Note 10 - Shareholders Equity (Detail) - Warrant Activity (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Balance, December 31, 2009	3,256,378	3,291,378	4,437,639
Balance, December 31, 2009 (in Dollars per Item)	1.43	1.42	1.24
Warrants Issued	9,800,000	125,000	855,000
Warrants Issued Weighted Average Exercise Price (in Dollars per share)	$ 0.54	$ 0.01	$ 0.50
Warrants Exercised		(160,000)	(1,730,062)
Warrants Exercised Weighted Average Exercise Price (in Dollars per share)		$ 0.01	$ 0.01
Warrants cancelled			(271,199)
Warrants cancelled (in Dollars per share)			$ 4.50
Warrants Outstanding Balance	13,056,378	3,256,378	3,291,378
Warrants Outstanding Weighted Average Exercise Price (in Dollars per Item)	0.76	1.43	1.42
Exercisable, December 31, 2012	12,856,378
Exercisable, December 31, 2012 (in Dollars per share)	$ 0.77