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STOCK-BASED COMPENSATION (Details 1) - USD ($)
 12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]    
Balance at beginning 4,634,000 3,496,000
Granted 1,327,000 1,306,000
Exercised (40,000)  
Forfeiture and cancelled (285,000) (168,000)
Balance at end 5,636,000 4,634,000
Exercisable at end 4,411,000  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward]    
Balance at beginning $ 0.81 $ 0.49
Granted 2.01 1.61
Exercised 0.42  
Forfeiture and cancelled 1.81 0.52
Balance at end 1.04 0.81
Exercisable at end 0.81  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Fair Value [Roll Forward]    
Balance at beginning 0.41 0.41
Granted 0.33 0.33
Forfeiture and cancelled 0.38 0.38
Balance at end 0.41 $ 0.41
Exercisable at end $ 1.76  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Intrinsic Value [Roll Forward]    
Balance at beginning $ 5,300,000 $ 588,000
Balance at end 7,317,000 $ 5,300,000
Exercisable at end $ 477,000  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Average Remaining Term [Roll Forward]    
Balance at beginning 5 years 5 months 26 days 6 years 6 months
Balance at end 5 years 21 days 5 years 5 months 26 days
Exercisable at end 4 years 7 months 27 days