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Note 11 - Fair Value and Interest Rate Risk (Details) - Quantitative Information About Level 3 Fair Value Measurements - USD ($) $ in Thousands		6 Months Ended	12 Months Ended
		Jun. 30, 2015	Dec. 31, 2014
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Impaired loans		$ 11,938	$ 11,724
Fair Value, Inputs, Level 3 [Member] | Fair Value of Collateral Approach [Member] | Fair Value, Measurements, Nonrecurring [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Impaired loans		$ 528	$ 859
Fair Value, Inputs, Level 3 [Member] | Minimum [Member] | Fair Value of Collateral Approach [Member] | Fair Value, Measurements, Nonrecurring [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Range, percent		14.00%	8.00%
Fair Value, Inputs, Level 3 [Member] | Weighted Average [Member] | Fair Value of Collateral Approach [Member] | Fair Value, Measurements, Nonrecurring [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Range, percent	[1]
[1] The range and weighted average of qualitative factors such as economic conditions and estimated liquidation expenses are presented as a percent of the appraised value.

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- Definition

Ratio of the appraised fair value of impaired loans produced by qualitative factors such as economic conditions and estimated liquidation expenses.

+ References

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- Definition

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+ References

No definition available.

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- Definition

Amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 310



-SubTopic 10



-Section 50



-Paragraph 14A



-Subparagraph (b)



-URI http://asc.fasb.org/extlink&oid=49124121&loc=SL6953550-111524

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