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SHAREHOLDERS' EQUITY (Details 2) - $ / shares
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Shareholders Equity [Line Items]      
Nonvested, Number of Options, Outstanding 321,000    
Number of Options, Granted 27,000    
Nonvested, Number of Options, Vested (117,000)    
Nonvested, Number of Options, Forfeited (11,000)    
Nonvested, Number of Options, Outstanding 220,000 321,000  
Weighted Average Grant-Date Fair Value, Nonvested, Outstanding $ 1.18    
Weighted Average Grant-Date Fair Value, Nonvested, Granted 1.5 $ 0.97 $ 1.15
Weighted Average Grant-Date Fair Value, Nonvested, Vested 1.2    
Weighted Average Grant-Date Fair Value, Nonvested, Forfeited 1.27    
Weighted Average Grant-Date Fair Value, Nonvested, Outstanding $ 1.2 $ 1.18