Note 10 - Segment Reporting - Schedule of Segment Data (Details) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2025	Mar. 31, 2024	Dec. 31, 2024
Net interest income		$ 16,098	$ 14,969
Noninterest income		1,944	1,796
Total revenue		18,042	16,765
Provision for (recovery of) credit losses		95	(136)
Salaries and employee benefits		6,557	6,333
Occupancy expenses		687	552
Data processing costs		1,271	1,217
Other noninterest expense (1)	[1]	3,678	3,863
Income taxes		924	769
Net income		4,830	4,167
Total assets		1,888,356	1,816,668	$ 1,853,359
Segment Reporting, Reconciling Item, Excluding Corporate Nonsegment [Member]
Net interest income		(117)	(157)
Noninterest income		(25)	(42)
Total revenue		(142)	(199)
Provision for (recovery of) credit losses		0	0
Salaries and employee benefits		490	318
Occupancy expenses		0	0
Data processing costs		0	0
Other noninterest expense (1)	[1]	487	659
Income taxes		(235)	(247)
Net income		(884)	(929)
Total assets		1,750	1,942
Bank Segment [Member] | Operating Segments [Member]
Net interest income		16,215	15,126
Noninterest income		1,969	1,838
Total revenue		18,184	16,964
Provision for (recovery of) credit losses		95	(136)
Salaries and employee benefits		6,067	6,015
Occupancy expenses		687	552
Data processing costs		1,271	1,217
Other noninterest expense (1)	[1]	3,191	3,204
Income taxes		1,159	1,016
Net income		5,714	5,096
Total assets		$ 1,886,606	$ 1,814,726

[1] Includes expenses that are in the reported measure of net income but not specifically provided to the CODM. Other noninterest expense is composed of expenses such as equipment expense, Ohio state franchise tax, professional fees, advertising expense, and other expenses.