Note 5 - Allowance for Credit Losses on Loans and Nonperforming Assets - Past Due and Nonaccrual Loans (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Loans, gross	$ 988,613	$ 857,175
Gross loans	988,613	857,175
Nonaccruals	2,222	2,629
Nonaccruals, no allowance	2,013	2,177
Nonaccruals, with allowance	209	452
Financial Asset, Not Past Due [Member]
Loans, gross	982,894	852,712
Gross loans	982,894	852,712
Financing Receivables 30 to 89 Days Past Due [Member]
Loans, gross	2,949	1,646
Gross loans	2,949	1,646
Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans, gross	757	419
Loans 90 or more days past due and accruing	548	188
Gross loans	757	419
Consumer Real Estate Portfolio Segment [Member]
Loans, gross	307,855	241,564
Gross loans	307,855	241,564
Real Estate Construction Portfolio Segment [Member]
Loans, gross	50,798	55,379
Gross loans	50,798	55,379
Commercial Real Estate Portfolio Segment [Member]
Loans, gross	478,078	419,130
Gross loans	478,078	419,130
Commercial Non Real Estate Segment [Member]
Loans, gross	51,844	41,555
Gross loans	51,844	41,555
Public Sector and IDA Portfolio Segment [Member]
Loans, gross	57,171	60,551
Gross loans	57,171	60,551
Nonaccruals
Public Sector and IDA Portfolio Segment [Member] | Financial Asset, Not Past Due [Member]
Loans, gross	57,171
Gross loans	57,171
Public Sector and IDA Portfolio Segment [Member] | Financing Receivables 30 to 89 Days Past Due [Member]
Loans, gross
Gross loans
Public Sector and IDA Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans, gross
Loans 90 or more days past due and accruing
Gross loans
Consumer Non Real Estate Portfolio Segment [Member]
Loans, gross	42,867	38,996
Gross loans	42,867	38,996
Construction, 1-4 Family Residential [Member] | Real Estate Construction Portfolio Segment [Member]
Loans, gross	16,162	13,442
Gross loans	16,162	13,442
Nonaccruals	0	0
Construction, 1-4 Family Residential [Member] | Real Estate Construction Portfolio Segment [Member] | Financial Asset, Not Past Due [Member]
Loans, gross	16,162	13,442
Gross loans	16,162	13,442
Construction, 1-4 Family Residential [Member] | Real Estate Construction Portfolio Segment [Member] | Financing Receivables 30 to 89 Days Past Due [Member]
Loans, gross	0	0
Gross loans	0	0
Construction, 1-4 Family Residential [Member] | Real Estate Construction Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans, gross	0	0
Loans 90 or more days past due and accruing	0	0
Gross loans	0	0
Construction, 1-4 Family Residential [Member] | Public Sector and IDA Portfolio Segment [Member]
Loans, gross		60,551
Gross loans		60,551
Nonaccruals		0
Construction, 1-4 Family Residential [Member] | Public Sector and IDA Portfolio Segment [Member] | Financial Asset, Not Past Due [Member]
Loans, gross		60,551
Gross loans		60,551
Construction, 1-4 Family Residential [Member] | Public Sector and IDA Portfolio Segment [Member] | Financing Receivables 30 to 89 Days Past Due [Member]
Loans, gross		0
Gross loans		0
Construction, 1-4 Family Residential [Member] | Public Sector and IDA Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans, gross		0
Loans 90 or more days past due and accruing		0
Gross loans		0
Construction, Other [Member] | Real Estate Construction Portfolio Segment [Member]
Loans, gross	34,636	41,937
Gross loans	34,636	41,937
Nonaccruals	0	0
Construction, Other [Member] | Real Estate Construction Portfolio Segment [Member] | Financial Asset, Not Past Due [Member]
Loans, gross	34,636	41,916
Gross loans	34,636	41,916
Construction, Other [Member] | Real Estate Construction Portfolio Segment [Member] | Financing Receivables 30 to 89 Days Past Due [Member]
Loans, gross	0	21
Gross loans	0	21
Construction, Other [Member] | Real Estate Construction Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans, gross	0	0
Loans 90 or more days past due and accruing	0	0
Gross loans	0	0
Equity Lines [Member] | Consumer Real Estate Portfolio Segment [Member]
Loans, gross	22,618	17,282
