Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation - Compensation expense (Details)

v3.20.2
Stock-Based Compensation - Compensation expense (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Stock Based Compensation        
Stock-based compensation $ 2,002 $ 2,531 $ 5,736 $ 7,670
Operating expense        
Stock Based Compensation        
Stock-based compensation 10 12 23 60
Selling, general and administrative        
Stock Based Compensation        
Stock-based compensation $ 1,992 $ 2,519 $ 5,713 $ 7,610