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

Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration