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Note 5 - Loans Receivable and Allowance for Loan Losses - Non-accrual Loans (Details) - USD ($) $ in Thousands | Jun. 30, 2018 | Dec. 31, 2017
--- | --- | ---
Business Activities Loans [Member] |  |
Non-accruing loans | $ 6,464 | $ 3,778
Acquired Loans [Member] |  |
Non-accruing loans | 113 |
Commercial Real Estate Portfolio Segment [Member] | Business Activities Loans [Member] |  |
Non-accruing loans | 2,137 |
Commercial Real Estate Portfolio Segment [Member] | Acquired Loans [Member] |  |
Non-accruing loans | 56 |
Residential Portfolio Segment [Member] | Business Activities Loans [Member] |  |
Non-accruing loans | 3,222 | 3,028
Commercial Portfolio Segment [Member] | Business Activities Loans [Member] |  |
Non-accruing loans | 1,025 | 748
Commercial Portfolio Segment [Member] | Acquired Loans [Member] |  |
Non-accruing loans | 48 |
Consumer Portfolio Segment [Member] | Business Activities Loans [Member] |  |
Non-accruing loans | 80 | 2
Consumer Portfolio Segment [Member] | Acquired Loans [Member] |  |
Non-accruing loans | 9 |
Substandard [Member] | Business Activities Loans [Member] |  |
Non-accruing loans | 6,464 | 3,778
Substandard [Member] | Acquired Loans [Member] |  |
Non-accruing loans | 113 |
Substandard [Member] | Commercial Real Estate Portfolio Segment [Member] | Business Activities Loans [Member] |  |
Non-accruing loans | 2,137 |
Substandard [Member] | Commercial Real Estate Portfolio Segment [Member] | Acquired Loans [Member] |  |
Non-accruing loans | 56 |
Substandard [Member] | Residential Portfolio Segment [Member] | Business Activities Loans [Member] |  |
Non-accruing loans | 3,222 | 3,028
Substandard [Member] | Commercial Portfolio Segment [Member] | Business Activities Loans [Member] |  |
Non-accruing loans | 1,025 | 748
Substandard [Member] | Commercial Portfolio Segment [Member] | Acquired Loans [Member] |  |
Non-accruing loans | 48 |
Substandard [Member] | Consumer Portfolio Segment [Member] | Business Activities Loans [Member] |  |
Non-accruing loans | 80 | 2
Substandard [Member] | Consumer Portfolio Segment [Member] | Acquired Loans [Member] |  |
Non-accruing loans | 9 |
Substandard [Member] | Non-Accrual Loans [Member] | Business Activities Loans [Member] |  |
Performing (accruing) loans, past due | 6,464 | 3,778
Performing (accruing) loans, current | 0 | 0
Substandard [Member] | Non-Accrual Loans [Member] | Acquired Loans [Member] |  |
Performing (accruing) loans, past due | 113 |
Performing (accruing) loans, current | 0 |
Substandard [Member] | Non-Accrual Loans [Member] | Commercial Real Estate Portfolio Segment [Member] | Business Activities Loans [Member] |  |
Performing (accruing) loans, past due | 2,137 |
Performing (accruing) loans, current | 0 |
Substandard [Member] | Non-Accrual Loans [Member] | Commercial Real Estate Portfolio Segment [Member] | Acquired Loans [Member] |  |
Performing (accruing) loans, past due | 56 |
Performing (accruing) loans, current | 0 |
Substandard [Member] | Non-Accrual Loans [Member] | Residential Portfolio Segment [Member] | Business Activities Loans [Member] |  |
Performing (accruing) loans, past due | 3,222 | 3,028
Performing (accruing) loans, current | 0 | 0
Substandard [Member] | Non-Accrual Loans [Member] | Commercial Portfolio Segment [Member] | Business Activities Loans [Member] |  |
Performing (accruing) loans, past due | 1,025 | 748
Performing (accruing) loans, current | 0 | 0
Substandard [Member] | Non-Accrual Loans [Member] | Commercial Portfolio Segment [Member] | Acquired Loans [Member] |  |
Performing (accruing) loans, past due | 48 |
Performing (accruing) loans, current | 0 |
Substandard [Member] | Non-Accrual Loans [Member] | Consumer Portfolio Segment [Member] | Business Activities Loans [Member] |  |
Performing (accruing) loans, past due | 80 | 2
Performing (accruing) loans, current | 0 | 0
Substandard [Member] | Non-Accrual Loans [Member] | Consumer Portfolio Segment [Member] | Acquired Loans [Member] |  |
Performing (accruing) loans, past due | 9 |
Performing (accruing) loans, current | 0 |
Financing Receivables, 30 to 59 Days Past Due [Member] | Substandard [Member] | Non-Accrual Loans [Member] | Business Activities Loans [Member] |  |
Performing (accruing) loans, past due | 0 | 0
Financing Receivables, 30 to 59 Days Past Due [Member] | Substandard [Member] | Non-Accrual Loans [Member] | Acquired Loans [Member] |  |
Performing (accruing) loans, past due | 0 |
Financing Receivables, 30 to 59 Days Past Due [Member] | Substandard [Member] | Non-Accrual Loans [Member] | Commercial Real Estate Portfolio Segment [Member] | Business Activities Loans [Member] |  |
Performing (accruing) loans, past due | 0 |
Financing Receivables, 30 to 59 Days Past Due [Member] | Substandard [Member] | Non-Accrual Loans [Member] | Commercial Real Estate Portfolio Segment [Member] | Acquired Loans [Member] |  |
Performing (accruing) loans, past due | 0 |
Financing Receivables, 30 to 59 Days Past Due [Member] | Substandard [Member] | Non-Accrual Loans [Member] | Residential Portfolio Segment [Member] | Business Activities Loans [Member] |  |
