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STOCK-BASED COMPENSATION (Details 2) - $ / shares
6 Months Ended
Jun. 30, 2018
Dec. 31, 2017
Outstanding Options    
Number Outstanding 5,336,000 4,602,000
Weighted Averaged Remaining Life 5 years 5 months 27 days  
Weighted Averaged Exercise Price $ 3.02  
Vested Options    
Number Exercisable 3,026,000  
Weighted Averaged Exercise Price $ 1.84  
Weighted Averaged Remaining Life 3 years 7 months 21 days  
$0.20 - $0.53 [Member]    
Outstanding Options    
Number Outstanding 502,000  
Weighted Averaged Remaining Life 3 years 6 months 29 days  
Weighted Averaged Exercise Price $ 0.27  
Vested Options    
Number Exercisable 514,000  
Weighted Averaged Exercise Price $ 0.28  
Weighted Averaged Remaining Life 3 years 6 months  
$0.65 - $1.80 [Member]    
Outstanding Options    
Number Outstanding 1,042,000  
Weighted Averaged Remaining Life 1 year 7 months 10 days  
Weighted Averaged Exercise Price $ 0.85  
Vested Options    
Number Exercisable 1,028,000  
Weighted Averaged Exercise Price $ 0.85  
Weighted Averaged Remaining Life 1 year 7 months 2 days  
$1.83 - $2.84 [Member]    
Outstanding Options    
Number Outstanding 1,169,000  
Weighted Averaged Remaining Life 3 years 10 months 3 days  
Weighted Averaged Exercise Price $ 2.06  
Vested Options    
Number Exercisable 827,000  
Weighted Averaged Exercise Price $ 2.07  
Weighted Averaged Remaining Life 3 years 9 months 29 days  
$3.20 - $6.20 [Member]    
Outstanding Options    
Number Outstanding 2,613,000  
Weighted Averaged Remaining Life 8 years 1 month 24 days  
Weighted Averaged Exercise Price $ 4.82  
Vested Options    
Number Exercisable 649,000  
Weighted Averaged Exercise Price $ 4.25  
Weighted Averaged Remaining Life 6 years 9 months 14 days  
$7.20 - $22.00 [Member]    
Outstanding Options    
Number Outstanding 8,000  
Weighted Averaged Remaining Life 1 year 1 month 16 days  
Weighted Averaged Exercise Price $ 10.36  
Vested Options    
Number Exercisable 8,000  
Weighted Averaged Exercise Price $ 10.36  
Weighted Averaged Remaining Life 1 year 1 month 16 days