00100 - Statement - Consolidated Balance Sheetslink:presentationLinklink:calculationLinklink:definitionLink00200 - Statement - Consolidated Statements Of Operations And Comprehensive Losslink:presentationLinklink:calculationLinklink:definitionLink00400 - Statement - Consolidated Statements Of Cash Flowslink:presentationLinklink:calculationLinklink:definitionLink40302 - Disclosure - Investments And Fair Value Of Financial Instruments (Schedule Of Available-For-Sale Securities) (Details)link:presentationLinklink:calculationLinklink:definitionLink40303 - Disclosure - Investments And Fair Value Of Financial Instruments (Schedule Of Contractual Maturities Of Investments) (Details)link:presentationLinklink:calculationLinklink:definitionLink40304 - Disclosure - Investments And Fair Value Of Financial Instruments (Fair Value Of Financial Assets Measured On A Recurring Basis) (Details)link:presentationLinklink:calculationLinklink:definitionLink40402 - Disclosure - Balance Sheet Components (Schedule Of Inventory) (Details)link:presentationLinklink:calculationLinklink:definitionLink40403 - Disclosure - Balance Sheet Components (Schedule Of Property And Equipment, Net) (Details)link:presentationLinklink:calculationLinklink:definitionLink40404 - Disclosure - Balance Sheet Components (Schedule Of Intangible Assets, Net) (Details)link:presentationLinklink:calculationLinklink:definitionLink40405 - Disclosure - Accrued Expenses (Schedule Of Accrued Expenses) (Details1)link:presentationLinklink:calculationLinklink:definitionLink40803 - Disclosure - Commitments And Contingencies (Schedule Of Future Minimum Lease Payments) (Details) (Alternate)link:presentationLinklink:calculationLinklink:definitionLink41102 - Disclosure - Income Taxes (Income (Loss) Before Income Taxes) (Details)link:presentationLinklink:calculationLinklink:definitionLink41103 - Disclosure - Income Taxes (Components of Income Tax Expense (Benefit)) (Details)link:presentationLinklink:calculationLinklink:definitionLink41104 - Disclosure - Income Taxes (Reconcilement Of Tax Rates) (Details)link:presentationLinklink:calculationLinklink:definitionLink41105 - Disclosure - Income Taxes (Components Of Deferred Tax Assets) (Details)link:presentationLinklink:calculationLinklink:definitionLink41302 - Disclosure - Commitments And Contingencies (Schedule Of Maturity Lease Payments) (Details)link:presentationLinklink:calculationLinklink:definitionLink41303 - Disclosure - Commitments And Contingencies (Schedule Of Information Related To Right-Of-Use Assets And Lease Liabilities) (Details)link:presentationLinklink:calculationLinklink:definitionLink00090 - Document - Document And Entity Informationlink:presentationLinklink:calculationLinklink:definitionLink00105 - Statement - Consolidated Balance Sheets (Parenthetical)link:presentationLinklink:calculationLinklink:definitionLink00300 - Statement - Consolidated Statements of Stockholders' Equitylink:presentationLinklink:calculationLinklink:definitionLink00305 - Statement - Consolidated Statements of Stockholders' Equity (Parenthetical)link:presentationLinklink:calculationLinklink:definitionLink10101 - Disclosure - Description Of The Businesslink:presentationLinklink:calculationLinklink:definitionLink10201 - Disclosure - Summary Of Significant Accounting Policieslink:presentationLinklink:calculationLinklink:definitionLink10301 - Disclosure - Investments And Fair Value Of Financial Instrumentslink:presentationLinklink:calculationLinklink:definitionLink10401 - Disclosure - Balance Sheet Componentslink:presentationLinklink:calculationLinklink:definitionLink10501 - Disclosure - Goodwilllink:presentationLinklink:calculationLinklink:definitionLink10601 - Disclosure - Stockholders' Equity And Stock-Based Compensationlink:presentationLinklink:calculationLinklink:definitionLink10701 - Disclosure - Research Grants And Agreementslink:presentationLinklink:calculationLinklink:definitionLink11001 - Disclosure - Segment Reportinglink:presentationLinklink:calculationLinklink:definitionLink11101 - Disclosure - Income Taxeslink:presentationLinklink:calculationLinklink:definitionLink11201 - Disclosure - Related Party Transactionslink:presentationLinklink:calculationLinklink:definitionLink11301 - Disclosure - Commitments And Contingencieslink:presentationLinklink:calculationLinklink:definitionLink11401 - Disclosure - Employee Benefit Planslink:presentationLinklink:calculationLinklink:definitionLink11501 - Disclosure - Supplementary Financial Informationlink:presentationLinklink:calculationLinklink:definitionLink20202 - Disclosure - Summary Of Significant Accounting Policies (Policy)link:presentationLinklink:calculationLinklink:definitionLink30203 - Disclosure - Summary Of Significant Accounting Policies (Tables)link:presentationLinklink:calculationLinklink:definitionLink30303 - Disclosure - Investments And Fair Value Of Financial Instruments (Tables)link:presentationLinklink:calculationLinklink:definitionLink30403 - Disclosure - Balance Sheet Components (Tables)link:presentationLinklink:calculationLinklink:definitionLink30603 - Disclosure - Stockholders' Equity And Stock-Based Compensation (Tables)link:presentationLinklink:calculationLinklink:definitionLink31003 - Disclosure - Segment Reporting (Tables)link:presentationLinklink:calculationLinklink:definitionLink31103 - Disclosure - Income Taxes (Tables)link:presentationLinklink:calculationLinklink:definitionLink31303 - Disclosure - Commitments And Contingencies (Tables)link:presentationLinklink:calculationLinklink:definitionLink40201 - Disclosure - Summary Of Significant Accounting Policies (Narrative) (Details)link:presentationLinklink:calculationLinklink:definitionLink40203 - Disclosure - Summary Of Significant Accounting Policies (Anti-Dilutive Shares Excluded From Computation Of Diluted Net Loss Per Share) (Details)link:presentationLinklink:calculationLinklink:definitionLink40301 - Disclosure - Investments And Fair Value Of Financial Instruments (Narrative) (Details)link:presentationLinklink:calculationLinklink:definitionLink40401 - Disclosure - Balance Sheet Components (Narrative) (Details)link:presentationLinklink:calculationLinklink:definitionLink40405 - Disclosure - Balance Sheet Components (Schedule Of Amortization Of Intangible Assets) (Details)link:presentationLinklink:calculationLinklink:definitionLink40406 - Disclosure - Balance Sheet Components (Schedule Of Accrued Expenses) (Details)link:presentationLinklink:calculationLinklink:definitionLink40501 - Disclosure - Goodwill (Narrative) (Details)link:presentationLinklink:calculationLinklink:definitionLink40601 - Disclosure - Stockholders' Equity And Stock-Based Compensation (Narrative) (Details)link:presentationLinklink:calculationLinklink:definitionLink40602 - Disclosure - Stockholders' Equity And Stock-Based Compensation (Summary Of Stock Warrant Activity) (Details)link:presentationLinklink:calculationLinklink:definitionLink40603 - Disclosure - Stockholders' Equity And Stock-Based Compensation (Summary Of Stock Option Activity) (Details)link:presentationLinklink:calculationLinklink:definitionLink40604 - Disclosure - Stockholders' Equity And Stock-Based Compensation (Summary Of Time-Based Stock Option Activity) (Details)link:presentationLinklink:calculationLinklink:definitionLink40605 - Disclosure - Stockholders' Equity And Stock-Based Compensation (Summary Of Performance Option Activity) (Details)link:presentationLinklink:calculationLinklink:definitionLink40606 - Disclosure - Stockholders' Equity And Stock-Based Compensation (Schedule Of Fair Value Of Employee Stock Options) (Details)link:presentationLinklink:calculationLinklink:definitionLink40607 - Disclosure - Stockholders' Equity And Stock-Based Compensation (Summary Of Stock-Based Compensation Expense) (Details)link:presentationLinklink:calculationLinklink:definitionLink40608 - Disclosure - Stockholders' Equity And Stock-Based Compensation (Summary Of Stock-Based Compensation Expense By Type) (Details)link:presentationLinklink:calculationLinklink:definitionLink40701 - Disclosure - Research Grants And Agreements (Narrative) (Details)link:presentationLinklink:calculationLinklink:definitionLink40801 - Disclosure - Controlled Launch (Narrative) (Details)link:presentationLinklink:calculationLinklink:definitionLink40901 - Disclosure - Revenue (Details)link:presentationLinklink:calculationLinklink:definitionLink41001 - Disclosure - Segment Reporting (Details)link:presentationLinklink:calculationLinklink:definitionLink41101 - Disclosure - Income Taxes (Narrative) (Details)link:presentationLinklink:calculationLinklink:definitionLink41105 - Disclosure - Income Taxes (Reconciliation Of Unrecognized Tax Benefit Accounts) (Details)link:presentationLinklink:calculationLinklink:definitionLink41201 - Disclosure - Related Party Transactions (Narrative) (Details)link:presentationLinklink:calculationLinklink:definitionLink41301 - Disclosure - Commitments And Contingencies (Narrative) (Details)link:presentationLinklink:calculationLinklink:definitionLink41401 - Disclosure - Employee Benefit Plans (Narrative) (Details)link:presentationLinklink:calculationLinklink:definitionLink10801 - Disclosure - Controlled Launchlink:presentationLinklink:calculationLinklink:definitionLink10901 - Disclosure - Revenuelink:presentationLinklink:calculationLinklink:definitionLink40202 - Disclosure - Summary Of Significant Accounting Policies (Schedule Of Warranty Accrual Activity) (Details)link:presentationLinklink:calculationLinklink:definitionLink