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Stock Options and Stock-Based Compensation - Narrative (Details) - USD ($)
$ in Thousands
6 Months Ended 12 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Dec. 31, 1995
Dec. 31, 2010
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Shares granted during the period 86,336      
Total share based compensation cost $ 1,079      
Allocated Share-based Compensation Expense 148 $ 205    
Share-based compensation expense not yet recognized $ 493 $ 638    
Shares granted, net of forfeitures (shares) 0   600,000  
Percentage of options vesting two years 50.00%      
Percentage of options vesting five years 50.00%      
Plan 2010        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Capital shares reserved for future issuance (shares)       400,000
First Vesting Period        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Vesting Term (In Years) 2 years      
Second Vesting Period        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Vesting Term (In Years) 5 years      
Restricted Stock | Plan 2010        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Shares granted during the period 66,644      
Restricted Stock | First Vesting Period | Plan 2010        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Shares granted during the period 2,156      
Vesting Term (In Years) 1 year