Note 9 - Derivative Financial Instruments and Hedging Activities - Derivative Financial Instruments (Details) - Cash Flow Hedging [Member] - Interest Rate Swap [Member] $ in Thousands	Mar. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)
Notional amount	$ 28,500	$ 28,500
Positions	3	3
Assets	$ 770	$ 1,325
Liabilities	0	0
Cash collateral pledged	$ 850	$ 850

Amount of right to receive cash collateral under master netting arrangements that have not been offset against derivative liabilities.

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Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement.

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