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Note 3 - Loans and Allowance for Loan Losses (Details) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2015 USD ($) | Dec. 31, 2014 USD ($) | Dec. 31, 2013 USD ($)
Note 3 - Loans and Allowance for Loan Losses (Details) [Line Items] |  |  |
Allowance for Loan and Lease Losses, Period Increase (Decrease) | $ 93 |  |
Allowance for Loan and Lease Losses, Write-offs | $ 1,422 |  |
Percentage of Loan Portfolio | 100.00% | 100.00% |
Impaired Financing Receivable, Related Allowance | $ 2,164 | $ 3,412 | $ 2,625
Loans and Leases Receivable, Impaired, Commitment to Lend | $ 995 | $ 1,871 |
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | 0 | 0 |
Minimum Loan Balance for Loans Evaluated by Risk Categories | $ 500 |  |
Specific Reserves [Member] |  |  |
Note 3 - Loans and Allowance for Loan Losses (Details) [Line Items] |  |  |
Allowance for Loan and Lease Losses, Write-offs | 1,304 |  |
Troubled Debt Restructurings [Member] |  |  |
Note 3 - Loans and Allowance for Loan Losses (Details) [Line Items] |  |  |
Allowance for Loan and Lease Losses, Period Increase (Decrease) |  | $ 623 |
Allowance for Loan and Lease Losses, Write-offs |  | $ 0 |
Increase (Decrease) in Other Loans | $ (2,044) |  |
Change in Troubled Debt Restructurings | 11.30% |  |
Percentage of Loan Portfolio | 81.00% | 77.00% |
Impaired Financing Receivable, Related Allowance | $ 1,669 | $ 2,998 |
Unsecured [Member] |  |  |
Note 3 - Loans and Allowance for Loan Losses (Details) [Line Items] |  |  |
Percentage of Loan Portfolio | 6.06% | 5.66% |
Residential Portfolio Segment [Member] |  |  |
Note 3 - Loans and Allowance for Loan Losses (Details) [Line Items] |  |  |
Real Estate Acquired Through Foreclosure | $ 1,131 | $ 368 |
Mortgage Loans in Process of Foreclosure, Amount | $ 988 | $ 1,692 |
Percentage of Loan Portfolio | 38.22% | 37.60% |
Impaired Financing Receivable, Related Allowance |  |  | 93
Commercial Real Estate Portfolio Segment [Member] |  |  |
Note 3 - Loans and Allowance for Loan Losses (Details) [Line Items] |  |  |
Proceeds from Loans | $ 3,127 |  |
Percentage of Loan Portfolio | 28.90% | 29.86% |
Commercial Portfolio Segment [Member] |  |  |
Note 3 - Loans and Allowance for Loan Losses (Details) [Line Items] |  |  |
Financing Receivable, Modifications, Post-Modification Recorded Investment | $ 1,157 |  |
Percentage of Loan Portfolio | 13.99% | 14.12% |
Impaired Financing Receivable, Related Allowance | $ 1,850 | $ 900 | $ 864

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- Definition Amount of increase (decrease) of allowance reserve for credit loss. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.7(d)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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- Definition Amount of loans and leases that have been written off from both loan receivables and allowance reserve for credit loss. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=49124121&loc=SL6953423-111524 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.7(d)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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