Note 7 - Litigation (Details) (USD $)	12 Months Ended			12 Months Ended	1 Months Ended
	Dec. 31, 2012	May 31, 2012 Attorney Fees [Member] Gross [Member]	May 31, 2012 Taxable Costs [Member] Gross [Member]	Dec. 31, 2012 Quarterly [Member]	Dec. 31, 2011 Gross [Member]
Note 7 - Litigation (Details) [Line Items]
Gain Contingency, Unrecorded Amount		$ 9,100,000	$ 300,000
Proceeds from Legal Settlements	$ 1,200,000			$ 300,000	$ 2,000,000