Note 7 - Intangible Assets - Schedule of Intangible Assets (Details) - USD ($)	Sep. 30, 2019	Sep. 30, 2018
Gross	$ 10,889,000	$ 10,645,000
Accumulated Amortization	(4,886,002)	(3,800,602)
Net	6,002,998	6,844,398
Customer Relationships [Member]
Gross	8,396,000	8,152,000
Accumulated Amortization	(3,547,389)	(2,713,890)
Net	4,848,611	5,438,110
Trade Names [Member]
Gross	2,119,000	2,119,000
Accumulated Amortization	(966,280)	(754,380)
Net	1,152,720	1,364,620
Noncompete Agreements [Member]
Gross	374,000	374,000
Accumulated Amortization	(372,333)	(332,332)
Net	$ 1,667	$ 41,668