Quarterly report pursuant to Section 13 or 15(d)

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

v3.19.2
Stock-Based Compensation - Schedule Of Allocation of Share-Based Compensation Costs (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Allocated share-based compensation expense $ 194 $ 228 $ 425 $ 438
Stock options        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Allocated share-based compensation expense 76 73 170 120
Restricted stock awards and restricted stock units        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Allocated share-based compensation expense 118 155 250 318
Performance stock units        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Allocated share-based compensation expense 0 0 5 0
Cost of revenues        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Allocated share-based compensation expense 6 8 14 18
Operating expenses        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Allocated share-based compensation expense $ 188 $ 220 $ 411 $ 420