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Note 3 - Loans and Allowance for Credit Losses - Past Due and Nonaccrual Loans (Details) - USD ($) $ in Thousands		Jun. 30, 2024	Dec. 31, 2023
Loans, gross		$ 989,898	$ 857,175
Loans 90 or more days past due and accruing		234	188
Nonaccruals		2,507	2,629
Nonaccruals, no allowance		2,087	2,177
Nonaccruals, with allowance		420	452
Financial Asset, Not Past Due [Member]
Loans, gross		984,702	852,712
Financing Receivables 30 to 89 Days Past Due [Member]
Loans, gross	[1]	2,455	1,646
Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans, gross		454	419
Real Estate Construction Portfolio Segment[Member]
Loans, gross		81,355	55,379
Real Estate Construction Portfolio Segment[Member] | Construction, 1-4 Family Residential [Member]
Loans, gross		22,941	13,442
Loans 90 or more days past due and accruing		0	0
Nonaccruals		0	0
Real Estate Construction Portfolio Segment[Member] | Construction, 1-4 Family Residential [Member] | Financial Asset, Not Past Due [Member]
Loans, gross		22,801	13,442
Real Estate Construction Portfolio Segment[Member] | Construction, 1-4 Family Residential [Member] | Financing Receivables 30 to 89 Days Past Due [Member]
Loans, gross		140	0
Real Estate Construction Portfolio Segment[Member] | Construction, 1-4 Family Residential [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans, gross		0	0
Real Estate Construction Portfolio Segment[Member] | Construction, Other [Member]
Loans, gross		58,414	41,937
Loans 90 or more days past due and accruing		0	0
Nonaccruals		0	0
Real Estate Construction Portfolio Segment[Member] | Construction, Other [Member] | Financial Asset, Not Past Due [Member]
Loans, gross		58,264	41,916
Real Estate Construction Portfolio Segment[Member] | Construction, Other [Member] | Financing Receivables 30 to 89 Days Past Due [Member]
Loans, gross	[1]	150	21
Real Estate Construction Portfolio Segment[Member] | Construction, Other [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans, gross		0	0
Real Estate Construction Portfolio Segment[Member] | Equity Lines [Member]
Loans, gross			17,282
Commercial Real Estate Portfolio Segment [Member]
Loans, gross		454,978	419,130
Commercial Real Estate Portfolio Segment [Member] | Commercial Real Estate, Owner Occupied [Member]
Loans, gross		138,148	117,221
Loans 90 or more days past due and accruing		0	0
Nonaccruals		2,307	2,408
Nonaccruals, no allowance		2,087	2,177
Nonaccruals, with allowance		220	231
Commercial Real Estate Portfolio Segment [Member] | Commercial Real Estate, Owner Occupied [Member] | Financial Asset, Not Past Due [Member]
Loans, gross		135,121	114,477
Commercial Real Estate Portfolio Segment [Member] | Commercial Real Estate, Owner Occupied [Member] | Financing Receivables 30 to 89 Days Past Due [Member]
Loans, gross	[1]	720	336
Commercial Real Estate Portfolio Segment [Member] | Commercial Real Estate, Owner Occupied [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans, gross		220	231
Commercial Real Estate Portfolio Segment [Member] | Multifamily Real Estate [Member]
Loans, gross		120,791	119,247
Loans 90 or more days past due and accruing		0	0
Nonaccruals		0	0
Commercial Real Estate Portfolio Segment [Member] | Multifamily Real Estate [Member] | Financial Asset, Not Past Due [Member]
Loans, gross		120,601	119,052
Commercial Real Estate Portfolio Segment [Member] | Multifamily Real Estate [Member] | Financing Receivables 30 to 89 Days Past Due [Member]
Loans, gross		190	195
Commercial Real Estate Portfolio Segment [Member] | Multifamily Real Estate [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans, gross		0	0
Commercial Real Estate Portfolio Segment [Member] | Commercial Real Estate Other [Member]
Loans, gross		196,039	182,662
Loans 90 or more days past due and accruing		0	0
Nonaccruals		0	0
Commercial Real Estate Portfolio Segment [Member] | Commercial Real Estate Other [Member] | Financial Asset, Not Past Due [Member]
Loans, gross		196,039	182,662
Commercial Real Estate Portfolio Segment [Member] | Commercial Real Estate Other [Member] | Financing Receivables 30 to 89 Days Past Due [Member]
Loans, gross		0	0
Commercial Real Estate Portfolio Segment [Member] | Commercial Real Estate Other [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans, gross		0	0
Commercial Non Real Estate Segment [Member]
Loans, gross		52,297	41,555
Commercial Non Real Estate Segment [Member] | Commercial and Industrial [Member]
Loans, gross		52,297	41,555
Loans 90 or more days past due and accruing		46	28
Nonaccruals		200	221
Nonaccruals, no allowance		0	0
Nonaccruals, with allowance		200	221
Commercial Non Real Estate Segment [Member] | Commercial and Industrial [Member] | Financial Asset, Not Past Due [Member]
Loans, gross		51,852	41,249
Commercial Non Real Estate Segment [Member] | Commercial and Industrial [Member] | Financing Receivables 30 to 89 Days Past Due [Member]
Loans, gross	[1]	199	57
Commercial Non Real Estate Segment [Member] | Commercial and Industrial [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans, gross		46	28
Consumer Real Estate Portfolio Segment [Member]
Loans, gross		299,310	241,564
Consumer Real Estate Portfolio Segment [Member] | Equity Lines [Member]
