Note N - Condensed Parent Company Only Financial Information - Condensed Statements of Income (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Total income	$ 6,894	$ 6,895	$ 6,470
Other expense	6,348	5,854	7,176
Total expenses	22,353	21,855	22,622
Net income	9,166	8,941	8,911
Parent Company [Member]
Distributed income of bank subsidiary	3,268	1,243	4,610
Undistributed income of bank subsidiary	6,404	8,061	4,686
Other income	4	7	4
Total income	9,676	9,311	9,300
Other expense	510	370	389
Total expenses	510	370	389
Net income	$ 9,166	$ 8,941	$ 8,911