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STOCK-BASED COMPENSATION (Details 2)
12 Months Ended
Dec. 31, 2017
$ / shares
shares
Outstanding Options  
Number Outstanding at December 31, 2017 | shares 4,602,000
Weighted Averaged Remaining Life 4 years 2 months 23 days
Weighted Averaged Exercise Price | $ / shares $ 1.82
Vested Options  
Number Exercisable at December 31, 2017 | shares 3,251,000
Weighted Averaged Exercise Price | $ / shares $ 1.09
Weighted Averaged Remaining Life 3 years 7 months 24 days
$0.20 - $0.53 [Member]  
Outstanding Options  
Number Outstanding at December 31, 2017 | shares 1,135,000
Weighted Averaged Remaining Life 3 years 5 months 23 days
Weighted Averaged Exercise Price | $ / shares $ 0.26
Vested Options  
Number Exercisable at December 31, 2017 | shares 1,135,000
Weighted Averaged Exercise Price | $ / shares $ 0.26
Weighted Averaged Remaining Life 3 years 5 months 23 days
$0.65 - $1.80 [Member]  
Outstanding Options  
Number Outstanding at December 31, 2017 | shares 1,062,000
Weighted Averaged Remaining Life 2 years 5 months 8 days
Weighted Averaged Exercise Price | $ / shares $ 0.86
Vested Options  
Number Exercisable at December 31, 2017 | shares 1,016,000
Weighted Averaged Exercise Price | $ / shares $ 0.85
Weighted Averaged Remaining Life 2 years 4 months 24 days
$1.83 - $2.84 [Member]  
Outstanding Options  
Number Outstanding at December 31, 2017 | shares 1,228,000
Weighted Averaged Remaining Life 4 years 7 months 20 days
Weighted Averaged Exercise Price | $ / shares $ 2.07
Vested Options  
Number Exercisable at December 31, 2017 | shares 783,000
Weighted Averaged Exercise Price | $ / shares $ 2.09
Weighted Averaged Remaining Life 4 years 5 months 12 days
$3.20 - $6.20 [Member]  
Outstanding Options  
Number Outstanding at December 31, 2017 | shares 1,169,000
Weighted Averaged Remaining Life 6 years 2 months
Weighted Averaged Exercise Price | $ / shares $ 3.90
Vested Options  
Number Exercisable at December 31, 2017 | shares 309,000
Weighted Averaged Exercise Price | $ / shares $ 3.86
Weighted Averaged Remaining Life 6 years 4 months 17 days
$7.20 - $22.00 [Member]  
Outstanding Options  
Number Outstanding at December 31, 2017 | shares 8,000
Weighted Averaged Remaining Life 1 year 10 months 19 days
Weighted Averaged Exercise Price | $ / shares $ 10.36
Vested Options  
Number Exercisable at December 31, 2017 | shares 8,000
Weighted Averaged Exercise Price | $ / shares $ 10.36
Weighted Averaged Remaining Life 1 year 10 months 19 days