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STOCKHOLDERS' EQUITY (Details 1)
9 Months Ended
Sep. 30, 2012
Stockholders Equity Details 1  
Risk-free interest rate, minimum 0.65%
Risk-free interest rate, maximum 2.23%
Volatility, minimum 40.77%
Volatility, maximum 44.83%
Expected life (in years) 5-6.75 years
Dividend yield 0.00%