Quarterly report pursuant to Section 13 or 15(d)

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

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Stock-Based Compensation (Schedule Of Allocation of Share-Based Compensation Costs) (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Sep. 30, 2015
Sep. 30, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Total stock-based compensation $ 362 $ 497 $ 1,430 $ 1,281
Stock options        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Total stock-based compensation 130 196 503 611
Restricted stock awards and restricted stock units        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Total stock-based compensation 232 301 927 670
Cost of revenues        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Total stock-based compensation 40 4 115 23
Operating expenses        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Total stock-based compensation $ 322 $ 493 $ 1,315 $ 1,258