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SHAREHOLDERS' EQUITY (Details 2) - $ / shares
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Shareholders Equity [Line Items]      
Nonvested, Number of Options, Outstanding 220,000 321,000  
Number of Options, Granted 16,000 27,000  
Nonvested, Number of Options, Vested (111,000) (117,000)  
Nonvested, Number of Options, Forfeited   (11,000)  
Nonvested, Number of Options, Outstanding 125,000 220,000 321,000
Weighted Average Grant-Date Fair Value, Nonvested, Outstanding $ 1.20 $ 1.18  
Weighted Average Grant-Date Fair Value, Nonvested, Granted 1.45 1.50 $ 0.97
Weighted Average Grant-Date Fair Value, Nonvested, Vested 1.22 1.20  
Weighted Average Grant-Date Fair Value, Nonvested, Forfeited   1.27  
Weighted Average Grant-Date Fair Value, Nonvested, Outstanding $ 1.20 $ 1.20 $ 1.18