00000 - Document - Template Link link:presentationLink link:calculationLink link:definitionLink 100000 - Document - Document and Entity Information link:calculationLink link:presentationLink link:definitionLink 100010 - Statement - Consolidated Balance Sheets link:calculationLink link:presentationLink link:definitionLink 100020 - Statement - Consolidated Balance Sheets (Parenthetical) link:calculationLink link:presentationLink link:definitionLink 100030 - Statement - Consolidated Statements of Operations link:calculationLink link:presentationLink link:definitionLink 100040 - Statement - Consolidated Statements of Comprehensive Loss link:calculationLink link:presentationLink link:definitionLink 100050 - Statement - Consolidated Statements of Stockholders' Equity link:calculationLink link:presentationLink link:definitionLink 100060 - Statement - Consolidated Statements of Cash Flows link:calculationLink link:presentationLink link:definitionLink 100070 - Disclosure - Organization link:calculationLink link:presentationLink link:definitionLink 100080 - Disclosure - Summary of Significant Accounting Policies link:calculationLink link:presentationLink link:definitionLink 100090 - Disclosure - Fair Value Measurement link:calculationLink link:presentationLink link:definitionLink 100100 - Disclosure - Inventories link:calculationLink link:presentationLink link:definitionLink 100110 - Disclosure - Property and Equipment link:calculationLink link:presentationLink link:definitionLink 100120 - Disclosure - Goodwill link:calculationLink link:presentationLink link:definitionLink 100130 - Disclosure - Intangible Assets link:calculationLink link:presentationLink link:definitionLink 100140 - Disclosure - Accrued Expenses link:calculationLink link:presentationLink link:definitionLink 100150 - Disclosure - PPP Loan link:calculationLink link:presentationLink link:definitionLink 100160 - Disclosure - Commitments and Contingencies link:calculationLink link:presentationLink link:definitionLink 100170 - Disclosure - Stockholders' Equity link:calculationLink link:presentationLink link:definitionLink 100180 - Disclosure - Employee Benefit Plan link:calculationLink link:presentationLink link:definitionLink 100190 - Disclosure - Income Taxes link:calculationLink link:presentationLink link:definitionLink 100200 - Disclosure - Loan and Security Agreement link:calculationLink link:presentationLink link:definitionLink 100210 - Disclosure - Business Segments and Geographical Information link:calculationLink link:presentationLink link:definitionLink 100220 - Disclosure - Computation of Basic and Diluted Net Loss Per Common Share link:calculationLink link:presentationLink link:definitionLink 100230 - Disclosure - Subsequent Events link:calculationLink link:presentationLink link:definitionLink 100240 - Disclosure - Summary of Significant Accounting Policies (Policies) link:calculationLink link:presentationLink link:definitionLink 100250 - Disclosure - Summary of Significant Accounting Policies (Tables) link:calculationLink link:presentationLink link:definitionLink 100260 - Disclosure - Fair Value Measurement (Tables) link:calculationLink link:presentationLink link:definitionLink 100270 - Disclosure - Inventories (Tables) link:calculationLink link:presentationLink link:definitionLink 100280 - Disclosure - Property and Equipment (Tables) link:calculationLink link:presentationLink link:definitionLink 100290 - Disclosure - Intangible Assets (Tables) link:calculationLink link:presentationLink link:definitionLink 100300 - Disclosure - Accrued Expenses (Tables) link:calculationLink link:presentationLink link:definitionLink 100310 - Disclosure - Commitments and Contingencies (Tables) link:calculationLink link:presentationLink link:definitionLink 100320 - Disclosure - Stockholders' Equity (Tables) link:calculationLink link:presentationLink link:definitionLink 100330 - Disclosure - Income Taxes (Tables) link:calculationLink link:presentationLink link:definitionLink 100340 - Disclosure - Business Segments and Geographical Information (Tables) link:calculationLink link:presentationLink link:definitionLink 100350 - Disclosure - Computation of Basic and Diluted Net Income Per Common Share (Tables) link:calculationLink link:presentationLink link:definitionLink 100360 - Disclosure - Summary of Significant Accounting Policies - Additional Information (Details) link:calculationLink link:presentationLink link:definitionLink 100370 - Disclosure - Summary of Significant Accounting Policies - Reconciliation of Changes in Allowance for Doubtful Accounts (Details) link:calculationLink link:presentationLink link:definitionLink 100380 - Disclosure - Summary of Significant Accounting Policies - Reconciliation of Changes in Deferred Revenue (Details) link:calculationLink link:presentationLink link:definitionLink 100390 - Disclosure - Summary of Significant Accounting Policies - Reconciliation of Changes in Warranty Liability (Details) link:calculationLink link:presentationLink link:definitionLink 100400 - Disclosure - Fair Value Measurement - Financial Assets and Liabilities Measured and Recognized at Fair Value on a Recurring Basis (Details) link:calculationLink link:presentationLink link:definitionLink 100410 - Disclosure - Inventories - Components of Inventories (Details) link:calculationLink link:presentationLink link:definitionLink 100420 - Disclosure - Property and Equipment - Component of Property and Equipment (Details) link:calculationLink link:presentationLink link:definitionLink 100430 - Disclosure - Property and Equipment - Additional Information (Details) link:calculationLink link:presentationLink link:definitionLink 100440 - Disclosure - Goodwill - Additional Information (Details) link:calculationLink