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STOCKHOLDERS' EQUITY (Details Narrative 4) - USD ($)
1 Months Ended 12 Months Ended
Dec. 31, 2013
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Share-based compensation expense   $ 6,621,658 $ 4,393,455 $ 3,200,655
Total unrecognized estimated compensation expense   $ 19,800,000    
Recognized weighted-average period   1 year 8 months 12 days    
Shares issued in exercise of warrants   $ 366,000 181,000  
Weighted average grant date fair value (per share)   $ 4.45    
Intrinsic value of options exercised   $ 3,186,371    
Warrants [Member]        
Shares issued in exercise of warrants   $ 366,000 $ 181,000  
Shares issued in exercise of warrants, shares   945,485 365,583  
Warrants exercised   (1,255,485)    
Warrants - Issued [Member]        
Shares issued in exercise of warrants, shares   232,197    
Warrants exercised   (310,000)    
Stock Option [Member] | Minimum [Member]        
Option exercise prices (in dollars per shares)   $ 0.10    
Stock Option [Member] | Maximum [Member]        
Option exercise prices (in dollars per shares)   $ 8.92    
2009 Long Term Incentive Compensation Plan [Member]        
Number of shares authorized for issuance   25,000,000    
Options outstanding, ending   17,856,851    
Number of shares available for issuance   3,607,852    
2012 Stock Incentive Plan [Member]        
Number of shares authorized for issuance   10,000,000    
Options outstanding, ending   2,868,474    
Number of shares available for issuance   7,050,000    
Grant - restricted stock unit (shares) 50,000      
Fair value of grant $ 233,500      
Restricted stock expense     $ 53,428 $ 180,072