Note 2 - Securities (Details) (USD $)	9 Months Ended	12 Months Ended
	Sep. 30, 2013	Dec. 31, 2012
Note 2 - Securities (Details) [Line Items]
Held-to-maturity, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions		0
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Loss	$ 6,891,000	$ 73,000
Held-to-maturity Securities, Continuous Unrealized Loss Position, Aggregate Loss	52,000
Other than Temporary Impairment Losses, Investments, Available-for-sale Securities	451,000
Credit Loss [Member]
Note 2 - Securities (Details) [Line Items]
Less OTTI Charges Recognized In Net Income Mortgage Backed Securities	30,000
Less OTTI Charges Recognized In Net Income Asset Backed Securities	$ 11,000