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7. Outstanding Warrants (Details) (USD $)	3 Months Ended
	Jun. 30, 2013	Mar. 31, 2013
Outstanding Warrants Details
Number of Warrants Outstanding, Beginning	1,610,024	1,806,923
Number of Warrants Granted	2,415,338	1,253,101
Number of Warrants Exercised	(1,184,171)	(1,448,610)
Number of Warrants Expired	(285,234)	(1,390)
Number of Warrants Outstanding, Ending	2,555,957	1,610,024
Weighted Average Exercise Price Outstanding, Beginning	$ 0.30	$ 0.27
Weighted Average Exercise Price Granted	$ 0.26	$ 0.001
Weighted Average Exercise Price Exercised	$ 0.03	$ 0.001
Weighted Average Exercise Price Expired	$ 1.20	$ 0.001
Weighted Average Exercise Price Outstanding, Ending	$ 0.29	$ 0.30
Weighted Average Remaining Contractual Life (in years) Outstanding, Beginning	2 years 1 month 20 days	2 years 8 months 8 days
Weighted Average Remaining Contractual Life (in years) Outstanding, Ending	5 years 6 months 25 days	2 years 1 month 20 days

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For presentations that combine terminations, the number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan or that expired.

+ 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)(iv)(3)-(4)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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Weighted average price of options that were either forfeited or expired.

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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)(iv)(3)-(4)

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Gross number of share options (or share units) granted during the period.

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Number of options outstanding, including both vested and non-vested options.

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-Topic 718

-SubTopic 10

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-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901



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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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-Publisher FASB

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-Topic 718

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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