Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation - Schedule Of Allocation of Share-Based Compensation Costs (Details)

v3.19.3
Stock-Based Compensation - Schedule Of Allocation of Share-Based Compensation Costs (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Allocated share-based compensation expense $ 219 $ 329 $ 644 $ 767
Stock options        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Allocated share-based compensation expense 85 105 255 225
Restricted stock awards and restricted stock units        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Allocated share-based compensation expense 134 140 384 458
Performance stock units        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Allocated share-based compensation expense 0 84 5 84
Cost of revenues        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Allocated share-based compensation expense 6 8 20 26
Operating expenses        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Allocated share-based compensation expense $ 213 $ 321 $ 624 $ 741