Note C - Loans - Composition of Loan Portfolio (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Loans and leases receivable	$ 268,949	$ 273,346
Gaming [Member]
Loans and leases receivable	19,899	25,767
Hotel/Motel [Member]
Loans and leases receivable	47,294	44,112
Real Estate, Construction [Member]
Loans and leases receivable	23,209	28,763
Real Estate, Mortgage [Member]
Loans and leases receivable	141,406	140,271
Commercial And Industrial Loan [Member]
Loans and leases receivable	30,626	27,505
Other Loan [Member]
Loans and leases receivable	$ 6,515	$ 6,928