Note I - Income Taxes (Details Textual) - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2014
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	21.00%	21.00%	21.00%
Current Income Tax Expense (Benefit)	$ 410,000	$ 15,000	$ 62,000
Deferred Income Tax Expense (Benefit)	1,711,000	(2,446,000)	0
Income Tax Expense (Benefit)	2,121,000	(2,431,000)	$ 62,000
Deferred Tax Assets, Valuation Allowance, Total	11,534,000	13,090,000		$ 8,140,000
Deferred Tax Assets, Net	756,000	$ 2,446,000
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	$ 0