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STOCK PURCHASE WARRANTS (Tables)
3 Months Ended
Mar. 31, 2016
Warrants and Rights Note Disclosure [Abstract]  
Schedule of warrants outstanding
The following warrants were outstanding at March 31, 2016,
Schedule of assumptions used in calculating estimated fair value of warrants
The assumptions used by the Company are summarized in the following tables:
August 2013 Warrants
 
March 31, 2016
 
December 31, 2015
Closing stock price
 
$
5.86

 
$
2.58

Expected dividend rate
 
%
 
%
Expected stock price volatility
 
89.8
%
 
91.4
%
Risk-free interest rate
 
0.8
%
 
1.3
%
Expected life (years)
 
2.38

 
2.63