Note 5 - Goodwill and Other Intangible Assets - Summary of Intangible Assets (Details) - USD ($)	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Other intangibles, gross	$ 17,454,455	$ 13,982,899
Less: accumulated amortization	7,168,674	5,730,299	$ 4,469,089
Intangible assets, net	10,285,781	8,252,600
Customer Lists [Member]
Other intangibles, gross	12,650,000	9,316,000
Noncompete Agreements [Member]
Other intangibles, gross	200,000	200,000
Trademarks [Member]
Other intangibles, gross	$ 4,604,455	$ 4,466,899