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Note 12 - Fair Value and Interest Rate Risk (Details) - Financial Assets Measured at Fair Value on a Non-Recurring Basis - USD ($) $ in Thousands | Sep. 30, 2015 | Dec. 31, 2014
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Note 12 - Fair Value and Interest Rate Risk (Details) - Financial Assets Measured at Fair Value on a Non-Recurring Basis [Line Items] |  |
Impaired loans | $ 11,727 | $ 11,724
Impaired Loans [Member] | Fair Value, Measurements, Nonrecurring [Member] |  |
Note 12 - Fair Value and Interest Rate Risk (Details) - Financial Assets Measured at Fair Value on a Non-Recurring Basis [Line Items] |  |
Impaired loans | 380 | 859
Fair Value, Inputs, Level 3 [Member] | Impaired Loans [Member] | Fair Value, Measurements, Nonrecurring [Member] |  |
Note 12 - Fair Value and Interest Rate Risk (Details) - Financial Assets Measured at Fair Value on a Non-Recurring Basis [Line Items] |  |
Impaired loans | $ 380 | $ 859

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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 + Details
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