Note 9 - Stock Options and Warrants (Detail) - Stock Warrant Activity (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 30, 2011	Dec. 31, 2009
Warrants (in Shares)	8,730,190	8,457,359
Weighted Average Exercise Price of Shares Outstanding		$ 0.07	$ 0.07	$ 0.26
Exercisable End of Year (in Shares)	6,642,317	8,730,190
Granted (in Shares)	724,487	3,332,831
Cancelled/Expired (in Shares)	(2,812,360)	(3,060,000)
Warrants (in Shares)	6,642,317	8,730,190
Weighted Average Exercise Price of Shares Outstanding	$ 0.06		$ 0.07	$ 0.26
Minimum [Member]
Weighted Average Exercise Price of Shares Outstanding		$ 0.10
Exercisable End of Year	$ 0.0202	$ 0.03
Granted		$ 0.03
Weighted Average Exercise Price of Shares Outstanding	$ 0.0202	$ 0.03
Maximum [Member]
Weighted Average Exercise Price of Shares Outstanding	$ 0.10	$ 0.20
Exercisable End of Year	$ 0.10	$ 0.10
Granted	$ 0.0202	$ 0.04
Cancelled/Expired	$ (0.10)	$ (0.20)
Weighted Average Exercise Price of Shares Outstanding	$ 0.10	$ 0.10