Note C - Loans - Age Analysis of the Loan Portfolio, Segregated by Class of Loans (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Loans	$ 237,878	$ 239,162
Loans Past Due Greater Than 90 Days and Still Accruing
Financial Asset, 30 to 59 Days Past Due [Member]
Loans	127	2,331
Financial Asset, 60 to 89 Days Past Due [Member]
Loans	51	380
Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans	1,101	63
Financial Asset, Past Due [Member]
Loans	1,279	2,774
Financial Asset, Not Past Due [Member]
Loans	236,599	236,388
Gaming [Member]
Loans	9,965	7,900
Loans Past Due Greater Than 90 Days and Still Accruing
Gaming [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Loans
Gaming [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Loans
Gaming [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans
Gaming [Member] | Financial Asset, Past Due [Member]
Loans
Gaming [Member] | Financial Asset, Not Past Due [Member]
Loans	9,965	7,900
Hotel/Motel [Member]
Loans	35,737	50,765
Loans Past Due Greater Than 90 Days and Still Accruing
Hotel/Motel [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Loans
Hotel/Motel [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Loans
Hotel/Motel [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans
Hotel/Motel [Member] | Financial Asset, Past Due [Member]
Loans
Hotel/Motel [Member] | Financial Asset, Not Past Due [Member]
Loans	35,737	50,765
Real Estate, Construction [Member]
Loans	30,146	27,191
Loans Past Due Greater Than 90 Days and Still Accruing
Real Estate, Construction [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Loans	79	105
Real Estate, Construction [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Loans	2
Real Estate, Construction [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans
Real Estate, Construction [Member] | Financial Asset, Past Due [Member]
Loans	81	105
Real Estate, Construction [Member] | Financial Asset, Not Past Due [Member]
Loans	30,065	27,086
Real Estate, Mortgage [Member]
Loans	144,043	128,352
Loans Past Due Greater Than 90 Days and Still Accruing
Real Estate, Mortgage [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Loans	34	1,996
Real Estate, Mortgage [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Loans	49	60
Real Estate, Mortgage [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans	1,101	63
Real Estate, Mortgage [Member] | Financial Asset, Past Due [Member]
Loans	1,184	2,119
Real Estate, Mortgage [Member] | Financial Asset, Not Past Due [Member]
Loans	142,859	126,233
Commercial And Industrial Loan [Member]
Loans	10,497	15,882
Loans Past Due Greater Than 90 Days and Still Accruing
Commercial And Industrial Loan [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Loans		21
Commercial And Industrial Loan [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Loans		320
Commercial And Industrial Loan [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans
Commercial And Industrial Loan [Member] | Financial Asset, Past Due [Member]
Loans		341
Commercial And Industrial Loan [Member] | Financial Asset, Not Past Due [Member]
Loans	10,497	15,541
Other Loan [Member]
Loans	7,490	9,072
Loans Past Due Greater Than 90 Days and Still Accruing
Other Loan [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Loans	14	209
Other Loan [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Loans
Other Loan [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans
Other Loan [Member] | Financial Asset, Past Due [Member]
Loans	14	209
Other Loan [Member] | Financial Asset, Not Past Due [Member]
Loans	$ 7,476	$ 8,863