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STOCKHOLDERS' EQUITY (Details) - Warrants [Member]
 12 Months Ended
Dec. 31, 2015
USD ($)
$ / shares
shares
Number of shares under warrant  
Warrants outstanding, beginning | shares 13,927,916
Warrants exercised | shares (1,255,485)
Warrants outstanding, ending | shares 12,722,431
Vested and Exercisable | shares 12,422,432
Weighted Average Exercise Price  
Warrants outstanding, beginning $ 1.82
Warrants granted 6.35
Warrants exercised 0.79
Warrants outstanding, ending 1.93
Vested and Exercisable $ 1.92
Weighted Average Remaining Contractual Life  
Warrants outstanding, beginning 3 years
Warrants outstanding, ending 1 year 8 months 12 days
Vested and Exercisable 1 year 7 months 6 days
Aggregate Intrinsic Value  
Warrants outstanding, beginning | $ $ 36,623,875
Warrants exercised | $ 7,282,404
Warrants outstanding, ending | $ 107,344,752
Vested and Exercisable | $ $ 104,909,091