Quarterly report pursuant to Section 13 or 15(d)

Balance Sheet Components - Accrued Liabilities (Details)

v3.10.0.1
Balance Sheet Components - Accrued Liabilities (Details) - USD ($)
$ in Thousands
Jun. 30, 2018
Dec. 31, 2017
Organization Consolidation And Presentation Of Financial Statements [Abstract]    
Accrued preclinical and research costs $ 546 $ 108
Accrued clinical costs 64 340
Accrued employee-related costs 688 422
Accrued professional services 635  
Other 74 41
Accrued liabilities $ 2,007 $ 911