Note 8 - Retail Loans by Credit Quality (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Financing Receivable Recorded Investment [Line Items]
Total	$ 1,162,811	$ 1,093,771
Retail Portfolio Segment [Member] | Family Residential Mortgages [Member]
Financing Receivable Recorded Investment [Line Items]
Originated current year-2024	2,991	12,641
Originated prior year-2023	12,544	14,635
Originated two years prior year-2022	14,416	30,495
Originated three years prior year	29,272	20,304
Originated four years prior year	19,589	4,526
Prior	29,751	26,305
Revolving	0	0
Total	108,563	108,906
Retail Portfolio Segment [Member] | Construction - Individual [Member]
Financing Receivable Recorded Investment [Line Items]
Originated current year-2024	0	0
Originated prior year-2023	0	0
Originated two years prior year-2022	0	0
Originated three years prior year	0	0
Originated four years prior year	0	0
Prior	0	0
Revolving	0	0
Total	0	0
Retail Portfolio Segment [Member] | Revolving Home Equity Secured By 1-4 Family Properties-Personal [Member]
Financing Receivable Recorded Investment [Line Items]
Originated current year-2024	0	0
Originated prior year-2023	0	0
Originated two years prior year-2022	0	0
Originated three years prior year	0	0
Originated four years prior year	0	0
Prior	0	0
Revolving	46,408	34,231
Total	46,408	34,231
Retail Portfolio Segment [Member] | Real Estate Secured By First Lein on 1-4 Family Properties-Personal [Member]
Financing Receivable Recorded Investment [Line Items]
Originated current year-2024	484	2,591
Originated prior year-2023	755	1,613
Originated two years prior year-2022	1,136	2,933
Originated three years prior year	1,125	1,030
Originated four years prior year	927	931
Prior	2,824	2,883
Revolving	0	0
Total	7,251	11,981
Retail Portfolio Segment [Member] | Real Estate Secured By Junior Lien on 1-4 Family Properties-Personal [Member]
Financing Receivable Recorded Investment [Line Items]
Originated current year-2024	2,825	6,438
Originated prior year-2023	3,594	1,632
Originated two years prior year-2022	993	2,184
Originated three years prior year	1,079	1,180
Originated four years prior year	1,053	676
Prior	3,164	3,515
Revolving	0	0
Total	12,708	15,625
Retail Portfolio Segment [Member] | Student Loans [Member]
Financing Receivable Recorded Investment [Line Items]
Originated current year-2024	0	0
Originated prior year-2023	0	0
Originated two years prior year-2022	0	0
Originated three years prior year	0	0
Originated four years prior year	0	0
Prior	1,602	1,662
Revolving	0	0
Total	1,602	1,662
Retail Portfolio Segment [Member] | Overdrafts [Member]
Financing Receivable Recorded Investment [Line Items]
Originated current year-2024	0	0
Originated prior year-2023	0	0
Originated two years prior year-2022	0	0
Originated three years prior year	0	0
Originated four years prior year	0	0
Prior	0	0
Revolving	149	194
Total	149	194
Retail Portfolio Segment [Member] | Other Consumer [Member]
Financing Receivable Recorded Investment [Line Items]
Originated current year-2024	358	793
Originated prior year-2023	616	290
Originated two years prior year-2022	221	245
Originated three years prior year	165	89
Originated four years prior year	55	73
Prior	89	78
Revolving	197	189
Total	1,701	1,757
Retail Portfolio Segment [Member] | Total Retail Loans [Member]
Financing Receivable Recorded Investment [Line Items]
Originated current year-2024	6,658	22,463
Originated prior year-2023	17,509	18,170
Originated two years prior year-2022	16,766	35,857
Originated three years prior year	31,641	22,603
Originated four years prior year	21,624	6,206
Prior	37,430	34,443
Revolving	46,754	34,614
Total	178,382	174,356
Retail Portfolio Segment [Member] | Performing Financial Instruments [Member] | Family Residential Mortgages [Member]
