LONG-TERM DEBT (Details 1) (Warrant [Member], USD $)
3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Warrant [Member]
   
Share price $ 13.40 $ 4.30
Risk-free interest rate 1.32% 0.77%
Dividend yield 0.00% 0.00%
Expected volatility 51.79% 56.00%
Expected term 4 years 5 years