Quarterly report pursuant to Section 13 or 15(d)

Stock-based Compensation (Details)

v3.10.0.1
Stock-based Compensation (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2018
Sep. 30, 2017
Stock-based compensation expense related to stock-based awards        
Total stock-based compensation expense $ 2,995 $ 873 $ 5,647 $ 2,928
General and administrative        
Stock-based compensation expense related to stock-based awards        
Total stock-based compensation expense 2,194 591 3,913 1,950
Research and development        
Stock-based compensation expense related to stock-based awards        
Total stock-based compensation expense $ 801 $ 282 $ 1,734 $ 978