Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation (Details)

v3.19.3
Stock-Based Compensation (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Stock Based Compensation        
Stock-based compensation $ 2,531 $ 1,397 $ 7,670 $ 4,198
Operating expense        
Stock Based Compensation        
Stock-based compensation 12 15 60 42
Selling, general and administrative        
Stock Based Compensation        
Stock-based compensation $ 2,519 $ 1,382 $ 7,610 $ 4,156