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4. COMMON STOCK WARRANTS (Tables)
9 Months Ended
Dec. 31, 2012
Common Stock Warrants Tables  
Common Stock Warrants
    December 31, 2012     March 31, 2012  
             
Expected dividend yield     0.0%       0.0%  
Risk-free interest rate     0.1%       0.2%  
Expected volatility     32.5%       57.3%  
Expected term (in years)     0.28       1.04