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Note 7 - Loans (Details) - Troubled Debt Restructuring | 6 Months Ended
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Jun. 30, 2015 USD ($) | Jun. 30, 2014 USD ($)
Note 7 - Loans (Details) - Troubled Debt Restructuring [Line Items] |  |
No. of Loans | 9 | 6
Pre-Modification Recorded Investment | $ 16,783,000 | $ 9,883,000
Post-Modification Recorded Investment | 16,635,000 | 9,883,000
Charge-offs | 148,000 |
Special Reserve | $ 83,000 | $ 52,000
Commercial Portfolio Segment [Member] |  |
Note 7 - Loans (Details) - Troubled Debt Restructuring [Line Items] |  |
No. of Loans | 1 | 3
Pre-Modification Recorded Investment | $ 850,000 | $ 8,490,000
Post-Modification Recorded Investment | 850,000 | 8,490,000
Charge-offs | $ 598,000 |
Special Reserve |  | $ 20,000
Commercial Real Estate Portfolio Segment [Member] |  |
Note 7 - Loans (Details) - Troubled Debt Restructuring [Line Items] |  |
No. of Loans | 4 |
Pre-Modification Recorded Investment | $ 14,411,000 |
Post-Modification Recorded Investment | 14,411,000 |
Special Reserve | $ 40,000 |
Residential Mortgage and Equity Lines Portfolio Segment [Member] |  |
Note 7 - Loans (Details) - Troubled Debt Restructuring [Line Items] |  |
No. of Loans | 4 | 3
Pre-Modification Recorded Investment | $ 1,522,000 | $ 1,393,000
Post-Modification Recorded Investment | 1,374,000 | 1,393,000
Charge-offs | 148,000 |
Special Reserve | $ 43,000 | $ 32,000

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- Definition Number of financing receivables that have been modified by troubled debt restructurings. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 33 -URI http://asc.fasb.org/extlink&oid=49124121&loc=SL6953676-111524 + Details
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- Definition Post-modification amount of investment in financing receivables modified by troubled debt restructurings. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 33 -URI http://asc.fasb.org/extlink&oid=49124121&loc=SL6953676-111524 + Details
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- Definition Pre-modification amount of investment in financing receivables modified by troubled debt restructurings. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 33 -URI http://asc.fasb.org/extlink&oid=49124121&loc=SL6953676-111524 + Details
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- Definition Reflects the amount of the write-down related to a troubled debt restructuring. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 40 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=25495931&loc=d3e18845-111554 + Details
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