XML 28 R52.htm IDEA: XBRL DOCUMENT v2.4.0.8
STOCKHOLDERS' EQUITY (Details 1) (Warrants, USD $)
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Class of Warrant or Right [Line Items]      
Weighted average fair value $ 2.83 $ 2.05 $ 0.16
Term (in years)   5 years  
Dividend yield 0.00% 0.00% 0.00%
Minimum
     
Class of Warrant or Right [Line Items]      
Risk-free interest rate 0.88% 0.72% 0.91%
Volatility 44.29% 44.64% 39.13%
Term (in years) 5 years   5 years
Maximum
     
Class of Warrant or Right [Line Items]      
Risk-free interest rate 1.12% 1.04% 3.48%
Volatility 45.89% 44.81% 51.83%
Term (in years) 6 years   10 years