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Organization and Basis of Presentation link:presentationLink link:calculationLink link:definitionLink 0000010 - Disclosure - Summary of Significant Accounting Policies link:presentationLink link:calculationLink link:definitionLink 0000011 - Disclosure - Short-Term Investments link:presentationLink link:calculationLink link:definitionLink 0000012 - Disclosure - Composition of Certain Financial Statement Items link:presentationLink link:calculationLink link:definitionLink 0000013 - Disclosure - Fair Value Measurements link:presentationLink link:calculationLink link:definitionLink 0000014 - Disclosure - Leases link:presentationLink link:calculationLink link:definitionLink 0000015 - Disclosure - Debt link:presentationLink link:calculationLink link:definitionLink 0000016 - Disclosure - Stockholders' Equity link:presentationLink link:calculationLink link:definitionLink 0000017 - Disclosure - Employee Benefits link:presentationLink link:calculationLink link:definitionLink 0000018 - Disclosure - Income Taxes link:presentationLink link:calculationLink link:definitionLink 0000019 - Disclosure - Business Segment and Geographic Information link:presentationLink link:calculationLink link:definitionLink 0000020 - Disclosure - Acquisitions link:presentationLink link:calculationLink link:definitionLink 0000021 - Disclosure - Commitments and Contingencies link:presentationLink link:calculationLink link:definitionLink 0000022 - Disclosure - Fourth Quarter Financial Data (Unaudited) link:presentationLink link:calculationLink link:definitionLink 0000023 - Disclosure - Subsequent Event link:presentationLink link:calculationLink link:definitionLink 0000024 - Disclosure - Organization and Basis of Presentation (Policies) link:presentationLink link:calculationLink link:definitionLink 0000025 - Disclosure - Summary of Significant Accounting Policies (Tables) link:presentationLink link:calculationLink link:definitionLink 0000026 - Disclosure - Short-Term Investments (Tables) link:presentationLink link:calculationLink link:definitionLink 0000027 - Disclosure - Composition of Certain Financial Statement Items (Tables) link:presentationLink link:calculationLink link:definitionLink 0000028 - Disclosure - Fair Value Measurements (Tables) link:presentationLink link:calculationLink link:definitionLink 0000029 - Disclosure - Leases (Tables) link:presentationLink link:calculationLink link:definitionLink 0000030 - Disclosure - Debt (Tables) link:presentationLink link:calculationLink link:definitionLink 0000031 - Disclosure - Stockholders' Equity (Tables) link:presentationLink link:calculationLink link:definitionLink 0000032 - Disclosure - Income Taxes (Tables) link:presentationLink link:calculationLink link:definitionLink 0000033 - Disclosure - Business Segment and Geographic Information (Tables) link:presentationLink link:calculationLink link:definitionLink 0000034 - Disclosure - Fourth Quarter Financial Data (Unaudited) (Tables) link:presentationLink link:calculationLink link:definitionLink 0000035 - Disclosure - Organization and Basis of Presentation (Detail) link:presentationLink link:calculationLink link:definitionLink 0000036 - Disclosure - Summary of Significant Accounting Policies - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 0000037 - Disclosure - Summary of Significant Accounting Policies - Customers Accounted for 10% or More (Detail) link:presentationLink link:calculationLink link:definitionLink 0000038 - Disclosure - Summary of Significant Accounting Policies - Reconciliation of Change in Estimated Warranty Liabilities (Detail) link:presentationLink link:calculationLink link:definitionLink 0000039 - Disclosure - Summary of Significant Accounting Policies - Numerator and Denominator of the Basic and Diluted Net Income (Loss) Per Share Computations (Details) link:presentationLink link:calculationLink link:definitionLink 0000040 - Disclosure - Summary of Significant Accounting Policies - Anti-Dilutive Securities (Detail) link:presentationLink link:calculationLink link:definitionLink 0000041 - Disclosure - Short-Term Investments - Estimated Fair Value of Short-Term Investments (Detail) link:presentationLink link:calculationLink link:definitionLink 0000042 - Disclosure - Short-Term Investments - Contractual Maturities of Available - For- Sale Debt Securities (Details) link:presentationLink link:calculationLink link:definitionLink 0000043 - Disclosure - Composition of Certain Financial Statement Items - Accounts Receivable (Details) link:presentationLink link:calculationLink link:definitionLink 0000044 - Disclosure - Composition of Certain Financial Statement Items - Reconciliation of Change in Estimated Allowance for Doubtful Accounts (Detail) link:presentationLink link:calculationLink link:definitionLink 0000045 - Disclosure - Composition of Certain Financial Statement Items - Inventory (Detail) link:presentationLink link:calculationLink link:definitionLink 0000046 - Disclosure - Composition of Certain Financial Statement