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11. WARRANTS (Tables)
9 Months Ended 12 Months Ended
Dec. 31, 2014
Mar. 31, 2014
Derivative Instruments and Hedging Activities Disclosure [Abstract]    
Summary of warrant activity

    Amount     Range of
Exercise Price
    Weighted Average
Exercise Price
 
Warrants outstanding at March 31, 2014     1,414,190       $2.10 - $12.50     $ 6.50  
Exercised     (587,084     $2.10 – $11.00     4.50  
Issued     806,478       $2.10 - $15.00     $ 8.50  
Cancelled/Expired     (197,692     $2.10 - $11.00      7.00  
Warrants outstanding at December 31, 2014     1,435,892       $2.10 - $15.00     $ 7.00  
Warrants exercisable at December 31, 2014     1,435,892       $2.10 - $15.00     $ 7.00  

A summary of the aggregate warrant activity for the years ended March 31, 2014 and 2013 is presented below:

 

    Year Ended March 31,  
    2014     2013  
    Warrants     Weighted Average
Exercise Price
    Warrants     Weighted Average
Exercise Price
 
Outstanding, beginning of year     1,512,946     $ 5.50       1,196,157     $ 7.00  
Granted     290,610     $ 9.00       334,209     $ 5.50  
Exercised     (254,324 )   $ 4.00           $  
Cancelled/Forfeited     (135,042 )   $ 5.50       (17,420 )   $ 12.50  
Outstanding, end of year     1,414,190     $ 5.00       1,512,946     $ 5.50  
Exercisable, end of year     1,414,190     $ 5.00       1,512,946     $ 5.50  
Weighted average estimated fair value of warrants granted           $ 4.50             $ 3.50  
Weighted average assumptions used to estimate the fair value, with respect to warrants utilizing the Binomial Lattice option pricing model
Risk free interest rate 0.79% - 2.29%  
Average expected life    5 years – 7 years
Expected volatility      87.8% - 107.4%
Expected dividends  None

The following outlines the significant weighted average assumptions used to estimate the fair value of warrants granted utilizing the Binomial Lattice option pricing model:

 

  Year Ended March 31,
  2014   2013
Risk free interest rate 1.3%-2.04%   0.86%-1.56%
Average expected life 5 to 7 years   5 to 7 years
Expected volatility 91.2% - 98.5%   90.3% - 94.3%
Expected dividends None   None
Warrants outstanding and exerceisable  

The detail of the warrants outstanding and exercisable as of March 31, 2014 is as follows:

 

    Warrants Outstanding     Warrants Exercisable  

Range of

Exercise Prices

 

Number

Outstanding

   

Weighted Average

Remaining

Life (Years)

   

Weighted Average

Exercise Price

   

Number

Outstanding

   

Weighted Average

Exercise Price

 
$5.00 or Below     741,896       2.42     $ 2.50       741,896     $ 2.50  
$5.50 - $9.50     437,520       4.74     $ 6.50       437,520     $ 6.50  
$10.00 - $12.50     234,774       5.05     $ 10.50       234,774     $ 10.50  
      1,414,190                       1,414,190