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11. WARRANTS (Tables) | 9 Months Ended
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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

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- Definition Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for share options (or share units) that were outstanding at the beginning and end of the year, vested and expected to vest, exercisable or convertible at the end of the year, and the number of share options or share units that were granted, exercised or converted, forfeited, and expired during the year. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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