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STOCK-BASED COMPENSATION (Details 2) - 2015 Stock Option Plan [Member] - $0.36 - $1.33 [Member]
6 Months Ended
Jun. 30, 2018
$ / shares
shares
Number Outstanding | shares 931,000
Weighted Average Remaining Contractual Term 5 years
Weighted Average Exercise Price | $ / shares $ 0.43
Number Exercisable | shares 656,885
Weighted Average Exercise Price | $ / shares $ 0.39