Note 3 - Loans and Allowance for Credit Losses - Activity in Allowance for Loan Losses and the Recorded Investments in Loans (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Balance	$ 49,914	$ 42,246	$ 35,363
Provision for credit losses	7,400	7,700	6,550
Charge-offs	(3,837)	(863)	(292)
Recoveries	977	831	1,025
Balance	54,454	49,914	42,246
Cumulative Effect, Period of Adoption, Adjustment [Member] \| Accounting Standards Update 2016-13 [Member]
Balance			(400)
Revision of Prior Period, Reclassification, Adjustment [Member]
Balance		0
Balance			0
Revision of Prior Period, After Reclassification [Member]
Balance		42,246
Balance			42,246
Commercial Portfolio Segment [Member]
Charge-offs	(3,750)	(272)
Commercial Portfolio Segment [Member] \| Commercial and Industrial [Member]
Balance	7,441	10,203	10,782
Provision for credit losses	7,109	(2,822)	946
Charge-offs	(3,750)	(218)	(171)
Recoveries	365	188	217
Balance	11,165	7,441	10,203
Commercial Portfolio Segment [Member] \| Commercial and Industrial [Member] \| Cumulative Effect, Period of Adoption, Adjustment [Member] \| Accounting Standards Update 2016-13 [Member]
Balance			(1,571)
Commercial Portfolio Segment [Member] \| Commercial and Industrial [Member] \| Revision of Prior Period, Reclassification, Adjustment [Member]
Balance		90
Balance			90
Commercial Portfolio Segment [Member] \| Commercial and Industrial [Member] \| Revision of Prior Period, After Reclassification [Member]
Balance		10,293
Balance			10,293
Commercial Portfolio Segment [Member] \| Vacant Land and Land Development and Residential Construction Loan [Member]
Balance	384	490	420
Provision for credit losses	(22)	(141)	138
Charge-offs	0	0	(29)
Recoveries	5	35	4
Balance	367	384	490
Commercial Portfolio Segment [Member] \| Vacant Land and Land Development and Residential Construction Loan [Member] \| Cumulative Effect, Period of Adoption, Adjustment [Member] \| Accounting Standards Update 2016-13 [Member]
Balance			(43)
Commercial Portfolio Segment [Member] \| Vacant Land and Land Development and Residential Construction Loan [Member] \| Revision of Prior Period, Reclassification, Adjustment [Member]
Balance		0
Balance			0
Commercial Portfolio Segment [Member] \| Vacant Land and Land Development and Residential Construction Loan [Member] \| Revision of Prior Period, After Reclassification [Member]
Balance		490
Balance			490
Commercial Portfolio Segment [Member] \| Real Estate Owner Occupied Loan [Member]
Balance	7,186	5,914	6,045
Provision for credit losses	314	1,255	378
Charge-offs	0	(54)	(38)
Recoveries	171	71	89
Balance	7,671	7,186	5,914
Commercial Portfolio Segment [Member] \| Real Estate Owner Occupied Loan [Member] \| Cumulative Effect, Period of Adoption, Adjustment [Member] \| Accounting Standards Update 2016-13 [Member]
Balance			(560)
Commercial Portfolio Segment [Member] \| Real Estate Owner Occupied Loan [Member] \| Revision of Prior Period, Reclassification, Adjustment [Member]
Balance		0
Balance			0
Commercial Portfolio Segment [Member] \| Real Estate Owner Occupied Loan [Member] \| Revision of Prior Period, After Reclassification [Member]
Balance		5,914
Balance			5,914
Commercial Portfolio Segment [Member] \| Real Estate Non Owner Occupied Loan [Member]
Balance	9,852	9,242	12,990
Provision for credit losses	1,067	610	(1,214)
Charge-offs	0	0	0
Recoveries	0	0	0
Balance	10,919	9,852	9,242
Commercial Portfolio Segment [Member] \| Real Estate Non Owner Occupied Loan [Member] \| Cumulative Effect, Period of Adoption, Adjustment [Member] \| Accounting Standards Update 2016-13 [Member]
