XML 47 R37.htm IDEA: XBRL DOCUMENT v3.8.0.1
Balance Sheet Components - Schedule of Accrued Liabilities (Detail) - USD ($)
$ in Thousands
Mar. 31, 2018
Dec. 31, 2017
Accrued Liabilities Current [Abstract]    
Preclinical and clinical trial accruals $ 37,717 $ 32,321
Payroll and related accruals 11,919 18,810
Property taxes and other 3,150 4,201
Professional services 2,520 1,991
Other 7,553 6,458
Total accrued liabilities $ 62,859 $ 63,781