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STOCK-BASED COMPENSATION (Details 2)
12 Months Ended
Dec. 31, 2019
$ / shares
shares
Outstanding Options  
Number Outstanding at end | shares 6,528,000
Weighted Averaged Remaining Life 6 years 6 months 29 days
Weighted Averaged Exercise Price | $ / shares $ 2.78
Vested Options  
Number Exercisable at end | shares 2,350,000
Weighted Averaged Exercise Price | $ / shares $ 2.78
Weighted Averaged Remaining Life 3 years 8 months 9 days
$0.20 - $0.53 [Member]  
Outstanding Options  
Number Outstanding at end | shares 359,000
Weighted Averaged Remaining Life 3 years 2 months 12 days
Weighted Averaged Exercise Price | $ / shares $ 0.28
Vested Options  
Number Exercisable at end | shares 359,000
Weighted Averaged Exercise Price | $ / shares $ 0.28
Weighted Averaged Remaining Life 3 years 2 months 12 days
$0.65 - $1.80 [Member]  
Outstanding Options  
Number Outstanding at end | shares 342,000
Weighted Averaged Remaining Life 1 year 4 months 6 days
Weighted Averaged Exercise Price | $ / shares $ 1.05
Vested Options  
Number Exercisable at end | shares 342,000
Weighted Averaged Exercise Price | $ / shares $ 1.05
Weighted Averaged Remaining Life 1 year 4 months 6 days
$1.83 - $2.84 [Member]  
Outstanding Options  
Number Outstanding at end | shares 555,000
Weighted Averaged Remaining Life 2 years 7 months 2 days
Weighted Averaged Exercise Price | $ / shares $ 2.07
Vested Options  
Number Exercisable at end | shares 555,000
Weighted Averaged Exercise Price | $ / shares $ 2.07
Weighted Averaged Remaining Life 2 years 7 months 2 days
$3.20 - $6.20 [Member]  
Outstanding Options  
Number Outstanding at end | shares 5,273,000
Weighted Averaged Remaining Life 7 years 6 months 25 days
Weighted Averaged Exercise Price | $ / shares $ 4.50
Vested Options  
Number Exercisable at end | shares 1,094,000
Weighted Averaged Exercise Price | $ / shares $ 4.50
Weighted Averaged Remaining Life 5 years 1 month 16 days