Note 4 - Income Taxes - Income Tax Expense (Details) - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Federal	$ 3,228,800	$ (4,110,000)
State	447,300	(84,000)
Current Income Tax Expense (Benefit), Total	3,676,100	(4,194,000)
Deferred, Federal	(175,800)	2,860,155
Deferred, State	499,100	83,000
Income Tax Expense (Benefit), Total	$ 3,999,400	$ (1,250,845)