Items - Summary of Property and Equipment (Detail) link:presentationLink link:calculationLink link:definitionLink 0000047 - Disclosure - Composition of Certain Financial Statement Items - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 0000048 - Disclosure - Composition of Certain Financial Statement Items - Intangible Assets Subject to Amortization (Details) link:presentationLink link:calculationLink link:definitionLink 0000049 - Disclosure - Fair Value Measurements - Financial Assets and Liabilities Measured at Fair Value on Recurring Basis (Detail) link:presentationLink link:calculationLink link:definitionLink 0000050 - Disclosure - Fair Value Measurements - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 0000051 - Disclosure - Fair Value Measurements - Assumptions Used to Estimate Fair Values of Common Stock Warrants (Detail) link:presentationLink link:calculationLink link:definitionLink 0000052 - Disclosure - Fair Value Measurements - Changes in Fair Value of Total Level 3 Financial Assets (Detail) link:presentationLink link:calculationLink link:definitionLink 0000053 - Disclosure - Leases - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 0000054 - Disclosure - Leases - Lease Cost, Lease Term Discount Rate, Operating Leases (Details) link:presentationLink link:calculationLink link:definitionLink 0000055 - Disclosure - Leases - Future Minimum Payments Under Non-cancellable Operating Leases (Details) link:presentationLink link:calculationLink link:definitionLink 0000055 - Disclosure - Leases - Future Minimum Payments Under Non-cancellable Operating Leases (Details) link:presentationLink link:calculationLink link:definitionLink 0000056 - Disclosure - Debt - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 0000057 - Disclosure - Debt - Components of Convertible Note (Details) link:presentationLink link:calculationLink link:definitionLink 0000058 - Disclosure - Debt - Interest Expense Recognized (Details) link:presentationLink link:calculationLink link:definitionLink 0000059 - Disclosure - Debt - Line of Credit (Details) link:presentationLink link:calculationLink link:definitionLink 0000060 - Disclosure - Stockholders' Equity -Shares of Common Stock Reserved for Future Issuance (Detail) link:presentationLink link:calculationLink link:definitionLink 0000061 - Disclosure - Stockholders' Equity - Common Stock Warrants (Details) link:presentationLink link:calculationLink link:definitionLink 0000062 - Disclosure - Stockholders' Equity - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 0000063 - Disclosure - Stockholders' Equity - Summary of Stock Option Activities for 2006 Plan and 2013 Plan (Detail) link:presentationLink link:calculationLink link:definitionLink 0000064 - Disclosure - Stockholders' Equity - Restricted Stock Units (RSUs) (Detail) link:presentationLink link:calculationLink link:definitionLink 0000065 - Disclosure - Stockholders' Equity - Allocation of Stock-Based Compensation Expense (Detail) link:presentationLink link:calculationLink link:definitionLink 0000066 - Disclosure - Stockholders' Equity - Assumptions Used in Black-Scholes Option-Pricing Model (Detail) link:presentationLink link:calculationLink link:definitionLink 0000067 - Disclosure - Employee-Benefits - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 0000068 - Disclosure - Income Taxes - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 0000069 - Disclosure - Income Taxes - Loss Before Provision for Income Taxes (Details) link:presentationLink link:calculationLink link:definitionLink 0000070 - Disclosure - Income Taxes - Schedule of Components of Income Tax (Details) link:presentationLink link:calculationLink link:definitionLink 0000071 - Disclosure - Income Taxes - Income Tax Expense (Benefit) (Details) link:presentationLink link:calculationLink link:definitionLink 0000072 - Disclosure - Income Taxes - Schedule of Deferred Tax Assets and Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 0000073 - Disclosure - Income Taxes - Schedule of Unrecognized Tax Benefits (Detail) link:presentationLink link:calculationLink link:definitionLink 0000074 - Disclosure - Business Segment and Geographic Information - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 0000075 - Disclosure - Business Segment and Geographic Information - Geographical Markets (Detail) link:presentationLink link:calculationLink link:definitionLink 0000076 - Disclosure - Acquisitions (Details) link:presentationLink link:calculationLink link:definitionLink 0000077 - Disclosure - Commitments and Contingencies (Detail) link:presentationLink link:calculationLink link:definitionLink 0000078 - Disclosure - Fourth Quarter Financial Data (Unaudited) (Detail) link:presentationLink link:calculationLink link:definitionLink 0000079 - Disclosure - Fourth Quarter Financial Data (Unaudited) - Basic and Diluted Net Income (Loss) Per Share (Detail) link:presentationLink link:calculationLink link:definitionLink 0000080 - Disclosure - Subsequent Event - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink