Note 11 - Income Taxes - Income Tax Expense (Details) - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Federal	$ (3,101)	$ 2,533
State & Local	3,450	7,566
Current Federal, State and Local, Tax Expense (Benefit)	349	10,099
Federal	(25,650)	795,001
State & Local	(17,284)	7,357
Deferred Federal, State and Local, Tax Expense (Benefit)	(42,934)	802,358
Income tax (benefit) expense	$ (42,585)	$ 812,457