Note 3 - Loans and Allowance for Credit Losses - Past Due and Nonaccrual Loans (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Loans, gross	$ 1,011,135	$ 988,613
Nonaccruals	2,111	2,222
Nonaccruals, no allowance	1,912	2,013
Nonaccruals, with allowance	199	209
Financial Asset, Not Past Due [Member]
Loans, gross	1,003,950	982,894
Financing Receivables 30 to 89 Days Past Due [Member]
Loans, gross	5,053	2,949
Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans, gross	220	757
Loans 90 or more days past due and accruing	21	548
Consumer Real Estate Portfolio Segment [Member]
Loans, gross	317,949	307,855
Real Estate Construction Portfolio Segment [Member]
Loans, gross	44,529	50,798
Commercial Real Estate Portfolio Segment [Member]
Loans, gross	494,755	478,078
Commercial Non Real Estate Segment [Member]
Loans, gross	51,383	51,844
Public Sector and IDA Portfolio Segment [Member]
Loans, gross	56,347	57,171
Nonaccruals	0	0
Public Sector and IDA Portfolio Segment [Member] \| Financial Asset, Not Past Due [Member]
Loans, gross	56,347	57,171
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
Loans 90 or more days past due and accruing	0	0
Consumer Non Real Estate Portfolio Segment [Member]
Loans, gross	46,172	42,867
Construction, 1-4 Family Residential [Member] \| Real Estate Construction Portfolio Segment [Member]
Loans, gross	14,105	16,162
Nonaccruals	0	0
Construction, 1-4 Family Residential [Member] \| Real Estate Construction Portfolio Segment [Member] \| Financial Asset, Not Past Due [Member]
Loans, gross	13,773	16,162
Construction, 1-4 Family Residential [Member] \| Real Estate Construction Portfolio Segment [Member] \| Financing Receivables 30 to 89 Days Past Due [Member]
Loans, gross	332	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
Construction, Other [Member] \| Real Estate Construction Portfolio Segment [Member]
Loans, gross	30,424	34,636
Nonaccruals	0	0
Construction, Other [Member] \| Real Estate Construction Portfolio Segment [Member] \| Financial Asset, Not Past Due [Member]
Loans, gross	30,424	34,636
Construction, Other [Member] \| Real Estate Construction Portfolio Segment [Member] \| Financing Receivables 30 to 89 Days Past Due [Member]
Loans, gross	0	0
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
Equity Lines [Member] \| Consumer Real Estate Portfolio Segment [Member]
Loans, gross	24,232	22,618
Nonaccruals	0	0
Equity Lines [Member] \| Consumer Real Estate Portfolio Segment [Member] \| Financial Asset, Not Past Due [Member]
Loans, gross	24,055	22,551
Equity Lines [Member] \| Consumer Real Estate Portfolio Segment [Member] \| Financing Receivables 30 to 89 Days Past Due [Member]
Loans, gross	177	67
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
Closed End First Liens [Member] \| Consumer Real Estate Portfolio Segment [Member]
Loans, gross	193,950	171,382
Nonaccruals	0	0
Closed End First Liens [Member] \| Consumer Real Estate Portfolio Segment [Member] \| Financial Asset, Not Past Due [Member]
Loans, gross	192,628	170,110
Closed End First Liens [Member] \| Consumer Real Estate Portfolio Segment [Member] \| Financing Receivables 30 to 89 Days Past Due [Member]
Loans, gross	1,322	949
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	0	323
Loans 90 or more days past due and accruing	0	323
Closed End Junior Liens [Member] \| Consumer Real Estate Portfolio Segment [Member]
Loans, gross	9,445	8,574
Nonaccruals	0	0
Closed End Junior Liens [Member] \| Consumer Real Estate Portfolio Segment [Member] \| Financial Asset, Not Past Due [Member]
Loans, gross	9,437	8,565
Closed End Junior Liens [Member] \| Consumer Real Estate Portfolio Segment [Member] \| Financing Receivables 30 to 89 Days Past Due [Member]
Loans, gross	8	9
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
Investor Owned Residential Real Estate [Member] \| Consumer Real Estate Portfolio Segment [Member]
Loans, gross	90,322	105,281
Nonaccruals	0	0
Investor Owned Residential Real Estate [Member] \| Consumer Real Estate Portfolio Segment [Member] \| Financial Asset, Not Past Due [Member]
Loans, gross	90,322	104,756
Investor Owned Residential Real Estate [Member] \| Consumer Real Estate Portfolio Segment [Member] \| Financing Receivables 30 to 89 Days Past Due [Member]
Loans, gross	0	347
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	0	178
Loans 90 or more days past due and accruing	0	178
Multifamily Real Estate [Member] \| Consumer Real Estate Portfolio Segment [Member]
