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Note 5 - Credit Quality - Loans Modified as Troubled Debt Restructurings (Details) $ in Thousands | 12 Months Ended
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Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($)
TDRs |  |  | $ 8,436
Loans modified | [1] |  | $ 513
Total contracts |  |  | 6
Pre-modification recorded investment |  |  | $ 525
Financial Asset, Not Past Due [Member] |  |  |
Loans modified |  | $ 1,792 |
Financial Asset, 30 to 89 Days Past Due [Member] |  |  |
Loans modified |  | 254 |
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |  |
Loans modified |  | 0 |
Non-farm, Non-residential [Member] | Financial Asset, Not Past Due [Member] |  |  |
Loans modified |  | 662 |
Non-farm, Non-residential [Member] | Financial Asset, 30 to 89 Days Past Due [Member] |  |  |
Loans modified |  | 0 |
Non-farm, Non-residential [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |  |
Loans modified |  | 0 |
Single Family Owner Occupied [Member] | Financial Asset, Not Past Due [Member] |  |  |
Loans modified |  | 864 |
Single Family Owner Occupied [Member] | Financial Asset, 30 to 89 Days Past Due [Member] |  |  |
Loans modified |  | 254 |
Single Family Owner Occupied [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |  |
Loans modified |  | 0 |
Single Family Non-owner Occupied [Member] | Financial Asset, Not Past Due [Member] |  |  |
Loans modified |  | 89 |
Single Family Non-owner Occupied [Member] | Financial Asset, 30 to 89 Days Past Due [Member] |  |  |
Loans modified |  |  |
Single Family Non-owner Occupied [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |  |
Loans modified |  |  |
Commercial and Industrial [Member] | Financial Asset, Not Past Due [Member] |  |  |
Loans modified |  | 171 |
Commercial and Industrial [Member] | Financial Asset, 30 to 89 Days Past Due [Member] |  |  |
Loans modified |  |  |
Commercial and Industrial [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |  |
Loans modified |  |  |
Consumer Loans [Member] | Financial Asset, Not Past Due [Member] |  |  |
Loans modified |  | 6 |
Consumer Loans [Member] | Financial Asset, 30 to 89 Days Past Due [Member] |  |  |
Loans modified |  | 0 |
Consumer Loans [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |  |
Loans modified |  | 0 |
Below Market Interest Rate [Member] | Single Family Owner Occupied [Member] |  |  |
Loans modified | [1] |  | $ 32
Total contracts |  |  | 1
Pre-modification recorded investment |  |  | $ 31
Below Market Interest Rate and Extended Payment Term [Member] |  |  |
Loans modified | [1] |  | $ 0
Total contracts |  |  | 0
Pre-modification recorded investment |  |  | $ 0
Below Market Interest Rate and Extended Payment Term [Member] | Single Family Owner Occupied [Member] |  |  |
Loans modified | [1] |  | $ 0
Total contracts |  |  | 0
Pre-modification recorded investment |  |  | $ 0
Below Market Interest Rate and Extended Payment Term [Member] | Single Family Non-owner Occupied [Member] |  |  |
Loans modified | [1] |  | $ 0
Total contracts |  |  | 0
Pre-modification recorded investment |  |  | $ 0
Payment Deferral [Member] |  |  |
TDRs |  | 1,470 |
Loans modified | [1] |  | $ 481
Total contracts |  |  | 5
Pre-modification recorded investment |  |  | $ 494
Payment Deferral [Member] | Non-farm, Non-residential [Member] |  |  |
TDRs |  | $ 662 |
Percentage of total financing receivable |  | 0.07% |
Payment Deferral [Member] | Single Family Owner Occupied [Member] |  |  |
TDRs |  | $ 548 |
Percentage of total financing receivable |  | 0.08% |
Payment Deferral [Member] | Single Family Non-owner Occupied [Member] |  |  |
TDRs |  | $ 89 |
Percentage of total financing receivable |  | 0.04% |
Payment Deferral [Member] | Commercial and Industrial [Member] |  |  |
TDRs |  | $ 171 |
Percentage of total financing receivable |  | 0.08% |
Payment Deferral [Member] | Single Family Owner Occupied [Member] |  |  |
Loans modified |  |  | $ 481
Total contracts |  |  | 5
Pre-modification recorded investment |  |  | $ 494
Payment Deferral [Member] | Single Family Non-owner Occupied [Member] |  |  |
Loans modified | [1] |  | $ 0
Total contracts |  |  | 0
Pre-modification recorded investment |  |  | $ 0
Extended Maturity [Member] |  |  |
TDRs |  | $ 6 |
Extended Maturity [Member] | Consumer Loans [Member] |  |  |
TDRs |  | $ 6 |
Percentage of total financing receivable |  | 0.01% |
Extended Maturity [Member] | Consumer Loans [Member] | Minimum [Member] |  |  |
Extended term (Month) |  | 60 months |
Extended Maturity [Member] | Consumer Loans [Member] | Maximum [Member] |  |  |
Extended term (Month) |  | 84 months |
Principal Forgiveness [Member] |  |  |
TDRs |  | $ 5 |
Principal Forgiveness [Member] | Single Family Owner Occupied [Member] |  |  |
TDRs |  | $ 5 |
Percentage of total financing receivable |  | 0.00% |
Term Extension and Rate Reduction [Member] |  |  |
TDRs |  | $ 565 |
Term Extension and Rate Reduction [Member] | Single Family Owner Occupied [Member] |  |  |
TDRs |  | $ 565 |
Percentage of total financing receivable |  | 0.08% |
[1] | Represents the loan balance immediately following modification

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