Balance			(2,534)
Commercial Portfolio Segment [Member] \| Real Estate Non Owner Occupied Loan [Member] \| Revision of Prior Period, Reclassification, Adjustment [Member]
Balance		0
Balance			0
Commercial Portfolio Segment [Member] \| Real Estate Non Owner Occupied Loan [Member] \| Revision of Prior Period, After Reclassification [Member]
Balance		9,242
Balance			9,242
Commercial Portfolio Segment [Member] \| Real Estate Multi Family and Residential Rental Loan [Member]
Balance	3,184	2,191	2,006
Provision for credit losses	468	967	763
Charge-offs	0	0	0
Recoveries	15	26	43
Balance	3,667	3,184	2,191
Commercial Portfolio Segment [Member] \| Real Estate Multi Family and Residential Rental Loan [Member] \| Cumulative Effect, Period of Adoption, Adjustment [Member] \| Accounting Standards Update 2016-13 [Member]
Balance			(621)
Commercial Portfolio Segment [Member] \| Real Estate Multi Family and Residential Rental Loan [Member] \| Revision of Prior Period, Reclassification, Adjustment [Member]
Balance		0
Balance			0
Commercial Portfolio Segment [Member] \| Real Estate Multi Family and Residential Rental Loan [Member] \| Revision of Prior Period, After Reclassification [Member]
Balance		2,191
Balance			2,191
Retail Portfolio Segment [Member]
Charge-offs	(87)	(591)
Retail Portfolio Segment [Member] \| One to Four Family Mortgages [Member]
Balance	18,986	14,027	2,449
Provision for credit losses	(474)	5,638	5,621
Charge-offs	(33)	(414)	(33)
Recoveries	223	432	595
Balance	18,702	18,986	14,027
Retail Portfolio Segment [Member] \| One to Four Family Mortgages [Member] \| Cumulative Effect, Period of Adoption, Adjustment [Member] \| Accounting Standards Update 2016-13 [Member]
Balance			5,395
Retail Portfolio Segment [Member] \| One to Four Family Mortgages [Member] \| Revision of Prior Period, Reclassification, Adjustment [Member]
Balance		(697)
Balance			(697)
Retail Portfolio Segment [Member] \| One to Four Family Mortgages [Member] \| Revision of Prior Period, After Reclassification [Member]
Balance		13,330
Balance			13,330
Retail Portfolio Segment [Member] \| Other Consumer Loans [Member]
Balance	2,881	160	626
Provision for credit losses	(1,089)	2,212	(111)
Charge-offs	(54)	(177)	(21)
Recoveries	198	79	77
Balance	1,936	2,881	160
Retail Portfolio Segment [Member] \| Other Consumer Loans [Member] \| Cumulative Effect, Period of Adoption, Adjustment [Member] \| Accounting Standards Update 2016-13 [Member]
Balance			(411)
Retail Portfolio Segment [Member] \| Other Consumer Loans [Member] \| Revision of Prior Period, Reclassification, Adjustment [Member]
Balance		607
Balance			607
Retail Portfolio Segment [Member] \| Other Consumer Loans [Member] \| Revision of Prior Period, After Reclassification [Member]
Balance		767
Balance			767
Unallocated Financing Receivables [Member]
Balance	0	19	45
Provision for credit losses	27	(19)	29
Charge-offs	0	0	0
Recoveries	0	0	0
Balance	$ 27	0	19
Unallocated Financing Receivables [Member] \| Cumulative Effect, Period of Adoption, Adjustment [Member] \| Accounting Standards Update 2016-13 [Member]
Balance			(55)
Unallocated Financing Receivables [Member] \| Revision of Prior Period, Reclassification, Adjustment [Member]
Balance		0
Balance			0
Unallocated Financing Receivables [Member] \| Revision of Prior Period, After Reclassification [Member]
Balance		$ 19
Balance			$ 19

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

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