Note 5 - Goodwill and Other Intangible Assets - Summary of Intangible Assets (Details) - USD ($)	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Other intangibles, gross	$ 13,982,899	$ 13,961,649
Less: accumulated amortization	5,730,299	4,469,089	$ 3,203,585
Intangible assets, net	8,252,600	9,492,560
Customer Lists [Member]
Other intangibles, gross	9,316,000	9,316,000
Noncompete Agreements [Member]
Other intangibles, gross	200,000	200,000
Trademarks [Member]
Other intangibles, gross	$ 4,466,899	$ 4,445,649