STOCKHOLDERS' EQUITY (Details 3) - Stock Options [Member] - USD ($)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Options, Outstanding
Options outstanding, beginning	20,725,325
Options Granted	1,732,500
Options Exercised	(652,471)	(612,867)	(724,193)
Options Expired	(5,750)
Options Cancelled/Forfeited	(31,750)
Options outstanding, ending	21,767,854	20,725,325
Vested and exercisable	18,633,479
Unvested	3,134,375
Options, Weighted Average Exercise Price
Options outstanding, beginning	$ 3.28
Granted	6.22
Exercised	1.91
Expired	4.76
Cancelled/Forfeited	6.38
Options outstanding, ending	3.56	$ 3.28
Vested and exercisable	3.09
Unvested	$ 6.29
Options, Weighted Average Remaining Contractual Life
Options outstanding	5 years 9 months 18 days	6 years 6 months
Vested and exercisable	5 years 3 months 18 days
Unvested	9 years
Options, Aggregate Intrinsic Value
Options outstanding, beginning	$ 146,864,184
Options exercised	3,828,358
Options outstanding, ending	60,495,730	$ 146,864,184
Vested and exercisable	59,382,849
Unvested	$ 1,112,881