Note 9 - Convertible Notes and Warrant Liabilities (Tables)

12 Months Ended

Dec. 31, 2013

Convertible Notes Warrant Liabilities And Fair Value Disclosure [Abstract]

Schedule of Stockholders' Equity Note, Warrants or Rights [Table Text Block]

	2011 Warrants			Exercise Price
Beginning balance – December 31, 2012		40,000,000		$	0.15
Less: Canceled		(40,000,000	)		0.15
Add: Issued		65,263,156			0.098
Less: Exercised		(47,322,376	)		0.098
Ending Balance – December 31, 2013		17,940,780		$	0.098

$0.15 Warrants	Warrants			Exercise Price
Beginning balance at December 31, 2012		10,000,000		$	0.15
Less: Canceled		(10,000,000	)		0.15
Add: Issued		16,315,790			0.098
Less: Exercised		(9,250,535	)		0.098
Ending balance at December 31, 2013		7,065,255		$	0.098

$0.25 Warrants	Warrants			Exercise Price
Beginning balance at December 31, 2012		10,000,000		$	0.25
Less: Canceled		(10,000,000	)		0.25
Ending balance at December 31, 2013		—		$	—

Third Tranche Warrants	Warrants			Exercise Price
Beginning balance at December 31, 2012		—		$	—
Add: Issued		2,500,000			0.15
Less: Canceled		(2,500,000	)		0.15
Ending balance at December 31, 2013		—		$	—