0001001 - Document - Cover Page link:presentationLink link:calculationLink link:definitionLink 1001002 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS link:presentationLink link:calculationLink link:definitionLink 1002003 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 1003004 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS link:presentationLink link:calculationLink link:definitionLink 1004005 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (Unaudited) link:presentationLink link:calculationLink link:definitionLink 1005006 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS link:presentationLink link:calculationLink link:definitionLink 2101101 - Disclosure - Organization and Basis of Presentation link:presentationLink link:calculationLink link:definitionLink 2202201 - Disclosure - Organization and Basis of Presentation (Policies) link:presentationLink link:calculationLink link:definitionLink 2403401 - Disclosure - Organization and Basis of Presentation (Detail) link:presentationLink link:calculationLink link:definitionLink 2104102 - Disclosure - Summary of Significant Accounting Policies link:presentationLink link:calculationLink link:definitionLink 2305301 - Disclosure - Summary of Significant Accounting Policies (Tables) link:presentationLink link:calculationLink link:definitionLink 2406402 - Disclosure - Summary of Significant Accounting Policies - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 2407403 - Disclosure - Summary of Significant Accounting Policies - Reconciliation of Change in Estimated Warranty Liabilities (Detail) link:presentationLink link:calculationLink link:definitionLink 2408404 - Disclosure - Summary of Significant Accounting Policies - Anti-Dilutive Securities (Detail) link:presentationLink link:calculationLink link:definitionLink 2109103 - Disclosure - Short-Term Investments link:presentationLink link:calculationLink link:definitionLink 2310302 - Disclosure - Short-Term Investments (Tables) link:presentationLink link:calculationLink link:definitionLink 2411405 - Disclosure - Short-Term Investments - Estimated Fair Value of Short-Term Investments (Detail) link:presentationLink link:calculationLink link:definitionLink 2412406 - Disclosure - Short-Term Investments - Contractual Maturities of Available - For- Sale Debt Securities (Details) link:presentationLink link:calculationLink link:definitionLink 2113104 - Disclosure - Composition of Certain Financial Statement Items link:presentationLink link:calculationLink link:definitionLink 2314303 - Disclosure - Composition of Certain Financial Statement Items (Tables) link:presentationLink link:calculationLink link:definitionLink 2415407 - Disclosure - Composition of Certain Financial Statement Items - Accounts Receivable (Details) link:presentationLink link:calculationLink link:definitionLink 2416408 - Disclosure - Composition of Certain Financial Statement Items - Reconciliation of Change in Estimated Allowance for Doubtful Accounts (Detail) link:presentationLink link:calculationLink link:definitionLink 2417409 - Disclosure - Composition of Certain Financial Statement Items - Inventory (Detail) link:presentationLink link:calculationLink link:definitionLink 2118105 - Disclosure - Fair Value Measurements link:presentationLink link:calculationLink link:definitionLink 2319304 - Disclosure - Fair Value Measurements (Tables) link:presentationLink link:calculationLink link:definitionLink 2420410 - Disclosure - Fair Value Measurements - Financial Assets and Liabilities Measured at Fair Value on Recurring Basis (Detail) link:presentationLink link:calculationLink link:definitionLink 2421411 - Disclosure - Fair Value Measurements - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 2422412 - Disclosure - Fair Value Measurements - Assumptions Used to Estimate Fair Values of Common Stock Warrants (Detail) link:presentationLink link:calculationLink link:definitionLink 2423413 - Disclosure - Fair Value Measurements - Changes in Fair Value of Total Level 3 Financial Assets (Detail) link:presentationLink link:calculationLink link:definitionLink 2124106 - Disclosure - Leases link:presentationLink link:calculationLink link:definitionLink 2325305 - Disclosure - Leases (Tables) link:presentationLink link:calculationLink link:definitionLink 2426414 - Disclosure - Leases - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 2427415 - Disclosure - Leases - Lease Cost, Lease Term Discount Rate ,Operating Leases (Details) link:presentationLink link:calculationLink link:definitionLink 2428416 - Disclosure - Leases - Future Minimum Payments Under Non-cancellable Operating Leases (Details) link:presentationLink link:calculationLink link:definitionLink 2428416 - Disclosure - Leases - Future Minimum Payments Under Non-cancellable Operating Leases (Details) link:presentationLink link:calculationLink link:definitionLink 2129107 - Disclosure - Debt link:presentationLink link:calculationLink link:definitionLink 2330306 - Disclosure - Debt (Tables) link:presentationLink link:calculationLink link:definitionLink 2431417 - Disclosure - Debt - Convertible Senior Notes Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 2432418 - Disclosure - Debt - Components of Convertible Note (Details) link:presentationLink link:calculationLink link:definitionLink 2433419 - Disclosure - Debt - Interest Expense Recognized (Details) link:presentationLink link:calculationLink link:definitionLink 2134108 - Disclosure - Stockholders' Equity link:presentationLink link:calculationLink link:definitionLink 2335307 - Disclosure - Stockholders' Equity (Tables) link:presentationLink link:calculationLink link:definitionLink 2436420 - Disclosure - Stockholders' Equity -Shares of Common Stock Reserved for Future Issuance (Detail) link:presentationLink link:calculationLink link:definitionLink 2437421 - Disclosure - Stockholders' Equity - Common Stock Warrants (Details) link:presentationLink link:calculationLink link:definitionLink 2438422 - Disclosure - Stockholders' Equity - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 2439423 - Disclosure - Stockholders' Equity - Assumptions Used in Black-Scholes Option-Pricing Model (Detail) link:presentationLink link:calculationLink link:definitionLink 2440424 - Disclosure - Stockholders' Equity - Restricted Stock Units (RSUs) (Detail) link:presentationLink link:calculationLink link:definitionLink 2441425 - Disclosure - Stockholders' Equity - Allocation of Stock-Based Compensation Expense (Detail) link:presentationLink link:calculationLink link:definitionLink 2142109 - Disclosure - Employee Benefits link:presentationLink link:calculationLink link:definitionLink 2443426 - Disclosure - Employee-Benefits - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 2144110 - Disclosure - Income Taxes link:presentationLink link:calculationLink link:definitionLink 2445427 - Disclosure - Income Taxes - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 2146111 - Disclosure - Business Segment and Geographic Information link:presentationLink link:calculationLink link:definitionLink 2347308 - Disclosure - Business Segment and Geographic Information (Tables) link:presentationLink link:calculationLink link:definitionLink 2448428 - Disclosure - Business Segment and Geographic Information - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 2449429 - Disclosure - Business Segment and Geographic Information - Geographical Markets (Detail) link:presentationLink link:calculationLink link:definitionLink 2150112 - Disclosure - Commitments and Contingencies link:presentationLink link:calculationLink link:definitionLink 2451430 - Disclosure - Commitments and Contingencies (Detail) link:presentationLink link:calculationLink link:definitionLink