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 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Stock Based Compensation        
Stock-based compensation $ 1,933 $ 2,523 $ 3,734 $ 5,139
Operating expense        
Stock Based Compensation        
Stock-based compensation 12 11 13 48
Selling, general and administrative        
Stock Based Compensation        
Stock-based compensation $ 1,921 $ 2,512 $ 3,721 $ 5,091