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Note 10 - Derivative Financial Instruments - Derivative Instruments Components (Details) - Interest Rate Swap [Member] - Designated as Hedging Instrument [Member] - USD ($) $ in Thousands | Sep. 30, 2023 | Dec. 31, 2022
--- | --- | ---
Notional amount |  | $ 9,000 | $ 9,000
Derivative Assets |  | 3,065 | 2,679
Derivative liabilities |  | 0 | 0
Interest rate swap contracts | [1] | $ 0 | $ 0
[1] | Collateral pledged may be comprised of cash or securities.

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