Note 9 - Shareholders' Equity (Details) (Shareholder Rights Plan [Member], USD $)	6 Months Ended
	Jun. 30, 2013	Aug. 09, 2011
Shareholder Rights Plan [Member]
Note 9 - Shareholders' Equity (Details) [Line Items]
Class of Warrant or Right, Exercise Price of Warrants or Rights (in Dollars per Item)		39
Common Stock Redemption Discount	50.00%
Class of Warrant or Right, Redemption Price (in Dollars per share)	$ 0.001
Common Stock, Capital Shares Reserved for Future Issuance (in Shares)	90,315,210