Performing (accruing) loans, past due | 0 | 0
Financing Receivables, 30 to 59 Days Past Due [Member] | Substandard [Member] | Non-Accrual Loans [Member] | Commercial Portfolio Segment [Member] | Business Activities Loans [Member] |  |
Performing (accruing) loans, past due | 0 | 0
Financing Receivables, 30 to 59 Days Past Due [Member] | Substandard [Member] | Non-Accrual Loans [Member] | Commercial Portfolio Segment [Member] | Acquired Loans [Member] |  |
Performing (accruing) loans, past due | 0 |
Financing Receivables, 30 to 59 Days Past Due [Member] | Substandard [Member] | Non-Accrual Loans [Member] | Consumer Portfolio Segment [Member] | Business Activities Loans [Member] |  |
Performing (accruing) loans, past due | 0 | 0
Financing Receivables, 30 to 59 Days Past Due [Member] | Substandard [Member] | Non-Accrual Loans [Member] | Consumer Portfolio Segment [Member] | Acquired Loans [Member] |  |
Performing (accruing) loans, past due | 0 |
Financing Receivables, 60 to 89 Days Past Due [Member] | Substandard [Member] | Non-Accrual Loans [Member] | Business Activities Loans [Member] |  |
Performing (accruing) loans, past due | 80 |
Financing Receivables, 60 to 89 Days Past Due [Member] | Substandard [Member] | Non-Accrual Loans [Member] | Acquired Loans [Member] |  |
Performing (accruing) loans, past due |  |
Financing Receivables, 60 to 89 Days Past Due [Member] | Substandard [Member] | Non-Accrual Loans [Member] | Commercial Real Estate Portfolio Segment [Member] | Business Activities Loans [Member] |  |
Performing (accruing) loans, past due | 0 |
Financing Receivables, 60 to 89 Days Past Due [Member] | Substandard [Member] | Non-Accrual Loans [Member] | Commercial Real Estate Portfolio Segment [Member] | Acquired Loans [Member] |  |
Performing (accruing) loans, past due | 0 |
Financing Receivables, 60 to 89 Days Past Due [Member] | Substandard [Member] | Non-Accrual Loans [Member] | Residential Portfolio Segment [Member] | Business Activities Loans [Member] |  |
Performing (accruing) loans, past due | 0 | 0
Financing Receivables, 60 to 89 Days Past Due [Member] | Substandard [Member] | Non-Accrual Loans [Member] | Commercial Portfolio Segment [Member] | Business Activities Loans [Member] |  |
Performing (accruing) loans, past due |  | 0
Financing Receivables, 60 to 89 Days Past Due [Member] | Substandard [Member] | Non-Accrual Loans [Member] | Commercial Portfolio Segment [Member] | Acquired Loans [Member] |  |
Performing (accruing) loans, past due | 0 |
Financing Receivables, 60 to 89 Days Past Due [Member] | Substandard [Member] | Non-Accrual Loans [Member] | Consumer Portfolio Segment [Member] | Business Activities Loans [Member] |  |
Performing (accruing) loans, past due | 80 |
Financing Receivables, 60 to 89 Days Past Due [Member] | Substandard [Member] | Non-Accrual Loans [Member] | Consumer Portfolio Segment [Member] | Acquired Loans [Member] |  |
Performing (accruing) loans, past due |  |
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Substandard [Member] | Non-Accrual Loans [Member] | Business Activities Loans [Member] |  |
Performing (accruing) loans, past due | 6,384 | 3,778
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Substandard [Member] | Non-Accrual Loans [Member] | Acquired Loans [Member] |  |
Performing (accruing) loans, past due | 113 |
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Substandard [Member] | Non-Accrual Loans [Member] | Commercial Real Estate Portfolio Segment [Member] | Business Activities Loans [Member] |  |
Performing (accruing) loans, past due | 2,137 |
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Substandard [Member] | Non-Accrual Loans [Member] | Commercial Real Estate Portfolio Segment [Member] | Acquired Loans [Member] |  |
Performing (accruing) loans, past due | 56 |
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Substandard [Member] | Non-Accrual Loans [Member] | Residential Portfolio Segment [Member] | Business Activities Loans [Member] |  |
Performing (accruing) loans, past due | 3,222 | 3,028
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Substandard [Member] | Non-Accrual Loans [Member] | Commercial Portfolio Segment [Member] | Business Activities Loans [Member] |  |
Performing (accruing) loans, past due | 1,025 | 748
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Substandard [Member] | Non-Accrual Loans [Member] | Commercial Portfolio Segment [Member] | Acquired Loans [Member] |  |
Performing (accruing) loans, past due | 48 |
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Substandard [Member] | Non-Accrual Loans [Member] | Consumer Portfolio Segment [Member] | Business Activities Loans [Member] |  |
Performing (accruing) loans, past due |  | $ 2
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Substandard [Member] | Non-Accrual Loans [Member] | Consumer Portfolio Segment [Member] | Acquired Loans [Member] |  |
Performing (accruing) loans, past due | $ 9 |

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