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Stock Plans And Stock Based Compensation: Schedule of Unrecognized Compensation Expense for stock-based awards (Details) - Stock Options
$ in Thousands
Dec. 31, 2015
USD ($)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Compensation expense yet to be recognized for stock-based awards that have been awarded but not vested $ 470
Remainder of 2015  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Compensation expense yet to be recognized for stock-based awards that have been awarded but not vested 115
2016  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Compensation expense yet to be recognized for stock-based awards that have been awarded but not vested 146
2017  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Compensation expense yet to be recognized for stock-based awards that have been awarded but not vested 115
2018  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Compensation expense yet to be recognized for stock-based awards that have been awarded but not vested 58
2019  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Compensation expense yet to be recognized for stock-based awards that have been awarded but not vested $ 36