Annual report pursuant to Section 13 and 15(d)

Certain Balance Sheet Items - Accrued Liabilities (Detail)

v3.6.0.2
Certain Balance Sheet Items - Accrued Liabilities (Detail) - USD ($)
$ in Thousands
Dec. 31, 2016
Dec. 31, 2015
Statement of Financial Position [Abstract]    
Accrued compensation $ 1,839 $ 1,010
Accrued pre-clinical and clinical trial expenses 1,623 2,015
Accrued professional fees 982 283
Other accruals 57 28
Total accrued liabilities $ 4,501 $ 3,336