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Disclosure - Commitment and Contingencies - Future Minimum Commitments Due Under Non-Cancelable Operating Leases (Details) link:presentationLink link:calculationLink link:definitionLink 100430 - Disclosure - License and Other Agreements - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 100440 - Disclosure - Fair Value Measurements - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 100450 - Disclosure - Fair Value Measurements - Summary of Assets Measured at Fair Value (Details) link:presentationLink link:calculationLink link:definitionLink 100460 - Disclosure - Net Loss Per Share - Potential Common Stock Equivalents Excluded from Computation of Diluted Net Loss per Share (Details) link:presentationLink link:calculationLink link:definitionLink