Quarterly report pursuant to Section 13 or 15(d)

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

v3.19.1
Stock-Based Compensation - Schedule Of Allocation of Share-Based Compensation Costs (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Allocated share-based compensation expense $ 231 $ 210
Stock options    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Allocated share-based compensation expense 94 47
Restricted stock awards and restricted stock units    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Allocated share-based compensation expense 132 163
Performance stock units    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Allocated share-based compensation expense 5 0
Cost of revenues    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Allocated share-based compensation expense 8 10
Operating expenses    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Allocated share-based compensation expense $ 223 $ 200