Note C - Loans - Total Loans on Nonaccrual (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Total loans on nonaccrual	$ 1,441
Financial Asset, 30 to 59 Days Past Due [Member]
Total loans on nonaccrual		$ 701
Real Estate, Construction [Member]
Total loans on nonaccrual
Real Estate, Construction [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Total loans on nonaccrual		138
Real Estate, Mortgage [Member]
Total loans on nonaccrual	1,434
Real Estate, Mortgage [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Total loans on nonaccrual		563
Other Sector [Member]
Total loans on nonaccrual	$ 7
Other Sector [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Total loans on nonaccrual