Note 3 - Securities (Details) - Debt Securities by Maturity (USD $)	Jun. 30, 2014
Note 3 - Securities (Details) - Debt Securities by Maturity [Line Items]
Due in 2014	0.86%
Due in 2014	$ 20,435,000
Due in 2014	20,538,000
Due in 2015 through 2019	1.25%
Due in 2015 through 2019	178,246,000
Due in 2015 through 2019	182,962,000
Due in 2020 through 2024	2.95%
Due in 2020 through 2024	78,336,000
Due in 2020 through 2024	88,647,000
Due in 2025 and beyond	3.63%
Due in 2025 and beyond	89,198,000
Due in 2025 and beyond	73,052,000
	2.07%
	471,333,000
	475,275,000
Collateralized Mortgage Backed Securities [Member]
Note 3 - Securities (Details) - Debt Securities by Maturity [Line Items]
No single maturity, weighted average yield	1.73%
No single maturity, amortized cost	103,209,000
No single maturity, fair value	108,172,000
Other Debt Obligations [Member]
Note 3 - Securities (Details) - Debt Securities by Maturity [Line Items]
No single maturity, weighted average yield	1.55%
No single maturity, amortized cost	1,909,000
No single maturity, fair value	$ 1,904,000