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11. WARRANTS
6 Months Ended
Sep. 30, 2014
Derivative Instruments and Hedging Activities Disclosure [Abstract]  
WARRANTS

11. WARRANTS

 

A summary of warrant activity during the six months ended September 30, 2014 is presented below:

 

    Amount     Range of
Exercise Price
  Weighted Average
Exercise Price
 
Warrants outstanding at March 31, 2014     70,709,475     $0.042 - $0.25   $ 0.13  
Exercised     (2,166,104 )   $0.086 – $0.12   $ 0.10  
Issued     15,375,614     $0.042 - $0.24   $ 0.07  
Cancelled/Expired     (1,136,364 )   $0.13   $ 0.13  
Warrants outstanding at September 30, 2014     82,782,621     $0.042 - $0.25   $ 0.10  
Warrants exercisable at September 30, 2014     82,782,621     $0.042 - $0.25   $ 0.10  

 

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 six months ended September 30, 2014:

 

Risk free interest rate   0.79% - 2.29%  
Average expected life      5 years – 7 years
Expected volatility        90.1% - 95.8%
Expected dividends    None