XML 96 R53.htm IDEA: XBRL DOCUMENT v3.3.1.900
Balance Sheet Components - Schedule of Accrued Liabilities (Detail) - USD ($)
$ in Thousands
Dec. 31, 2015
Dec. 31, 2014
Accrued Liabilities Current [Abstract]    
Preclinical and clinical trial accruals $ 27,973 $ 25,418
Payroll and related accruals 13,535 15,608
Professional services 1,662 2,401
Other 4,762 5,558
Total accrued liabilities $ 47,932 $ 48,985