Note 3 - Securities (Details) - Debt Securities by Maturity (USD $)	Sep. 30, 2014
Note 3 - Securities (Details) - Debt Securities by Maturity [Line Items]
Due in 2014	1.01%
Due in 2014	$ 11,072,000
Due in 2014	11,082,000
Due in 2015 through 2019	1.26%
Due in 2015 through 2019	182,997,000
Due in 2015 through 2019	182,029,000
Due in 2020 through 2024	3.01%
Due in 2020 through 2024	71,801,000
Due in 2020 through 2024	71,698,000
Due in 2025 and beyond	3.63%
Due in 2025 and beyond	90,098,000
Due in 2025 and beyond	87,035,000
	2.08%
	457,458,000
	454,009,000
Collateralized Mortgage Backed Securities [Member]
Note 3 - Securities (Details) - Debt Securities by Maturity [Line Items]
No single maturity, weighted average yield	1.61%
No single maturity, amortized cost	99,574,000
No single maturity, fair value	100,258,000
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	1,916,000
No single maturity, fair value	$ 1,907,000