00100 - Statement - Condensed Consolidated Balance Sheets link:presentationLink link:calculationLink link:definitionLink 00200 - Statement - Condensed Consolidated Statements of Operations and Comprehensive Loss link:presentationLink link:calculationLink link:definitionLink 00500 - Statement - Condensed Consolidated Statements of Cash Flows link:presentationLink link:calculationLink link:definitionLink 40202 - Disclosure - Summary of Significant Accounting Policies (Summary of Assets and Liabilities Measured at Fair Value on a Recurring Basis) (Details) link:presentationLink link:calculationLink link:definitionLink 40301 - Disclosure - Cash, Cash Equivalents and Investments (Summary of Cash, Cash Equivalents and Investments) (Details) link:presentationLink link:calculationLink link:definitionLink 40302 - Disclosure - Cash, Cash Equivalents and Investments (Summary of Contractual Maturities of Cash Equivalents and Available-for-Sale Investments) (Details) link:presentationLink link:calculationLink link:definitionLink 40402 - 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Disclosure - Overview link:presentationLink link:calculationLink link:definitionLink 10201 - Disclosure - Summary of Significant Accounting Policies link:presentationLink link:calculationLink link:definitionLink 10301 - Disclosure - Cash, Cash Equivalents and Investments link:presentationLink link:calculationLink link:definitionLink 10401 - Disclosure - Balance Sheet Components link:presentationLink link:calculationLink link:definitionLink 10501 - Disclosure - Notes Payable link:presentationLink link:calculationLink link:definitionLink 10601 - Disclosure - Commitments and Contingencies link:presentationLink link:calculationLink link:definitionLink 10701 - Disclosure - Stockholders' Equity link:presentationLink link:calculationLink link:definitionLink 10801 - Disclosure - Revenue link:presentationLink link:calculationLink link:definitionLink 20202 - Disclosure - Summary of Significant Accounting Policies (Policy) link:presentationLink link:calculationLink link:definitionLink 30203 - Disclosure - 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Disclosure - Summary of Significant Accounting Policies (Estimated Fair Value and Carrying Value of Notes) (Details) link:presentationLink link:calculationLink link:definitionLink 40205 - Disclosure - Summary of Significant Accounting Policies (Anti-Dilutive Shares Excluded from Computation of Diluted Net Loss per Share) (Details) link:presentationLink link:calculationLink link:definitionLink 40501 - Disclosure - Notes Payable (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 40601 - Disclosure - Commitments and Contingencies (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 40701 - Disclosure - Stockholders' Equity (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 40702 - Disclosure - Stockholders' Equity (Summary of Stock Option Activity) (Details) link:presentationLink link:calculationLink link:definitionLink 40704 - Disclosure - Stockholders' Equity (Summary of Time-Based RSUs Activity) (Details) link:presentationLink link:calculationLink link:definitionLink 40705 - Disclosure - Stockholders' Equity (Summary of Performance-Based RSUs Activity) (Details) link:presentationLink link:calculationLink link:definitionLink 40706 - Disclosure - Stockholders' Equity (Schedule of Stock-Based Compensation Expense) (Details) link:presentationLink link:calculationLink link:definitionLink 40707 - Disclosure - Stockholders' Equity (Schedule of Fair Value of Employee Stock Options) (Details) link:presentationLink link:calculationLink link:definitionLink 40708 - Disclosure - Stockholders' Equity (Schedule of Fair Value of Employee Stock Purchase Plan) (Details) link:presentationLink link:calculationLink link:definitionLink 40801 - Disclosure - Revenue (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 40802 - Disclosure - Revenue (Schedule of Revenue by Geographic Location) (Details) link:presentationLink link:calculationLink link:definitionLink 40803 - Disclosure - Revenue (Summary of Revenue by Category) (Details) link:presentationLink link:calculationLink link:definitionLink