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Disclosure - Organization and Basis of Presentation link:presentationLink link:definitionLink link:calculationLink 010 - Disclosure - Significant Accounting Policies link:presentationLink link:definitionLink link:calculationLink 011 - Disclosure - Supplemental Financial Data link:presentationLink link:definitionLink link:calculationLink 012 - Disclosure - Revenues link:presentationLink link:definitionLink link:calculationLink 013 - Disclosure - Collaborative Arrangements and Licensing Agreements link:presentationLink link:definitionLink link:calculationLink 014 - Disclosure - Basic and Diluted Net Income (Loss) Per Share link:presentationLink link:definitionLink link:calculationLink 015 - Disclosure - Investments link:presentationLink link:definitionLink link:calculationLink 016 - Disclosure - Fair Value Measurements link:presentationLink link:definitionLink link:calculationLink 017 - Disclosure - Stock-based Compensation Expense link:presentationLink link:definitionLink link:calculationLink 018 - 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