STOCKHOLDERS' EQUITY (Details Narrative 3) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016	Dec. 31, 2016
Share-based compensation expense	$ 1,505,625	$ 4,160,071	$ 2,806,685	$ 8,311,330
Total unrecognized estimated compensation expense	$ 14,365,000		$ 14,365,000
Recognized weighted-average period			2 years 4 months 24 days
Weighted average grant date fair value (per share)			$ 3.82	$ 5.08
Stock Options [Member]
Options outstanding, ending	23,402,100		23,402,100		21,767,854
Option exercise prices (in dollars per shares)	$ 3.79		$ 3.79		$ 3.56
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
2009 Long Term Incentive Compensation Plan [Member]
Number of shares authorized for issuance	25,000,000		25,000,000
Options outstanding, ending	18,611,959		18,611,959
Number of shares available for issuance	2,139,503		2,139,503
Vesting period			4 years
Expiration period			10 years
2012 Stock Incentive Plan [Member]
Number of shares authorized for issuance	10,000,000		10,000,000
Options outstanding, ending	4,790,141		4,790,141
Number of shares available for issuance	5,128,333		5,128,333
Vesting period			4 years
Expiration period			10 years
Warrants [Member] | Individuals [Member]
Shares issued for exercise of warrants, net	$ 1,338,999	$ 63,000	$ 3,798,999	$ 1,373,000
Shares issued for exercise of warrants, net (in shares)	666,666	161,372	2,476,666	722,744
Warrants - Cashless Exercise [Member]
Shares issued for exercise of warrants, net (in shares)	4,762,208		4,762,208
Warrants exercised	6,590,000		6,590,000