Note 14 - Subsequent Events (Details)	12 Months Ended					0 Months Ended
	Dec. 31, 2013	Mar. 05, 2013	Dec. 31, 2012	Feb. 19, 2010	Jan. 25, 2008	Mar. 10, 2014 Subsequent Event [Member]
Note 14 - Subsequent Events (Details) [Line Items]
	1,002,147					168,366
Class of Warrant or Right, Exercise Price of Warrants or Rights (in Dollars per Item)	2.61	2.75	2.98	3.55	2.75	1.96
Stock Issued During Period, Shares, New Issues						89,230