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NOTE 11. WARRANTS
3 Months Ended
Jun. 30, 2011
Schedule of Stockholders' Equity Note, Warrants or Rights [Table Text Block]
NOTE 11.  WARRANTS

A summary of warrant activity during the three months ended June 30, 2011 is presented below:

   
Amount
   
Range of Exercise
 Price
   
Weighted Average
Exercise
 Price
 
Warrants outstanding at March 31, 2011
   
38,675,169
   
$
0.15 - $0.50
     
$ 0.31
 
Exercised
   
(1,209,623
)
 
$
0.231
         
Issued
   
11,945,727
   
$
0.12.5-$0.175
         
Cancelled/Expired
   
(2,426,741
)
 
$
0.231
         
Warrants outstanding at June 30, 2011
   
46,984,532
   
$
0.125 - $0.50
     
$ 0.21
 
Warrants exercisable at June 30, 2011
   
46,984,532
   
$
0.125 - $0.50
     
$ 0.21
 

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 three months ended June 30, 2011:

Risk free interest rate
2.24%
Average expected life   
5 years
Expected volatility     
83.4%
Expected dividends 
None