Loans, gross	160,277
Multifamily Real Estate [Member] \| Commercial Real Estate Portfolio Segment [Member]
Loans, gross	160,277	143,630
Nonaccruals	0	0
Multifamily Real Estate [Member] \| Commercial Real Estate Portfolio Segment [Member] \| Financial Asset, Not Past Due [Member]
Loans, gross	160,083	143,444
Multifamily Real Estate [Member] \| Commercial Real Estate Portfolio Segment [Member] \| Financing Receivables 30 to 89 Days Past Due [Member]
Loans, gross	194	186
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	0
Loans 90 or more days past due and accruing	0	0
Commercial Real Estate, Owner Occupied [Member] \| Commercial Real Estate Portfolio Segment [Member]
Loans, gross	138,036	140,653
Nonaccruals	2,111	2,222
Nonaccruals, no allowance	1,912	2,013
Nonaccruals, with allowance	199	209
Commercial Real Estate, Owner Occupied [Member] \| Commercial Real Estate Portfolio Segment [Member] \| Financial Asset, Not Past Due [Member]
Loans, gross	134,950	138,284
Commercial Real Estate, Owner Occupied [Member] \| Commercial Real Estate Portfolio Segment [Member] \| Financing Receivables 30 to 89 Days Past Due [Member]
Loans, gross	975	147
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	199	209
Loans 90 or more days past due and accruing	0	0
Commercial Real Estate Other [Member] \| Commercial Real Estate Portfolio Segment [Member]
Loans, gross	196,442	193,795
Nonaccruals	0	0
Commercial Real Estate Other [Member] \| Commercial Real Estate Portfolio Segment [Member] \| Financial Asset, Not Past Due [Member]
Loans, gross	195,051	193,249
Commercial Real Estate Other [Member] \| Commercial Real Estate Portfolio Segment [Member] \| Financing Receivables 30 to 89 Days Past Due [Member]
Loans, gross	1,391	546
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	0
Loans 90 or more days past due and accruing	0	0
Commercial and Industrial [Member] \| Commercial Non Real Estate Segment [Member]
Loans, gross	51,383	51,844
Nonaccruals	0	0
Commercial and Industrial [Member] \| Commercial Non Real Estate Segment [Member] \| Financial Asset, Not Past Due [Member]
Loans, gross	51,145	51,547
Commercial and Industrial [Member] \| Commercial Non Real Estate Segment [Member] \| Financing Receivables 30 to 89 Days Past Due [Member]
Loans, gross	238	253
Commercial and Industrial [Member] \| Commercial Non Real Estate Segment [Member] \| Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans, gross	0	44
Loans 90 or more days past due and accruing	0	44
Credit Card Receivable [Member] \| Consumer Non Real Estate Portfolio Segment [Member]
Loans, gross	4,993	4,698
Nonaccruals	0	0
Credit Card Receivable [Member] \| Consumer Non Real Estate Portfolio Segment [Member] \| Financial Asset, Not Past Due [Member]
Loans, gross	4,975	4,696
Credit Card Receivable [Member] \| Consumer Non Real Estate Portfolio Segment [Member] \| Financing Receivables 30 to 89 Days Past Due [Member]
Loans, gross	13	2
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	5	0
Loans 90 or more days past due and accruing	5	0
Automobile Loan [Member] \| Consumer Non Real Estate Portfolio Segment [Member]
Loans, gross	12,226	12,995
Nonaccruals	0	0
Automobile Loan [Member] \| Consumer Non Real Estate Portfolio Segment [Member] \| Financial Asset, Not Past Due [Member]
Loans, gross	12,091	12,802
Automobile Loan [Member] \| Consumer Non Real Estate Portfolio Segment [Member] \| Financing Receivables 30 to 89 Days Past Due [Member]
Loans, gross	126	193
Automobile Loan [Member] \| Consumer Non Real Estate Portfolio Segment [Member] \| Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans, gross	9	0
Loans 90 or more days past due and accruing	9	0
Other Consumer Loans [Member] \| Consumer Non Real Estate Portfolio Segment [Member]
Loans, gross	28,953	25,174
Nonaccruals	0	0
Other Consumer Loans [Member] \| Consumer Non Real Estate Portfolio Segment [Member] \| Financial Asset, Not Past Due [Member]
Loans, gross	28,669	24,921
Other Consumer Loans [Member] \| Consumer Non Real Estate Portfolio Segment [Member] \| Financing Receivables 30 to 89 Days Past Due [Member]
Loans, gross	277	250
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	7	3
Loans 90 or more days past due and accruing	$ 7	$ 3

Note 3 - Loans and Allowance for Credit Losses - Past Due and Nonaccrual Loans (Details) - USD ($)
$ in Thousands

Jun. 30, 2025

Dec. 31, 2024

Loans, gross

$ 1,011,135

$ 988,613

Nonaccruals

2,111

2,222

Nonaccruals, no allowance

1,912

2,013