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STOCK-BASED COMPENSATION (Details 4) (USD $)
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]    
Risk-free interest rate 2.00% 1.20%
Dividend yield 0.00% 0.00%
Volatility factor 112.90% 116.40%
Expected life in years 7 years 4 years 4 months 24 days
Weighted average estimated fair value per share $ 11.21 $ 9.00