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STOCK-BASED COMPENSATION (Details) - $ / shares
3 Months Ended 6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
Oct. 31, 2014
Nov. 07, 2013
Jul. 31, 2012
Dec. 31, 2010
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]                
Expected dividend yield 0.00% 0.00% 0.00% 0.00%        
Expected stock-price volatility, Minimum 65.06% 55.32% 51.45% 55.32%        
Expected stock-price volatility, Maximum 67.08% 62.09% 67.08% 62.09%        
Risk-free interest rate, Minimum 1.79% 1.54% 0.77% 1.49%        
Risk-free interest rate, Maximum 2.07% 2.67% 2.07% 3.04%        
Term of options 10 months 10 months 10 months 10 months        
Common stock value per share $ 5.86 $ 1.17 $ 5.86 $ 1.17 $ 5.86 $ 1.17 $ 1.19 $ 1.03