001 - Statement - Condensed Balance Sheets link:presentationLink link:definitionLink link:calculationLink 002 - Statement - Condensed Balance Sheets (Parentheticals) link:presentationLink link:definitionLink link:calculationLink 003 - Statement - Condensed Statements of Operations and Comprehensive Loss link:presentationLink link:definitionLink link:calculationLink 004 - Statement - Condensed Statements of Stockholders' Equity link:presentationLink link:definitionLink link:calculationLink 005 - Statement - Condensed Statements of Cash Flows link:presentationLink link:definitionLink link:calculationLink 006 - Disclosure - Organization, Nature of Business, and Liquidity link:presentationLink link:definitionLink link:calculationLink 007 - Disclosure - Fair Value of Financial Instruments link:presentationLink link:definitionLink link:calculationLink 008 - Disclosure - Cash and Cash Equivalents link:presentationLink link:definitionLink link:calculationLink 009 - Disclosure - Inventories link:presentationLink link:definitionLink link:calculationLink 010 - Disclosure - Accrued Expenses link:presentationLink link:definitionLink link:calculationLink 011 - Disclosure - Revenue Recognition link:presentationLink link:definitionLink link:calculationLink 012 - Disclosure - Commitments and Contingencies link:presentationLink link:definitionLink link:calculationLink 013 - Disclosure - Convertible Notes with Warrants link:presentationLink link:definitionLink link:calculationLink 014 - Disclosure - Stockholders' Equity link:presentationLink link:definitionLink link:calculationLink 015 - Disclosure - Equity Incentive Plans and Warrants link:presentationLink link:definitionLink link:calculationLink 016 - Disclosure - Related‑Party Transactions link:presentationLink link:definitionLink link:calculationLink 017 - Disclosure - Net Loss per Share Attributable to Common Stockholders link:presentationLink link:definitionLink link:calculationLink 018 - Disclosure - Income Taxes link:presentationLink link:definitionLink link:calculationLink 019 - Disclosure - Segment Reporting link:presentationLink link:definitionLink link:calculationLink 020 - Disclosure - Other Income (expense), net link:presentationLink link:definitionLink link:calculationLink 021 - Disclosure - Subsequent Events link:presentationLink link:definitionLink link:calculationLink 996000 - Disclosure - Accounting Policies, by Policy (Policies) link:presentationLink link:definitionLink link:calculationLink 996001 - Disclosure - Fair Value of Financial Instruments (Tables) link:presentationLink link:definitionLink link:calculationLink 996002 - Disclosure - Inventories (Tables) link:presentationLink link:definitionLink link:calculationLink 996003 - Disclosure - Accrued Expenses (Tables) link:presentationLink link:definitionLink link:calculationLink 996004 - Disclosure - Revenue Recognition (Tables) link:presentationLink link:definitionLink link:calculationLink 996005 - Disclosure - Convertible Notes with Warrants (Tables) link:presentationLink link:definitionLink link:calculationLink 996006 - Disclosure - Stockholders' Equity (Tables) link:presentationLink link:definitionLink link:calculationLink 996007 - Disclosure - Equity Incentive Plans and Warrants (Tables) link:presentationLink link:definitionLink link:calculationLink 996008 - Disclosure - Net Loss per Share Attributable to Common Stockholders (Tables) link:presentationLink link:definitionLink link:calculationLink 996009 - Disclosure - Segment Reporting (Tables) link:presentationLink link:definitionLink link:calculationLink 996010 - Disclosure - Other Income (expense), net (Tables) link:presentationLink link:definitionLink link:calculationLink 996011 - Disclosure - Organization, Nature of Business, and Liquidity (Details) link:presentationLink link:definitionLink link:calculationLink 996012 - Disclosure - Fair Value of Financial Instruments (Details) link:presentationLink link:definitionLink link:calculationLink 996013 - Disclosure - Fair Value of Financial Instruments - Fair Value of Conversion Option Liability and Warrants Liabilities (Details) link:presentationLink link:definitionLink link:calculationLink 996014 - Disclosure - Fair Value of Financial Instruments - Fair Value Estimated Using Black-Scholes Option Pricing Model (Details) link:presentationLink link:definitionLink link:calculationLink 996015 - Disclosure - Cash and Cash Equivalents (Details) link:presentationLink link:definitionLink link:calculationLink 996016 - Disclosure - Inventories - Inventory Stated at Cost (Details) link:presentationLink link:definitionLink link:calculationLink 996017 - Disclosure - Accrued Expenses - Accrued Expenses (Details) link:presentationLink link:definitionLink link:calculationLink 996018 - Disclosure - Revenue Recognition (Details) link:presentationLink link:definitionLink link:calculationLink 996019 - Disclosure - Revenue Recognition - Sales by geographic region (Details) link:presentationLink link:definitionLink link:calculationLink 996020 - Disclosure - Convertible Notes with Warrants (Details) link:presentationLink link:definitionLink link:calculationLink 996021 - Disclosure - Convertible Notes with Warrants - 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Disclosure - Equity Incentive Plans and Warrants - Restricted Stock Units (RSUs) (Details) link:presentationLink link:definitionLink link:calculationLink 996029 - Disclosure - Equity Incentive Plans and Warrants - Share-Based Compensation Expense (Details) link:presentationLink link:definitionLink link:calculationLink 996030 - Disclosure - Equity Incentive Plans and Warrants - Share-Based Compensation Expense (Details) 0 link:presentationLink link:definitionLink link:calculationLink 996031 - Disclosure - Related‑Party Transactions (Details) link:presentationLink link:definitionLink link:calculationLink 996032 - Disclosure - Net Loss per Share Attributable to Common Stockholders (Details) link:presentationLink link:definitionLink link:calculationLink 996033 - Disclosure - Net Loss per Share Attributable to Common Stockholders - Computation of Basic and Diluted Net loss Per Share (Details) link:presentationLink link:definitionLink link:calculationLink 996034 - Disclosure - Net Loss per Share Attributable to Common Stockholders - Computations of Diluted Weighted Average Shares Outstanding (Details) link:presentationLink link:definitionLink link:calculationLink 996035 - Disclosure - Income Taxes (Details) link:presentationLink link:definitionLink link:calculationLink 996036 - Disclosure - Segment Reporting (Details) link:presentationLink link:definitionLink link:calculationLink 996037 - Disclosure - Segment Reporting - Significant Segment Expenses (Details) link:presentationLink link:definitionLink link:calculationLink 996038 - Disclosure - Other Income (expense), net - Other Income (Expense), Net (Details) link:presentationLink link:definitionLink link:calculationLink 996039 - Disclosure - Subsequent Events (Details) link:presentationLink link:definitionLink link:calculationLink 000 - Document - Document And Entity Information link:presentationLink link:definitionLink link:calculationLink