link:presentationLink link:definitionLink 100450 - Disclosure - Intangible Assets - Components of Purchased Intangible Assets (Details) link:calculationLink link:presentationLink link:definitionLink 100460 - Disclosure - Intangible Assets - Additional Information (Details) link:calculationLink link:presentationLink link:definitionLink 100470 - Disclosure - Intangible Assets - Estimated Future Amortization Expense for Purchased Intangible Assets (Details) link:calculationLink link:presentationLink link:definitionLink 100480 - Disclosure - Accrued Expenses - Components of Accrued Expenses (Details) link:calculationLink link:presentationLink link:definitionLink 100490 - Disclosure - Accrued Expenses - Additional Information (Details) link:calculationLink link:presentationLink link:definitionLink 100500 - Disclosure - PPP Loan - Additional Information (Details) link:calculationLink link:presentationLink link:definitionLink 100510 - Disclosure - Commitments and Contingencies - Additional Information (Details) link:calculationLink link:presentationLink link:definitionLink 100520 - Disclosure - Commitments and Contingencies - Schedule of Maturities of Operating Lease Liabilities (Details) link:calculationLink link:presentationLink link:definitionLink 100530 - Disclosure - Commitments and Contingencies - Schedule of Maturities of Operating Lease Liabilities (Details)2 link:calculationLink link:presentationLink link:definitionLink 100540 - Disclosure - Commitments and Contingencies - Future Minimum Payments for our Purchase Commitments (Details) link:calculationLink link:presentationLink link:definitionLink 100550 - Disclosure - Stockholders' Equity - Additional Information (Details) link:calculationLink link:presentationLink link:definitionLink 100560 - Disclosure - Stockholders' Equity - Summary of Share Activity and Total Number of Share Available for Grant (Details) link:calculationLink link:presentationLink link:definitionLink 100570 - Disclosure - Stockholders' Equity - Stock-Based Compensation Expenses (Details) link:calculationLink link:presentationLink link:definitionLink 100580 - Disclosure - Stockholders' Equity - Summary of Activity in Stock Option Plan (Details) link:calculationLink link:presentationLink link:definitionLink 100590 - Disclosure - Stockholders' Equity - Stock Options Outstanding and Exercisable (Details) link:calculationLink link:presentationLink link:definitionLink 100600 - Disclosure - Stockholders' Equity - Weighted Average Assumptions for Fair Value of Options Granted (Details) link:calculationLink link:presentationLink link:definitionLink 100610 - Disclosure - Stockholders' Equity - Stock Options Outstanding, Exercisable and Expected to Vest (Details) link:calculationLink link:presentationLink link:definitionLink 100620 - Disclosure - Stockholders' Equity - Restricted Stock Units Outstanding, Vested and Expected to Vest (Details) link:calculationLink link:presentationLink link:definitionLink 100630 - Disclosure - Stockholders' Equity - Restricted Stock Units and Awards (Details) link:calculationLink link:presentationLink link:definitionLink 100640 - Disclosure - Employee Benefit Plan - Additional Information (Details) link:calculationLink link:presentationLink link:definitionLink 100650 - Disclosure - Income Taxes - Loss from Operations Before Provision for Income Taxes (Details) link:calculationLink link:presentationLink link:definitionLink 100660 - Disclosure - Income Taxes - Provision for Income Taxes (Details) link:calculationLink link:presentationLink link:definitionLink 100670 - Disclosure - Income Taxes - Effective Tax Rate Differs from the Statutory Federal Income Tax Rate (Details) link:calculationLink link:presentationLink link:definitionLink 100680 - Disclosure - Income Taxes - Tax Effect of Temporary Differences and Carryforwards that Give Rise to Significant Portions of the Net Deferred Tax Assets (Details) link:calculationLink link:presentationLink link:definitionLink 100690 - Disclosure - Income Taxes - Additional Information (Details) link:calculationLink link:presentationLink link:definitionLink 100700 - Disclosure - Income Taxes - A Reconciliation of the Beginning and Ending Amount of Unrecognized Tax Benefits (Details) link:calculationLink link:presentationLink link:definitionLink 100710 - Disclosure - Loan and Security Agreement - Additional Information (Details) link:calculationLink link:presentationLink link:definitionLink 100720 - Disclosure - Business Segments and Geographical Information - Additional Information (Details) link:calculationLink link:presentationLink link:definitionLink 100730 - Disclosure - Business Segments and Geographical Information - Schedule of Revenue Information by Product (Details) link:calculationLink link:presentationLink link:definitionLink 100740 - Disclosure - Business Segments and Geographical Information - Schedule of Revenue Information by Product (Parenthetical) (Details) link:calculationLink link:presentationLink link:definitionLink 100750 - Disclosure - Business Segments and Geographical Information - Revenue Information by Geographic Region (Details) link:calculationLink link:presentationLink link:definitionLink 100760 - Disclosure - Computation of Basic and Diluted Net Loss Per Common Share - Reconciliation of Numerator and Denominator of Basic and Diluted Net Income Per Common Share (Details) link:calculationLink link:presentationLink link:definitionLink 100770 - Disclosure - Computation of Basic and Diluted Net Loss Per Common Share - Additional Information (Details) link:calculationLink link:presentationLink link:definitionLink 100780 - Disclosure - Subsequent Events - Additional Information (Details) link:calculationLink link:presentationLink link:definitionLink