Note C - Loans - Composition of Loan Portfolio (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Loans and Leases Receivable, Gross, Total	$ 237,878	$ 239,162
Gaming [Member]
Loans and Leases Receivable, Gross, Total	9,965	7,900
Hotel/Motel [Member]
Loans and Leases Receivable, Gross, Total	35,737	50,765
Real Estate, Construction [Member]
Loans and Leases Receivable, Gross, Total	30,146	27,191
Real Estate, Mortgage [Member]
Loans and Leases Receivable, Gross, Total	144,043	128,352
Commercial And Industrial Loan [Member]
Loans and Leases Receivable, Gross, Total	10,497	15,882
Other Loan [Member]
Loans and Leases Receivable, Gross, Total	$ 7,490	$ 9,072