Note 9 - Income Taxes - Effective Income Tax Rate Reconciliation (Details) - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Income tax (benefit) at 21%	$ (99,772)	$ (1,134,200)
Change in valuation allowance	(1,361,228)	(581,000)
Permanent and other differences	1,461,000	1,715,200
Effective Income Tax Rate Reconciliation, Federal Income Tax (Benefit) Adjustments, Amount	0	0
State taxes	292,524	280,000
Expense for income taxes	$ 292,524	$ 280,000