Note C - Loans - Analysis of Loan Portfolio by Loan Grade, Segregated by Class of Loans (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Loans and Leases Receivable, Gross, Total	$ 237,878	$ 239,162
A, B, or C [Member]
Loans and Leases Receivable, Gross, Total	235,001	234,828
D [Member]
Loans and Leases Receivable, Gross, Total	1,297	3,389
E [Member]
Loans and Leases Receivable, Gross, Total	1,503	858
S [Member]
Loans and Leases Receivable, Gross, Total	77	87
Gaming [Member]
Loans and Leases Receivable, Gross, Total	9,965	7,900
Gaming [Member] | A, B, or C [Member]
Loans and Leases Receivable, Gross, Total	9,965	7,900
Gaming [Member] | D [Member]
Loans and Leases Receivable, Gross, Total
Hotel/Motel [Member]
Loans and Leases Receivable, Gross, Total	35,737	50,765
Hotel/Motel [Member] | A, B, or C [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, Construction [Member] | A, B, or C [Member]
Loans and Leases Receivable, Gross, Total	30,115	26,980
Real Estate, Construction [Member] | D [Member]
Loans and Leases Receivable, Gross, Total	2	6
Real Estate, Construction [Member] | E [Member]
Loans and Leases Receivable, Gross, Total	29	205
Real Estate, Mortgage [Member]
Loans and Leases Receivable, Gross, Total	144,043	128,352
Real Estate, Mortgage [Member] | A, B, or C [Member]
Loans and Leases Receivable, Gross, Total	141,211	124,289
Real Estate, Mortgage [Member] | D [Member]
Loans and Leases Receivable, Gross, Total	1,288	3,344
Real Estate, Mortgage [Member] | E [Member]
Loans and Leases Receivable, Gross, Total	1,467	632
Real Estate, Mortgage [Member] | S [Member]
Loans and Leases Receivable, Gross, Total	77	87
Commercial And Industrial Loan [Member]
Loans and Leases Receivable, Gross, Total	10,497	15,882
Commercial And Industrial Loan [Member] | A, B, or C [Member]
Loans and Leases Receivable, Gross, Total	10,497	15,834
Commercial And Industrial Loan [Member] | D [Member]
Loans and Leases Receivable, Gross, Total		27
Commercial And Industrial Loan [Member] | E [Member]
Loans and Leases Receivable, Gross, Total		21
Other Loan [Member]
Loans and Leases Receivable, Gross, Total	7,490	9,072
Other Loan [Member] | A, B, or C [Member]
Loans and Leases Receivable, Gross, Total	7,476	9,060
Other Loan [Member] | D [Member]
Loans and Leases Receivable, Gross, Total	$ 7	$ 12