XML 43 R31.htm IDEA: XBRL DOCUMENT v3.10.0.1
Stockholder's Equity (Deficit) - Stock-based Compensation Expense Allocation (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2018
Sep. 30, 2017
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]        
Allocated stock-based compensation expense $ 1,482 $ 226 $ 5,111 $ 472
General and administrative        
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]        
Allocated stock-based compensation expense 1,160 215 4,083 447
Research and development        
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]        
Allocated stock-based compensation expense $ 322 $ 11 $ 1,028 $ 25