Loans, gross		21,757	17,282
Loans 90 or more days past due and accruing		0	0
Nonaccruals		0	0
Consumer Real Estate Portfolio Segment [Member] | Equity Lines [Member] | Financial Asset, Not Past Due [Member]
Loans, gross		21,751	17,178
Consumer Real Estate Portfolio Segment [Member] | Equity Lines [Member] | Financing Receivables 30 to 89 Days Past Due [Member]
Loans, gross		6	104
Consumer Real Estate Portfolio Segment [Member] | Equity Lines [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans, gross		0	0
Consumer Real Estate Portfolio Segment [Member] | Closed End First Liens [Member]
Loans, gross		164,988	125,679
Loans 90 or more days past due and accruing		118	131
Nonaccruals		0	0
Consumer Real Estate Portfolio Segment [Member] | Closed End First Liens [Member] | Financial Asset, Not Past Due [Member]
Loans, gross		164,517	124,886
Consumer Real Estate Portfolio Segment [Member] | Closed End First Liens [Member] | Financing Receivables 30 to 89 Days Past Due [Member]
Loans, gross	[1]	353	662
Consumer Real Estate Portfolio Segment [Member] | Closed End First Liens [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans, gross		118	131
Consumer Real Estate Portfolio Segment [Member] | Closed End Junior Liens [Member]
Loans, gross		6,593	5,039
Loans 90 or more days past due and accruing		0	0
Nonaccruals		0	0
Consumer Real Estate Portfolio Segment [Member] | Closed End Junior Liens [Member] | Financial Asset, Not Past Due [Member]
Loans, gross		6,582	5,027
Consumer Real Estate Portfolio Segment [Member] | Closed End Junior Liens [Member] | Financing Receivables 30 to 89 Days Past Due [Member]
Loans, gross		11	12
Consumer Real Estate Portfolio Segment [Member] | Closed End Junior Liens [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans, gross		0	0
Consumer Real Estate Portfolio Segment [Member] | Investor Owned Residential Real Estate [Member]
Loans, gross		105,972	93,564
Loans 90 or more days past due and accruing		0	0
Nonaccruals		0	0
Consumer Real Estate Portfolio Segment [Member] | Investor Owned Residential Real Estate [Member] | Financial Asset, Not Past Due [Member]
Loans, gross		105,716	93,564
Consumer Real Estate Portfolio Segment [Member] | Investor Owned Residential Real Estate [Member] | Financing Receivables 30 to 89 Days Past Due [Member]
Loans, gross	[1]	256	0
Consumer Real Estate Portfolio Segment [Member] | Investor Owned Residential Real Estate [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans, gross		0	0
Public Sector and IDA Portfolio Segment[Member]
Loans, gross		59,043	60,551
Loans 90 or more days past due and accruing		0	0
Nonaccruals		0	0
Public Sector and IDA Portfolio Segment[Member] | Financial Asset, Not Past Due [Member]
Loans, gross		59,043	60,551
Public Sector and IDA Portfolio Segment[Member] | Financing Receivables 30 to 89 Days Past Due [Member]
Loans, gross		0	0
Public Sector and IDA Portfolio Segment[Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans, gross		0	0
Consumer Non Real Estate Portfolio Segment [Member]
Loans, gross		42,915	38,996
Consumer Non Real Estate Portfolio Segment [Member] | Credit Card Receivable [Member]
Loans, gross		4,765	4,668
Loans 90 or more days past due and accruing		0	3
Nonaccruals		0	0
Consumer Non Real Estate Portfolio Segment [Member] | Credit Card Receivable [Member] | Financial Asset, Not Past Due [Member]
Loans, gross		4,763	4,648
Consumer Non Real Estate Portfolio Segment [Member] | Credit Card Receivable [Member] | Financing Receivables 30 to 89 Days Past Due [Member]
Loans, gross	[1]	2	17
Consumer Non Real Estate Portfolio Segment [Member] | Credit Card Receivable [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans, gross		0	3
Consumer Non Real Estate Portfolio Segment [Member] | Automobile Loan [Member]
Loans, gross		13,759	12,261
Loans 90 or more days past due and accruing		13	0
Nonaccruals		0	0
Consumer Non Real Estate Portfolio Segment [Member] | Automobile Loan [Member] | Financial Asset, Not Past Due [Member]
Loans, gross		13,482	12,126
Consumer Non Real Estate Portfolio Segment [Member] | Automobile Loan [Member] | Financing Receivables 30 to 89 Days Past Due [Member]
Loans, gross	[1]	264	135
Consumer Non Real Estate Portfolio Segment [Member] | Automobile Loan [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans, gross		13	0
Consumer Non Real Estate Portfolio Segment [Member] | Other Consumer Loans [Member]
Loans, gross		24,391	22,067
Loans 90 or more days past due and accruing		57	26
Nonaccruals		0	0
Consumer Non Real Estate Portfolio Segment [Member] | Other Consumer Loans [Member] | Financial Asset, Not Past Due [Member]
Loans, gross		24,170	21,934
Consumer Non Real Estate Portfolio Segment [Member] | Other Consumer Loans [Member] | Financing Receivables 30 to 89 Days Past Due [Member]
Loans, gross	[1]	164	107
Consumer Non Real Estate Portfolio Segment [Member] | Other Consumer Loans [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans, gross		$ 57	$ 26
[1] Includes accruing and nonaccrual loans past due 90 days or more.

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- Definition

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

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