Note 5 - Goodwill and Other Intangible Assets, Net - Summary of Intangible Assets (Details) - USD ($)	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Customer Intangibles	$ 5,510,000	$ 5,510,000
Less: Accumulated Amortization	1,559,162	1,177,798	$ 613,601
Other Intangibles, Net	3,950,838	4,332,202
Customer-Related Intangible Assets [Member]
Customer Intangibles	4,970,000	4,970,000
Noncompete Agreements [Member]
Customer Intangibles	200,000	200,000
Trademarks [Member]
Customer Intangibles	$ 340,000	$ 340,000