Note 6 - Intangible Assets and Property and Equipment - Reported Fair Value of Intangible Assets (Details) - USD ($)	Mar. 31, 2023	Dec. 31, 2022	Mar. 31, 2022
Intangible assets, gross	$ 1,255,000	$ 1,255,000
Less: accumulated amortization	(51,789)	(31,074)
Intangible assets, net	1,203,211	1,223,926	$ 0
Customer Relationships [Member]
Intangible assets, gross	1,000,000	1,000,000
Internet Domain Names [Member]
Intangible assets, gross	175,000	175,000
Trade Names [Member]
Intangible assets, gross	$ 80,000	$ 80,000