Note 1 - Basis of Presentation and Going Concern (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Dec. 31, 2012
Disclosure Text Block [Abstract]
Net Income (Loss) Attributable to Parent	$ (3,743,000)	$ (4,671,000)	$ (10,149,000)	$ (14,405,000)
Retained Earnings (Accumulated Deficit)	(232,558,000)		(232,558,000)		(222,409,000)
Net Cash Provided by (Used in) Operating Activities			(7,419,000)	(15,696,000)
Financial Benchmark, Working Capital	$ 9,100,000		$ 9,100,000		$ (16,700,000)