Quarterly report pursuant to Section 13 or 15(d)

Certain Balance Sheet Items - Accrued Liabilities (Detail)

v3.5.0.2
Certain Balance Sheet Items - Accrued Liabilities (Detail) - USD ($)
$ in Thousands
Jun. 30, 2016
Dec. 31, 2015
Statement of Financial Position [Abstract]    
Accrued compensation $ 1,055 $ 1,010
Accrued pre-clinical and clinical trial expenses 1,510 2,015
Accrued professional fees 266 283
Other accruals 66 28
Total accrued liabilities $ 2,897 $ 3,336