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Note 5 - Allowance for Credit Losses on Loans and Nonperforming Assets - Allowance for Loan Losses (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2024	Dec. 31, 2023
Balance		$ 9,094	$ 8,225
Charge-offs		(519)	(478)
Recoveries		270	283
Provision for (recovery of) credit losses		1,242	(1,278)
Merger adjustment	[1]	175
Balance		10,262	9,094
Cumulative Effect, Period of Adoption, Adjustment [Member] | Accounting Standards Update 2016-13 [Member]
Balance			2,342
Real Estate Construction Portfolio Segment [Member]
Balance		408	450
Charge-offs		0	0
Recoveries		0	0
Provision for (recovery of) credit losses		(70)	(21)
Merger adjustment	[1]	10
Balance		348	408
Real Estate Construction Portfolio Segment [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] | Accounting Standards Update 2016-13 [Member]
Balance			(21)
Consumer Real Estate Portfolio Segment [Member]
Balance		3,162	2,199
Charge-offs		0	(17)
Recoveries		0	103
Provision for (recovery of) credit losses		667	(384)
Merger adjustment	[1]	97
Balance		3,926	3,162
Consumer Real Estate Portfolio Segment [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] | Accounting Standards Update 2016-13 [Member]
Balance			1,261
Commercial Real Estate Portfolio Segment [Member]
Balance		3,576	3,642
Charge-offs		0	0
Recoveries		53	45
Provision for (recovery of) credit losses		615	(811)
Merger adjustment	[1]	55
Balance		4,299	3,576
Commercial Real Estate Portfolio Segment [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] | Accounting Standards Update 2016-13 [Member]
Balance			700
Commercial Non Real Estate Segment [Member]
Balance		682	930
Charge-offs		(166)	(214)
Recoveries		79	6
Provision for (recovery of) credit losses		56	(256)
Merger adjustment	[1]	4
Balance		655	682
Commercial Non Real Estate Segment [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] | Accounting Standards Update 2016-13 [Member]
Balance			216
Public Sector and IDA Portfolio Segment [Member]
Balance		333	319
Charge-offs		0
Recoveries		0	0
Provision for (recovery of) credit losses		3	29
Merger adjustment	[1]	0
Balance		336	333
Public Sector and IDA Portfolio Segment [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] | Accounting Standards Update 2016-13 [Member]
Balance			(15)
Consumer Non Real Estate Portfolio Segment [Member]
Balance		583	506
Charge-offs		(353)	(247)
Recoveries		138	129
Provision for (recovery of) credit losses		271	123
Merger adjustment	[1]	9
Balance		648	583
Consumer Non Real Estate Portfolio Segment [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] | Accounting Standards Update 2016-13 [Member]
Balance			72
Unallocated Financing Receivables [Member]
Balance		350	179
Charge-offs		0	0
Recoveries		0	0
Provision for (recovery of) credit losses		(300)	42
Merger adjustment	[1]	0
Balance		$ 50	350
Unallocated Financing Receivables [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] | Accounting Standards Update 2016-13 [Member]
Balance			$ 129
[1] Adjustment for PCD acquired loans.

X

- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Subparagraph (c)
-Publisher FASB
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- Definition

Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.

+ References

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