Note 5 - Goodwill and Other Intangible Assets - Summary of Intangible Assets (Details) - USD ($)	Dec. 31, 2017	Sep. 30, 2017	Sep. 30, 2016
Other intangibles, gross	$ 2,510,000	$ 2,510,000	$ 1,280,000
Less: Accumulated Amortization	613,601	396,344	29,091
Other Intangibles, Net	1,896,399	2,113,656	1,250,909
Customer Lists [Member]
Other intangibles, gross	1,970,000	1,970,000	1,280,000
Noncompete Agreements [Member]
Other intangibles, gross	200,000	200,000
Trademarks [Member]
Other intangibles, gross	$ 340,000	$ 340,000