Note 9 - Income Taxes (Detail) - Changes in Net Operating Losses Available for Future Years (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011 Begining Balance [Member]	Dec. 31, 2012 Ending Balance [Member]
Net operating loss available at December 31, 2011	$ 73,237,522	$ 73,237,522	$ 72,446,952
2012 utilization	(790,570)
Net operating loss available at December 31, 2012	$ 72,446,952	$ 73,237,522	$ 72,446,952