Quarterly report pursuant to Section 13 or 15(d)

Balance Sheet Components - Components of Accrued Liabilities (Detail)

v3.19.3
Balance Sheet Components - Components of Accrued Liabilities (Detail) - USD ($)
$ in Thousands
Sep. 30, 2019
Dec. 31, 2018
Accrued Liabilities Current [Abstract]    
General and administrative $ 619 $ 297
Clinical trial related costs 1,696 598
Non-clinical research and manufacturing operations 4,796 2,644
Payroll related 1,950 1,787
Other accrued expenses 44 31
Total Accrued liabilities $ 9,105 $ 5,357