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Stock-based Compensation (Details Narrative) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Jun. 30, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Stock vesting period     10 years    
Allocated share-based compensation expense $ 60,000 $ 65,000 $ 221,000 $ 221,000  
Share-based compensation arrangement by share-based payment award, options, vested in period, fair value     237,000 497,000  
Share-based compensation arrangement by share-based payment award, options, exercises in period, total intrinsic value     11,000 1,522,000  
Employee service share-based compensation, nonvested awards, total compensation cost not yet recognized 474,000   $ 474,000    
Employee service share-based compensation, nonvested awards, total compensation cost not yet recognized, period for recognition     2 years 3 months 22 days    
Restricted Stock [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Allocated share-based compensation expense 288,000 $ 401,000 $ 904,000 $ 1,010,000  
Employee service share-based compensation, nonvested awards, total compensation cost not yet recognized 1,906,000   $ 1,906,000    
Employee service share-based compensation, nonvested awards, total compensation cost not yet recognized, period for recognition     2 years 5 months 1 day    
Performance Shares [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Allocated share-based compensation expense 124,000   $ 374,000    
Employee service share-based compensation, nonvested awards, total compensation cost not yet recognized $ 693,000   $ 693,000    
Employee service share-based compensation, nonvested awards, total compensation cost not yet recognized, period for recognition     1 year 3 months 18 days    
Stock Option Plan 1995 [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Share-based compensation arrangement by share-based payment award, number of shares authorized 1,250,000   1,250,000    
Stock Option Plan 1999 [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Share-based compensation arrangement by share-based payment award, number of shares authorized 2,813,000   2,813,000    
Director Option Plan 1999 [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Share-based compensation arrangement by share-based payment award, number of shares authorized 600,000   600,000    
Equity Compensation Plan 2007 [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Share-based compensation arrangement by share-based payment award, number of shares authorized 2,500,000   2,500,000    
2009 Non-Employee Director Equity Compensation [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Share-based compensation arrangement by share-based payment award, number of shares authorized 600,000   600,000    
Equity Compensation Plan 2015 [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Share-based compensation arrangement by share-based payment award, number of shares authorized         1,200,000