Note 5 - Goodwill and Other Intangible Assets, Net - Summary of Intangible Assets (Details) - USD ($)	Mar. 31, 2024	Dec. 31, 2023
Other intangibles, gross	$ 16,084,899	$ 13,982,899
Less: accumulated amortization	6,080,635	5,730,299
Intangible assets, net	10,004,264	8,252,600
Customer Lists [Member]
Other intangibles, gross	11,367,000	9,316,000
Noncompete Agreements [Member]
Other intangibles, gross	200,000	200,000
Trademarks [Member]
Other intangibles, gross	$ 4,517,899	$ 4,466,899