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Note 4 - Allowance for Credit Losses - Allowance by Impairment Methodology and Loans by Impairment Methodology (Details) - USD ($) $ in Thousands	6 Months Ended		12 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023
Balance	$ 11,974	$ 7,446	$ 7,446
Charge-offs	(934)	(1,085)	(3,993)
Recoveries	89	266	418
Provision for (recovery of) credit losses on loans	1,424	45	5,917
Balance	12,553	8,858	11,974
Individually evaluated	3,750	0	2,705
Collectively evaluated	8,803	8,858	9,269
Loans	989,976	930,194	969,430
Individually evaluated	8,630	677	6,763
Collectively evaluated	981,346	929,517	962,667
Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member]
Balance		2,186	2,186
Real Estate 1 [Member] | Construction and Land Development [Member]
Balance	312	546	546
Charge-offs	(4)	0	0
Recoveries	0	1	0
Provision for (recovery of) credit losses on loans	39	68	79
Balance	347	302	312
Individually evaluated	0	0	0
Collectively evaluated	347	302	312
Loans	60,919	49,282	52,680
Individually evaluated	36	40	38
Collectively evaluated	60,883	49,242	52,642
Real Estate 1 [Member] | Construction and Land Development [Member] | Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member]
Balance		(313)	(313)
Real Estate 1 [Member] | Secured by Multi-family Residential Properties [Member]
Balance	3,159	1,108	1,108
Charge-offs	(10)	0	(59)
Recoveries	5	9	47
Provision for (recovery of) credit losses on loans	(466)	77	654
Balance	2,688	2,603	3,159
Individually evaluated	0	0	0
Collectively evaluated	2,688	2,603	3,159
Loans	346,977	337,601	344,369
Individually evaluated	749	567	495
Collectively evaluated	346,228	337,034	343,874
Real Estate 1 [Member] | Secured by Multi-family Residential Properties [Member] | Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member]
Balance		1,409	1,409
Real Estate 1 [Member] | Other Real Estate Loans [Member]
Balance	4,698	3,609	3,609
Charge-offs	0	0	(34)
Recoveries	1	13	14
Provision for (recovery of) credit losses on loans	141	(80)	(593)
Balance	4,840	5,244	4,698
Individually evaluated	0	0	0
Collectively evaluated	4,840	5,244	4,698
Loans	449,768	421,970	447,272
Individually evaluated	0	70	0
Collectively evaluated	449,768	421,900	447,272
Real Estate 1 [Member] | Other Real Estate Loans [Member] | Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member]
Balance		1,702	1,702
Commercial and Industrial Loans [Member]
Balance	3,706	1,874	1,874
Charge-offs	(756)	(877)	(3,452)
Recoveries	16	144	145
Provision for (recovery of) credit losses on loans	1,596	(137)	5,526
Balance	4,562	617	3,706
Individually evaluated	3,750	0	2,705
Collectively evaluated	809	617	1,001
Loans	116,299	112,803	113,074
Individually evaluated	7,845	0	6,230
Collectively evaluated	108,454	112,803	106,844
Commercial and Industrial Loans [Member] | Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member]
Balance		(387)	(387)
Consumer and Other Loans [Member]
Balance	99	309	309
Charge-offs	(164)	(208)	(448)
Recoveries	67	99	212
Provision for (recovery of) credit losses on loans	114	117	251
Balance	116	92	99
Individually evaluated	0	0	0
Collectively evaluated	119	92	99
Loans	16,013	8,538	12,035
Individually evaluated	0	0	0
Collectively evaluated	$ 16,013	8,538	12,035
Consumer and Other Loans [Member] | Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member]
Balance		$ (225)	$ (225)

X

- Definition

Amount of valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment.

+ References

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The valuation allowance for financing receivables that are expected to be uncollectible that were collectively evaluated for impairment.

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- Definition

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Amount of increase in allowance for credit loss on financing receivable from recovery.

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Amount of writeoff of financing receivable, charged against allowance for credit loss.

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- Definition

Amount of financing receivable collectively evaluated for credit loss. Excludes financing receivable individually evaluated for credit loss.

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- Definition

Amortized cost, before allowance for credit loss, of financing receivable. Excludes financing receivable covered under loss sharing agreement and net investment in lease.

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- Definition

Amount of credit loss expense (reversal of expense) for financing receivable.

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