XML 20 R33.htm IDEA: XBRL DOCUMENT v3.3.0.814
Balance Sheet Components - Schedule of Accrued Liabilities (Detail) - USD ($)
$ in Thousands
Sep. 30, 2015
Dec. 31, 2014
Accrued Liabilities Current [Abstract]    
Preclinical and clinical trial accruals $ 24,388 $ 25,418
Payroll and related accruals 11,480 15,608
Professional services 1,764 2,401
Other 4,142 5,558
Total accrued liabilities $ 41,774 $ 48,985