STOCKHOLDERS' EQUITY (Details Narrative 3) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017	Dec. 31, 2017
Share-based compensation expense	$ 2,212,241	$ 1,505,625	$ 3,872,125	$ 2,806,685
Total unrecognized estimated compensation expense	$ 13,817,000		$ 13,817,000
Recognized weighted-average period			2 years 4 months 24 days
Stock Options [Member]
Options outstanding, ending	25,210,899		25,210,899		23,365,225
Weighted average grant date fair value per share of options granted			$ 3.15	$ 3.82
Stock Options [Member] | Minimum [Member]
Option exercise prices (in dollars per shares)	$ 0.10		0.10
Stock Options [Member] | Maximum [Member]
Option exercise prices (in dollars per shares)	$ 8.92		$ 8.92
2012 Stock Incentive Plan [Member]
Number of shares authorized for issuance	10,000,000		10,000,000
Options outstanding, ending	6,278,474		6,278,474
Number of shares available for issuance	3,473,333		3,473,333
2009 Long Term Incentive Compensation Plan [Member]
Number of shares authorized for issuance	25,000,000		25,000,000
Options outstanding, ending	18,932,425		18,932,425
Number of shares available for issuance	1,578,787		1,578,787
Warrants [Member]
Recognized weighted-average period			8 months 12 days
Warrants [Member] | Individuals [Member]
Shares issued for exercise of warrants, net		$ 1,338,999		$ 3,798,999
Shares issued for exercise of warrants, net (in shares)		666,666		2,476,666
Number of warrants exercised in cashless exercise (in shares)		6,590,000
Number of common stock issued during period for warrants exercised in cashless exercise (in shares)		4,762,208