Gross loans	22,618	17,282
Nonaccruals	0	0
Equity Lines [Member] | Consumer Real Estate Portfolio Segment [Member] | Financial Asset, Not Past Due [Member]
Loans, gross	22,551	17,178
Gross loans	22,551	17,178
Equity Lines [Member] | Consumer Real Estate Portfolio Segment [Member] | Financing Receivables 30 to 89 Days Past Due [Member]
Loans, gross	67	104
Gross loans	67	104
Equity Lines [Member] | Consumer Real Estate Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans, gross	0	0
Loans 90 or more days past due and accruing	0	0
Gross loans	0	0
Equity Lines [Member] | Real Estate Construction Portfolio Segment [Member]
Loans, gross		17,282
Gross loans		17,282
Closed End First Liens [Member] | Consumer Real Estate Portfolio Segment [Member]
Loans, gross	171,382	125,679
Gross loans	171,382	125,679
Nonaccruals	0	0
Closed End First Liens [Member] | Consumer Real Estate Portfolio Segment [Member] | Financial Asset, Not Past Due [Member]
Loans, gross	170,110	124,886
Gross loans	170,110	124,886
Closed End First Liens [Member] | Consumer Real Estate Portfolio Segment [Member] | Financing Receivables 30 to 89 Days Past Due [Member]
Loans, gross	949	662
Gross loans	949	662
Closed End First Liens [Member] | Consumer Real Estate Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans, gross	323	131
Loans 90 or more days past due and accruing	323	131
Gross loans	323	131
Closed End Junior Liens [Member] | Consumer Real Estate Portfolio Segment [Member]
Loans, gross	8,574	5,039
Gross loans	8,574	5,039
Nonaccruals	0	0
Closed End Junior Liens [Member] | Consumer Real Estate Portfolio Segment [Member] | Financial Asset, Not Past Due [Member]
Loans, gross	8,565	5,027
Gross loans	8,565	5,027
Closed End Junior Liens [Member] | Consumer Real Estate Portfolio Segment [Member] | Financing Receivables 30 to 89 Days Past Due [Member]
Loans, gross	9	12
Gross loans	9	12
Closed End Junior Liens [Member] | Consumer Real Estate Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans, gross	0	0
Loans 90 or more days past due and accruing	0	0
Gross loans	0	0
Investor Owned Residential Real Estate [Member] | Consumer Real Estate Portfolio Segment [Member]
Loans, gross	105,281	93,564
Gross loans	105,281	93,564
Nonaccruals	0	0
Investor Owned Residential Real Estate [Member] | Consumer Real Estate Portfolio Segment [Member] | Financial Asset, Not Past Due [Member]
Loans, gross	104,756	93,564
Gross loans	104,756	93,564
Investor Owned Residential Real Estate [Member] | Consumer Real Estate Portfolio Segment [Member] | Financing Receivables 30 to 89 Days Past Due [Member]
Loans, gross	347	0
Gross loans	347	0
Investor Owned Residential Real Estate [Member] | Consumer Real Estate Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans, gross	178	0
Loans 90 or more days past due and accruing	178	0
Gross loans	178	0
Multifamily Real Estate [Member] | Commercial Real Estate Portfolio Segment [Member]
Loans, gross	143,630	119,247
Gross loans	143,630	119,247
Nonaccruals		0
Multifamily Real Estate [Member] | Commercial Real Estate Portfolio Segment [Member] | Financial Asset, Not Past Due [Member]
Loans, gross	143,444	119,052
Gross loans	143,444	119,052
Multifamily Real Estate [Member] | Commercial Real Estate Portfolio Segment [Member] | Financing Receivables 30 to 89 Days Past Due [Member]
Loans, gross	186	195
Gross loans	186	195
Multifamily Real Estate [Member] | Commercial Real Estate Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans, gross		0
Loans 90 or more days past due and accruing		0
Gross loans		0
Commercial Real Estate, Owner Occupied [Member] | Commercial Real Estate Portfolio Segment [Member]
Loans, gross	140,653	117,221
Gross loans	140,653	117,221
Nonaccruals	2,222	2,408
Nonaccruals, no allowance	2,013	2,177
Nonaccruals, with allowance	209	231
Commercial Real Estate, Owner Occupied [Member] | Commercial Real Estate Portfolio Segment [Member] | Financial Asset, Not Past Due [Member]
Loans, gross	138,284	114,477
