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STOCKHOLDERS' EQUITY (Details 1)
3 Months Ended
Jun. 30, 2012
Stockholders Equity Details 1  
Risk-free interest rate, minimum 0.84%
Risk-free interest rate, maximum 2.23%
Volatility, minimum 40.77%
Volatility, maximum 43.10%
Expected life (in years)
5.5-6.75
Dividend yield 0.00%