Financing Receivable Recorded Investment [Line Items]
Originated current year-2024	2,991	12,641
Originated prior year-2023	12,544	14,635
Originated two years prior year-2022	14,416	30,495
Originated three years prior year	29,272	20,304
Originated four years prior year	19,589	4,526
Prior	29,076	25,500
Revolving	0	0
Total	107,888	108,101
Retail Portfolio Segment [Member] | Performing Financial Instruments [Member] | Construction - Individual [Member]
Financing Receivable Recorded Investment [Line Items]
Originated current year-2024	0	0
Originated prior year-2023	0	0
Originated two years prior year-2022	0	0
Originated three years prior year	0	0
Originated four years prior year	0	0
Prior	0	0
Revolving	0	0
Total	0	0
Retail Portfolio Segment [Member] | Performing Financial Instruments [Member] | Revolving Home Equity Secured By 1-4 Family Properties-Personal [Member]
Financing Receivable Recorded Investment [Line Items]
Originated current year-2024	0	0
Originated prior year-2023	0	0
Originated two years prior year-2022	0	0
Originated three years prior year	0	0
Originated four years prior year	0	0
Prior	0	0
Revolving	46,082	33,936
Total	46,082	33,936
Retail Portfolio Segment [Member] | Performing Financial Instruments [Member] | Real Estate Secured By First Lein on 1-4 Family Properties-Personal [Member]
Financing Receivable Recorded Investment [Line Items]
Originated current year-2024	484	2,591
Originated prior year-2023	755	1,613
Originated two years prior year-2022	1,042	2,933
Originated three years prior year	1,125	1,030
Originated four years prior year	927	931
Prior	2,719	2,767
Revolving	0	0
Total	7,052	11,865
Retail Portfolio Segment [Member] | Performing Financial Instruments [Member] | Real Estate Secured By Junior Lien on 1-4 Family Properties-Personal [Member]
Financing Receivable Recorded Investment [Line Items]
Originated current year-2024	2,825	6,438
Originated prior year-2023	3,594	1,613
Originated two years prior year-2022	975	2,184
Originated three years prior year	1,079	1,180
Originated four years prior year	1,053	676
Prior	3,164	3,515
Revolving	0	0
Total	12,690	15,606
Retail Portfolio Segment [Member] | Performing Financial Instruments [Member] | Student Loans [Member]
Financing Receivable Recorded Investment [Line Items]
Originated current year-2024	0	0
Originated prior year-2023	0	0
Originated two years prior year-2022	0	0
Originated three years prior year	0	0
Originated four years prior year	0	0
Prior	1,591	1,645
Revolving	0	0
Total	1,591	1,645
Retail Portfolio Segment [Member] | Performing Financial Instruments [Member] | Overdrafts [Member]
Financing Receivable Recorded Investment [Line Items]
Originated current year-2024	0	0
Originated prior year-2023	0	0
Originated two years prior year-2022	0	0
Originated three years prior year	0	0
Originated four years prior year	0	0
Prior	0	0
Revolving	149	194
Total	149	194
Retail Portfolio Segment [Member] | Performing Financial Instruments [Member] | Other Consumer [Member]
Financing Receivable Recorded Investment [Line Items]
Originated current year-2024	358	793
Originated prior year-2023	616	290
Originated two years prior year-2022	221	245
Originated three years prior year	165	89
Originated four years prior year	55	73
Prior	56	41
Revolving	197	189
Total	1,668	1,720
Retail Portfolio Segment [Member] | Performing Financial Instruments [Member] | Total Retail Loans [Member]
Financing Receivable Recorded Investment [Line Items]
Originated current year-2024	6,658	22,463
Originated prior year-2023	17,509	18,151
Originated two years prior year-2022	16,654	35,857
Originated three years prior year	31,641	22,603
Originated four years prior year	21,624	6,206
Prior	36,606	33,468
Revolving	46,428	34,319
Total	177,120	173,067
Retail Portfolio Segment [Member] | Nonperforming Financial Instruments [Member] | Family Residential Mortgages [Member]
Financing Receivable Recorded Investment [Line Items]
Originated current year-2024	0	0
Originated prior year-2023	0	0
Originated two years prior year-2022	0	0
Originated three years prior year	0	0
Originated four years prior year	0	0
Prior	675	805
Revolving	0	0
Total	675	805
Retail Portfolio Segment [Member] | Nonperforming Financial Instruments [Member] | Construction - Individual [Member]
Financing Receivable Recorded Investment [Line Items]
Originated current year-2024	0	0
Originated prior year-2023	0	0
Originated two years prior year-2022	0	0
Originated three years prior year	0	0
Originated four years prior year	0	0
Prior	0	0
Revolving	0	0
Total	0	0
Retail Portfolio Segment [Member] | Nonperforming Financial Instruments [Member] | Revolving Home Equity Secured By 1-4 Family Properties-Personal [Member]
Financing Receivable Recorded Investment [Line Items]
Originated current year-2024	0	0
Originated prior year-2023	0	0
Originated two years prior year-2022	0	0
Originated three years prior year	0	0
Originated four years prior year	0	0
Prior	0	0
Revolving	326	295
Total	326	295
Retail Portfolio Segment [Member] | Nonperforming Financial Instruments [Member] | Real Estate Secured By First Lein on 1-4 Family Properties-Personal [Member]
Financing Receivable Recorded Investment [Line Items]
Originated current year-2024	0	0
Originated prior year-2023	0	0
Originated two years prior year-2022	94	0
Originated three years prior year	0	0
Originated four years prior year	0	0
Prior	105	116
Revolving	0	0
Total	199	116
Retail Portfolio Segment [Member] | Nonperforming Financial Instruments [Member] | Real Estate Secured By Junior Lien on 1-4 Family Properties-Personal [Member]
Financing Receivable Recorded Investment [Line Items]
Originated current year-2024	0	0
Originated prior year-2023	0	19
Originated two years prior year-2022	18	0
Originated three years prior year	0	0
Originated four years prior year	0	0
Prior	0	0
Revolving	0	0
Total	18	19
Retail Portfolio Segment [Member] | Nonperforming Financial Instruments [Member] | Student Loans [Member]
Financing Receivable Recorded Investment [Line Items]
Originated current year-2024	0	0
Originated prior year-2023	0	0
Originated two years prior year-2022	0	0
Originated three years prior year	0	0
Originated four years prior year	0	0
Prior	11	17
Revolving	0	0
Total	11	17
Retail Portfolio Segment [Member] | Nonperforming Financial Instruments [Member] | Overdrafts [Member]
Financing Receivable Recorded Investment [Line Items]
Originated current year-2024	0	0
Originated prior year-2023	0	0
Originated two years prior year-2022	0	0
Originated three years prior year	0	0
Originated four years prior year	0	0
Prior	0	0
Revolving	0	0
Total	0	0
Retail Portfolio Segment [Member] | Nonperforming Financial Instruments [Member] | Other Consumer [Member]
Financing Receivable Recorded Investment [Line Items]
Originated current year-2024	0	0
Originated prior year-2023	0	0
Originated two years prior year-2022	0	0
Originated three years prior year	0	0
Originated four years prior year	0	0
Prior	33	37
Revolving	0	0
Total	33	37
Retail Portfolio Segment [Member] | Nonperforming Financial Instruments [Member] | Total Retail Loans [Member]
Financing Receivable Recorded Investment [Line Items]
Originated current year-2024	0	0
Originated prior year-2023	0	19
Originated two years prior year-2022	112	0
Originated three years prior year	0	0
Originated four years prior year	0	0
Prior	824	975
Revolving	326	295
Total	$ 1,262	$ 1,289