Note 5 - Goodwill and Other Intangible Assets, Net - Summary of Intangible Assets (Details) - USD ($)	Sep. 30, 2018	Dec. 31, 2017
Other intangibles, gross	$ 5,510,000	$ 2,510,000
Less: Accumulated Amortization	1,084,207	613,601
Other Intangibles, Net	4,425,793	1,896,399
Customer Lists [Member]
Other intangibles, gross	4,970,000	1,970,000
Noncompete Agreements [Member]
Other intangibles, gross	200,000	200,000
Trademarks [Member]
Other intangibles, gross	$ 340,000	$ 340,000