial Assets and Liabilities Measured at Fair Value (Detail)
Financial Instruments and Fair Value Measurements - Schedule of Change in the Fair Value of the Warrant Liability (Detail)
Cash Equivalents and Short-Term Investments - Summary of Cash Equivalents and Short-Term Investments (Detail)
Balance Sheet Components - Schedule of Inventory (Detail)
Balance Sheet Components - Schedule of Property and Equipment (Detail)
Balance Sheet Components - Additional Information (Detail)
Balance Sheet Components - Schedule of Other Assets (Detail)
Balance Sheet Components - Schedule of Accrued Liabilities (Detail)
Commitments and Contingencies - Additional Information (Detail)
Commitments and Contingencies - Minimum Future Rental payments (Detail)
Term Notes - Additional Information (Detail)
Term Note - Long-term Debt and Net Premium Balance (Detail)
Term Note - Schedule of Future Minimum and Estimated Payments (Detail)
Convertible Preferred Stock - Additional Information (Detail)
Convertible Preferred Stock - Summary of Convertible Preferred Series Stock (Detail)
Warrant Liability - Summary of Outstanding Convertible Preferred Stock Warrants (Detail)
Warrant Liability - Additional Information (Detail)
Warrants Liabilities - Fair Value Warrants Using Black-Scholes Option Pricing Model (Detail)
Stock-Based Compensation - Schedule of Total Stock-Based Compensation (Detail)
Stock-Based Compensation - Schedule of Estimates Grant-Date Fair Value of Option Awards Using Black-Scholes Option Pricing Model with Assumptions (Detail)
Stock-Based Compensation - Additional Information (Detail)
Stock-Based Compensation - Schedule of Activity under 2009 Plan and 2019 Plan (Detail)
Stock-Based Compensation - Schedule of RSU Activity (Detail)
Stock-Based Compensation - Schedule of Common Stock Warrants (Detail)
Income Taxes - Schedule of Current Income Tax Provision (Detail)
Income Taxes - Components of Deferred Tax Assets (Detail)
Income Taxes - Reconciliation of Statutory Federal Income Tax (Detail)
Income Taxes - Additional Information (Detail)
Income Taxes - Schedule of Unrecognized Tax Benefits (Detail)
Net Loss Per Share - Summary of Outstanding Potentially Dilutive Common Stock Equivalents Excluded from Calculation of Diluted Net Loss Per Share (Detail)
Segment and Geographic Information - Schedule of Product Revenue Based on Location (Detail)
Subsequent Event - Additional Information (Detail)
Financial Instruments and Fair Value Measurements - Schedule of Fair Value of Warrants Determined Using the Black-Scholes Option Pricing Model (Detail)
Commitments and Contingencies - Schedule of Carrying Value of Operating Lease Liabilities (Detail)
Convertible Preferred Stock and Stockholder's Equity (Deficit) - Additional Information (Detail)
Convertible Preferred Stock and Stockholder's Equity (Deficit) - Summary of Key Terms of Outstanding Common Stock Warrants (Detail)
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