Note 5 - Loans and Leases - Change in Allowance (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023
Beginning balance	$ 18,806	$ 17,149
Charge-offs	(950)	(874)
Recoveries	485	296
Provision for credit losses on loans	1,325	1,491
Ending balance	19,666	18,806
Initial allowance on loans purchased with credit deterioration		126
Cumulative Effect, Period of Adoption, Adjustment [Member]
Beginning balance		618
Commercial Portfolio Segment [Member]
Beginning balance	1,850	2,924
Charge-offs	(399)	(320)
Recoveries	12	57
Provision for credit losses on loans	882	(1,089)
Ending balance	2,345	1,850
Initial allowance on loans purchased with credit deterioration		0
Commercial Portfolio Segment [Member] \| Cumulative Effect, Period of Adoption, Adjustment [Member]
Beginning balance		278
Commercial Real Estate Portfolio Segment [Member]
Beginning balance	8,835	7,162
Charge-offs	(132)	(91)
Recoveries	352	44
Provision for credit losses on loans	(112)	838
Ending balance	8,943	8,835
Initial allowance on loans purchased with credit deterioration		126
Commercial Real Estate Portfolio Segment [Member] \| Cumulative Effect, Period of Adoption, Adjustment [Member]
Beginning balance		756
Consumer Portfolio Segment [Member]
Beginning balance	2,391	2,827
Charge-offs	(419)	(463)
Recoveries	76	165
Provision for credit losses on loans	329	409
Ending balance	2,377	2,391
Initial allowance on loans purchased with credit deterioration		0
Consumer Portfolio Segment [Member] \| Cumulative Effect, Period of Adoption, Adjustment [Member]
Beginning balance		(547)
Residential Portfolio Segment [Member]
Beginning balance	5,694	4,169
Charge-offs	0	0
Recoveries	45	30
Provision for credit losses on loans	250	1,297
Ending balance	5,989	5,694
Initial allowance on loans purchased with credit deterioration		0
Residential Portfolio Segment [Member] \| Cumulative Effect, Period of Adoption, Adjustment [Member]
Beginning balance		198
Unallocated Financing Receivables [Member]
Beginning balance	36	67
Charge-offs	0	0
Recoveries	0	0
Provision for credit losses on loans	(24)	36
Ending balance	$ 12	36
Initial allowance on loans purchased with credit deterioration		0
Unallocated Financing Receivables [Member] \| Cumulative Effect, Period of Adoption, Adjustment [Member]
Beginning balance		$ (67)

Amount of increase in allowance for credit loss on financing receivable purchased with credit deterioration.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
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Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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