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STOCKHOLDERS' EQUITY (Details 1) - USD ($)
3 Months Ended 12 Months Ended
Mar. 31, 2019
Dec. 31, 2018
Options, Weighted Average Exercise Price    
Options Outstanding ending $ 11,579  
Stock Options [Member]    
Options, Outstanding    
Options Outstanding beginning 20,872,824  
Options Granted 907,000  
Options Exercised (288,480)  
Options Expired (43,625)  
Options Outstanding ending 21,447,719 20,872,824
Vested and Exercisable ending 16,995,263  
Unvested ending 4,452,456  
Options, Weighted Average Exercise Price    
Options Outstanding beginning $ 4.93  
Granted 5.63  
Exercised 0.35  
Expired 5.69  
Cancelled/Forfeited 5.02  
Options Outstanding ending 4.78 $ 4.93
Vested and Exercisable ending $ 5.93  
Options, Weighted Average Remaining Contractual Life    
Options Outstanding 5 years 11 months 5 days 5 years 11 months 8 days
Vested and Exercisable ending 5 years 1 month 28 days  
Unvested ending 8 years 9 months 28 days  
Options outstanding, Aggregate Intrinsic Value    
Options Outstanding beginning $ 12,239,876  
Options exercised 1,315,238  
Options Outstanding ending 19,747,182 $ 12,239,876
Vested and Exercisable ending 19,747,182  
Unvested ending $ 0