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Stock Based Compensation Table of Share-based Compensation Expense (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, Compensation Cost [Line Items]        
Income tax benefit $ (236) $ (67) $ (599) $ (139)
Net stock-based compensation expense 432 124 1,097 256
Payroll and employee commissions        
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]        
Allocated Share-based Compensation Expense 633 161 1,597 285
Professional fees expense        
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]        
Allocated Share-based Compensation Expense [1] $ 35 $ 30 $ 99 $ 110
[1] Professional fees consist of the value of restricted stock units and options granted to persons providing services to the Company.