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STOCK-BASED COMPENSATION (Details) - Stock Option Plans [Member] - USD ($)
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Options, Outstanding        
Outstanding at beginning 149,466 269,983 349,983  
Exercised (25,000) (25,000) (55,000)  
Forfeited/Expired (44,217) (95,517) (25,000)  
Outstanding at end 80,249 149,466 269,983 349,983
Vested at end 80,249      
Options, Outstanding, Weighted Average Exercise Price        
Outstanding at beginning $ 10.43 $ 11.29 $ 10.97  
Exercised 8.10 6.75 8.00  
Forfeited/Expired 10.62 13.83 14.08  
Outstanding at end 11.05 $ 10.43 $ 11.29 $ 10.97
Vested at end $ 11.05      
Options, Weighted Average Remaining Contractual Term        
Outstanding at end 1 year 1 month 6 days 1 year 6 months 29 days 1 year 8 months 16 days 2 years 2 months 12 days
Vested at end 1 year 1 month 6 days      
Options, Aggregate Intrinsic Value        
Outstanding at end $ 82,250      
Vested at end $ 82,250