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4. COMMON STOCK WARRANTS (Tables)
6 Months Ended
Sep. 30, 2012
Common Stock Warrants Tables  
Common Stock Warrants

 

    September 30,
2012
    March 31,
2012
 
                 
Expected dividend yield     0.0%       0.0%  
Risk-free interest rate     0.1%       0.2%  
Expected volatility     31.4%       57.3%  
Expected term (in years)     0.53       1.04