Note 1 - Business and Liquidity (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Business And Liquidity Disclosure [Abstract]
Number of Operating Segments	1
Operating Income (Loss)	$ (4,704,000)	$ (4,125,000)
Net Cash Provided by (Used in) Operating Activities	(4,804,000)	(3,165,000)
Retained Earnings (Accumulated Deficit)	(103,615,000)	(107,114,000)
Cash and Cash Equivalents, at Carrying Value	$ 769,000	$ 258,000	$ 2,585,000