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STOCK COMPENSATION PLANS (Details) - $ / shares
 12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
SHARES      
Outstanding at beginning of year 417,566 470,449 559,909
Granted 17,500 54,000 32,500
Exercised (64,112) (32,661) (75,923)
Forfeited (10,233) (74,222) (46,037)
Outstanding at end of year 360,721 417,566 470,449
Exercisable at end of year 308,301 328,062 336,555
WEIGHTED AVERAGE EXERCISE PRICE      
Outstanding at beginning of year $ 2.76 $ 2.74 $ 2.66
Granted 3.96 3.03 2.96
Exercised 2.49 2.27 2.07
Forfeited 3.10 3.04 3.04
Outstanding at end of year 2.85 2.76 2.74
Exercisable at end of year 2.79 2.69 2.58
Weighted average fair value of options granted in current year $ 1.12 $ 0.93 $ 0.67