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11. WARRANTS (Tables)
9 Months Ended
Dec. 31, 2012
Note 11. Warrants  
Summary of warrant activity exercisable and outstanding

A summary of warrant activity during the nine months ended December 31, 2012 is presented below:

 

    Amount    

Range of Exercise

 Price

 

Weighted Average

Exercise

 Price

Warrants outstanding at March 31, 2012     59,807,849     $0.07 - $0.25   $0.14
Exercised            
Issued     12,912,227     $0.09 - $0.11   $0.09
Cancelled/Expired     (871,000   $ –    
Warrants outstanding at December 31, 2012     71,849,076     $0.07 - $0.25   $0.13
Warrants exercisable at December 31, 2012     71,849,076     $0.07 - $0.25   $0.13

 

Weighted average assumptions used to estimate the fair value, with respect to warrants utilizing the Binomial Lattice option pricing model

The following outlines the significant weighted average assumptions used to estimate the fair value information presented, with respect to warrants utilizing the Binomial Lattice option pricing models at, and during the nine months ended December 31, 2012:

 

Risk free interest rate 0.086% – 1.56%
Average expected life    5 – 7 years
Expected volatility      91.5 – 94.3%
Expected dividends  None