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Note 6- Stockholders' Equity (Detail) - (Table 1) Warrant Activity, Current Period (USD $)	3 Months Ended
	Mar. 31, 2013
Stockholders' Equity Note [Abstract]
Balance at December 31, 2012	6,050,999
Balance at December 31, 2012	1.12
Issued	1,575,000
Issued	0.30
Expired	(113,333)
Expired	$ (0.75)
Balance at March 31, 2013	7,512,666
Balance at March 31, 2013	0.96

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The exercise price of each class of warrants or rights issued.

+ References

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- Definition

The exercise price of each class of warrants or rights outstanding.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

-Section S99

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The specified number of securities that each class of warrants or rights outstanding give the holder the right but not the obligation to purchase from the issuer at a specific price, on or before a certain date.

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The number of warrants issued as [noncash or part noncash] consideration for a business or asset acquired. Noncash is defined as transactions during a period that affect recognized assets or liabilities but that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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