Note 9 - Income Taxes - Components of Income Tax Expense (Details) - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Current provision:
Federal	$ 0	$ 0
State	292,524	280,000
Current Income Tax Expense (Benefit)	292,524	280,000
Deferred provision:
Federal expense (benefit)	0	0
Expense for income taxes	$ 292,524	$ 280,000