Note 9 - Income Taxes (Details) - Deferred Tax Assets and Deferred Tax Liabilities (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Deferred Tax Assets and Deferred Tax Liabilities [Abstract]
Allowance for loan losses	$ 2,882	$ 2,139
Deferred compensation	2,008	1,847
Deferred loan fees/costs	288us-gaap_DeferredTaxAssetsDeferredIncome	290us-gaap_DeferredTaxAssetsDeferredIncome
Other real estate owned	370	403
Other	84us-gaap_DeferredTaxAssetsOther	205us-gaap_DeferredTaxAssetsOther
Mortgage servicing rights	(167)	(185)
FHLB stock dividends	(1,074)	(1,081)
Unrealized gain on securities available for sale	(495)	(128)
Prepaid expenses	(206)	(5)
Depreciation and amortization	(451)	(397)
Other	(2)us-gaap_DeferredTaxLiabilitiesOther	(1)us-gaap_DeferredTaxLiabilitiesOther
Net deferred tax asset	$ 3,237us-gaap_DeferredTaxAssetsLiabilitiesNet	$ 3,087us-gaap_DeferredTaxAssetsLiabilitiesNet

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