Quarterly report pursuant to Section 13 or 15(d)

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

v3.5.0.2
Stock-Based Compensation (Schedule Of Allocation of Share-Based Compensation Costs) (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share-based Compensation Arrangement by Share-based Payment Award, Cost Charged Against Income $ 295 $ 362 $ 1,035 $ 1,430
Stock options        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share-based Compensation Arrangement by Share-based Payment Award, Cost Charged Against Income 94 130 398 503
Restricted stock awards and restricted stock units        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share-based Compensation Arrangement by Share-based Payment Award, Cost Charged Against Income 201 232 637 927
Cost of revenues        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share-based Compensation Arrangement by Share-based Payment Award, Cost Charged Against Income 9 40 27 115
Operating expenses        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share-based Compensation Arrangement by Share-based Payment Award, Cost Charged Against Income $ 286 $ 322 $ 1,008 $ 1,315