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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		Mar. 31, 2024	Dec. 31, 2023
Notional amount		$ 9,000	$ 9,000
Derivative Assets		2,672	2,488
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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