Gross loans	138,284	114,477
Commercial Real Estate, Owner Occupied [Member] | Commercial Real Estate Portfolio Segment [Member] | Financing Receivables 30 to 89 Days Past Due [Member]
Loans, gross	147	336
Gross loans	147	336
Commercial Real Estate, Owner Occupied [Member] | Commercial Real Estate Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans, gross	209	231
Loans 90 or more days past due and accruing	0	0
Gross loans	209	231
Commercial Real Estate Other [Member] | Commercial Real Estate Portfolio Segment [Member]
Loans, gross	193,795	182,662
Gross loans	193,795	182,662
Nonaccruals		0
Commercial Real Estate Other [Member] | Commercial Real Estate Portfolio Segment [Member] | Financial Asset, Not Past Due [Member]
Loans, gross	193,249	182,662
Gross loans	193,249	182,662
Commercial Real Estate Other [Member] | Commercial Real Estate Portfolio Segment [Member] | Financing Receivables 30 to 89 Days Past Due [Member]
Loans, gross	546	0
Gross loans	546	0
Commercial Real Estate Other [Member] | Commercial Real Estate Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans, gross		0
Loans 90 or more days past due and accruing		0
Gross loans		0
Commercial and Industrial [Member] | Commercial Non Real Estate Segment [Member]
Loans, gross	51,844	41,555
Gross loans	51,844	41,555
Nonaccruals	0	221
Nonaccruals, with allowance		221
Commercial and Industrial [Member] | Commercial Non Real Estate Segment [Member] | Financial Asset, Not Past Due [Member]
Loans, gross	51,547	41,249
Gross loans	51,547	41,249
Commercial and Industrial [Member] | Commercial Non Real Estate Segment [Member] | Financing Receivables 30 to 89 Days Past Due [Member]
Loans, gross	253	57
Gross loans	253	57
Commercial and Industrial [Member] | Commercial Non Real Estate Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans, gross	44	28
Loans 90 or more days past due and accruing	44	28
Gross loans	44	28
Credit Card Receivable [Member] | Consumer Non Real Estate Portfolio Segment [Member]
Loans, gross	4,698	4,668
Gross loans	4,698	4,668
Nonaccruals		0
Credit Card Receivable [Member] | Consumer Non Real Estate Portfolio Segment [Member] | Financial Asset, Not Past Due [Member]
Loans, gross	4,696	4,648
Gross loans	4,696	4,648
Credit Card Receivable [Member] | Consumer Non Real Estate Portfolio Segment [Member] | Financing Receivables 30 to 89 Days Past Due [Member]
Loans, gross	2	17
Gross loans	2	17
Credit Card Receivable [Member] | Consumer Non Real Estate Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans, gross		3
Loans 90 or more days past due and accruing		3
Gross loans		3
Automobile Loan [Member] | Consumer Non Real Estate Portfolio Segment [Member]
Loans, gross	12,995	12,261
Gross loans	12,995	12,261
Nonaccruals		0
Automobile Loan [Member] | Consumer Non Real Estate Portfolio Segment [Member] | Financial Asset, Not Past Due [Member]
Loans, gross	12,802	12,126
Gross loans	12,802	12,126
Automobile Loan [Member] | Consumer Non Real Estate Portfolio Segment [Member] | Financing Receivables 30 to 89 Days Past Due [Member]
Loans, gross	193	135
Gross loans	193	135
Automobile Loan [Member] | Consumer Non Real Estate Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans, gross		0
Loans 90 or more days past due and accruing		0
Gross loans		0
Other Consumer Loans [Member] | Consumer Non Real Estate Portfolio Segment [Member]
Loans, gross	25,174	22,067
Gross loans	25,174	22,067
Nonaccruals		0
Other Consumer Loans [Member] | Consumer Non Real Estate Portfolio Segment [Member] | Financial Asset, Not Past Due [Member]
Loans, gross	24,921	21,934
Gross loans	24,921	21,934
Other Consumer Loans [Member] | Consumer Non Real Estate Portfolio Segment [Member] | Financing Receivables 30 to 89 Days Past Due [Member]
Loans, gross	250	107
Gross loans	250	107
Other Consumer Loans [Member] | Consumer Non Real Estate Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans, gross	3	26
Loans 90 or more days past due and accruing	3	26
Gross loans	$ 3	$ 26