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Disclosure - Balance Sheet Components (Components of Property and Equipment, Net) (Details)link:presentationLinklink:calculationLinklink:definitionLink40504 - Disclosure - Balance Sheet Components (Schedule of Accrued Expenses) (Details)link:presentationLinklink:calculationLinklink:definitionLink40505 - Disclosure - Balance Sheet Components (Schedule of Other Liabilities, Current) (Details)link:presentationLinklink:calculationLinklink:definitionLink40602 - Disclosure - Commitments and Contingencies (Schedule of Amount, Timing and Uncertainty of Cash Flows from Operating Leases) (Details)link:presentationLinklink:calculationLinklink:definitionLink40602 - Disclosure - Commitments and Contingencies (Schedule of Amount, Timing and Uncertainty of Cash Flows from Operating Leases) (Details) (Alt Calc)link:presentationLinklink:calculationLinklink:definitionLink40702 - Disclosure - Income Taxes (Reconciliation of Federal Income Tax Rate) (Details)link:presentationLinklink:calculationLinklink:definitionLink40703 - Disclosure - Income Taxes (Reconciliation of Deferred Tax Assets and Liabilities) (Details)link:presentationLinklink:calculationLinklink:definitionLink40901 - Disclosure - Net Income (Loss) Per Share (Computation Of Basic And Diluted Net Loss Per Share) (Details)link:presentationLinklink:calculationLinklink:definitionLink00090 - Document - Document And Entity Informationlink:presentationLinklink:calculationLinklink:definitionLink00105 - Statement - Consolidated Balance Sheets (Parenthetical)link:presentationLinklink:calculationLinklink:definitionLink00400 - Statement - Consolidated Statements of Stockholders' Equitylink:presentationLinklink:calculationLinklink:definitionLink10101 - Disclosure - Overviewlink:presentationLinklink:calculationLinklink:definitionLink10201 - Disclosure - Termination of Merger with Illuminalink:presentationLinklink:calculationLinklink:definitionLink10301 - Disclosure - Summary of Significant Accounting Policieslink:presentationLinklink:calculationLinklink:definitionLink10401 - 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Disclosure - Balance Sheet Components (Tables)link:presentationLinklink:calculationLinklink:definitionLink30603 - Disclosure - Commitments and Contingencies (Tables)link:presentationLinklink:calculationLinklink:definitionLink30703 - Disclosure - Income Taxes (Tables)link:presentationLinklink:calculationLinklink:definitionLink30803 - Disclosure - Stockholders' Equity (Tables)link:presentationLinklink:calculationLinklink:definitionLink30903 - Disclosure - Net Income (Loss) Per Share (Tables)link:presentationLinklink:calculationLinklink:definitionLink31003 - Disclosure - Segment And Geographic Information (Tables)link:presentationLinklink:calculationLinklink:definitionLink40201 - Disclosure - Termination of Merger with Illumina (Narrative) (Details)link:presentationLinklink:calculationLinklink:definitionLink40301 - Disclosure - Summary of Significant Accounting Policies (Narrative) (Details)link:presentationLinklink:calculationLinklink:definitionLink40401 - Disclosure - Financial Instruments (Narrative) (Details)link:presentationLinklink:calculationLinklink:definitionLink40501 - Disclosure - Balance Sheet Components (Narrative) (Details)link:presentationLinklink:calculationLinklink:definitionLink40601 - Disclosure - Commitments and Contingencies (Narrative) (Details)link:presentationLinklink:calculationLinklink:definitionLink40701 - Disclosure - Income Taxes (Narrative) (Details)link:presentationLinklink:calculationLinklink:definitionLink40704 - Disclosure - Income Taxes (Reconciliation of Unrecognized Tax Benefit Accounts) (Details)link:presentationLinklink:calculationLinklink:definitionLink40801 - Disclosure - Stockholders' Equity (Narrative) (Details)link:presentationLinklink:calculationLinklink:definitionLink40802 - Disclosure - Stockholders' Equity (Summary of Stock Option Activity) (Details)link:presentationLinklink:calculationLinklink:definitionLink40803 - Disclosure - Stockholders' Equity (Reconciliation of Outstanding and Exercisable Stock Options) (Details)link:presentationLinklink:calculationLinklink:definitionLink40804 - Disclosure - Stockholders' Equity (Summary of Time-Based RSUs Activity) (Details)link:presentationLinklink:calculationLinklink:definitionLink40805 - Disclosure - Stockholders' Equity (Summary of Performance-Based RSUs Activity) (Details)link:presentationLinklink:calculationLinklink:definitionLink40806 - Disclosure - Stockholders' Equity (Schedule of Stock-Based Compensation Expense) (Details)link:presentationLinklink:calculationLinklink:definitionLink40807 - Disclosure - Stockholders' Equity (Schedule of Fair Value of Employee Stock Options) (Details)link:presentationLinklink:calculationLinklink:definitionLink40808 - Disclosure - Stockholders' Equity (Schedule of Fair Value of Employee Stock Purchase Plan) (Details)link:presentationLinklink:calculationLinklink:definitionLink40902 - Disclosure - Net Income (Loss) Per Share (Antidilutive Shares Excluded From Computation Of Diluted Net Loss Per Share) (Details)link:presentationLinklink:calculationLinklink:definitionLink41001 - Disclosure - Segment And Geographic Information (Narrative) (Details)link:presentationLinklink:calculationLinklink:definitionLink41002 - Disclosure - Segment And Geographic Information (Schedule of Revenue by Geographic Location) (Details)link:presentationLinklink:calculationLinklink:definitionLink41003 - Disclosure - Segment And Geographic Information (Summary of Revenue by Category) (Details)link:presentationLinklink:calculationLinklink:definitionLink41101 - Disclosure - Subsequent Events (Narrative) (Details)link:presentationLinklink:calculationLinklink:definitionLink