Note 9 - Income Taxes - The Tax Benefit for CCM Income Taxes (Details) - USD ($)	3 Months Ended		12 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021	Dec. 31, 2020
Current			$ (33,621)
Deferred income tax benefit	$ 0	$ 0	(2,735)
Net income tax benefit	$ 0	$ 0	$ (36,356)