Note 7 - Subsequent Event (Details) (Subsequent Event [Member], Public Offering [Member], USD $) In Millions, except Per Share data, unless otherwise specified	1 Months Ended
	Jan. 31, 2014
Subsequent Event [Member] | Public Offering [Member]
Note 7 - Subsequent Event (Details) [Line Items]
Stock Issued During Period, Shares, New Issues	6.7
Sale of Stock, Price Per Share (in Dollars per share)	$ 4.30
Proceeds from Issuance of Common Stock (in Dollars)	$ 26.9