Note L - Financial Instruments with Off-balance-sheet Risk (Details Textual) - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Loans and Leases Receivable, Commitments, Fixed Rates	$ 24,465,000	$ 28,691,000
Irrevocable Letters of Credit [Member]
Fair Value Disclosure, off-Balance-Sheet Risks, Face Amount, Liability	142,406	141,136
Commitments to Extend Credit [Member]
Fair Value Disclosure, off-Balance-Sheet Risks, Face Amount, Liability	$ 40,080,000	$ 48,920,000