0000001 - Document - Cover link:presentationLink link:calculationLink link:definitionLink 9952151 - Statement - Consolidated Balance Sheets link:presentationLink link:calculationLink link:definitionLink 9952152 - Statement - Consolidated Balance Sheets (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 9952153 - Statement - Consolidated Statements of Operations link:presentationLink link:calculationLink link:definitionLink 9952154 - Statement - Consolidated Statements of Comprehensive Loss link:presentationLink link:calculationLink link:definitionLink 9952155 - Statement - Consolidated Statement of Stockholders' Equity link:presentationLink link:calculationLink link:definitionLink 9952156 - Statement - Consolidated Statements of Cash Flows link:presentationLink link:calculationLink link:definitionLink 9952157 - Disclosure - Description of the Company and Basis of Presentation link:presentationLink link:calculationLink link:definitionLink 9952158 - Disclosure - 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Disclosure - Summary of Significant Accounting Policies (Tables) link:presentationLink link:calculationLink link:definitionLink 9955513 - Disclosure - Marketable Securities (Tables) link:presentationLink link:calculationLink link:definitionLink 9955514 - Disclosure - Fair Value Measurements (Tables) link:presentationLink link:calculationLink link:definitionLink 9955515 - Disclosure - Share-Based Compensation (Tables) link:presentationLink link:calculationLink link:definitionLink 9955516 - Disclosure - Net Loss Per Share (Tables) link:presentationLink link:calculationLink link:definitionLink 9955517 - Disclosure - Segment Information (Tables) link:presentationLink link:calculationLink link:definitionLink 9955518 - Disclosure - Description of the Company and Basis of Presentation (Details) link:presentationLink link:calculationLink link:definitionLink 9955519 - Disclosure - Summary of Significant Accounting Policies - Schedule of Revenue Recognition (Details) link:presentationLink link:calculationLink link:definitionLink 9955520 - 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Disclosure - Share-Based Compensation - Stock Option Activity Under Stock Option Plan (Details) link:presentationLink link:calculationLink link:definitionLink 9955532 - Disclosure - Share-Based Compensation - Assumptions Used to Estimate Fair Value of Stock Options Granted (Details) link:presentationLink link:calculationLink link:definitionLink 9955533 - Disclosure - Share-Based Compensation - Summary of Status of Non-Vested Restricted Stock (Details) link:presentationLink link:calculationLink link:definitionLink 9955534 - Disclosure - Share-Based Compensation - Schedule of Stock Based Compensation (Details) link:presentationLink link:calculationLink link:definitionLink 9955534 - Disclosure - Share-Based Compensation - Schedule of Stock Based Compensation (Details) link:presentationLink link:calculationLink link:definitionLink 9955535 - Disclosure - Net Loss Per Share - Components of Basic and Diluted Earnings Per Share (Details) link:presentationLink link:calculationLink link:definitionLink 9955536 - 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