Note 5 - Intangible Assets - Schedule of Intangible Assets (Details) - USD ($)	Mar. 31, 2017	Sep. 30, 2016
Gross	$ 11,948,000	$ 7,107,000
Accumulated Amortization	(2,773,891)	(2,133,331)
Net	9,174,109	4,973,669
Customer Relationships [Member]
Gross	8,152,000	4,257,000
Accumulated Amortization	(1,491,091)	(1,099,721)
Net	6,660,909	3,157,279
Technology-Based Intangible Assets [Member]
Gross	1,303,000	1,303,000
Accumulated Amortization	(573,937)	(480,866)
Net	729,063	822,134
Trade Names [Member]
Gross	2,119,000	1,293,000
Accumulated Amortization	(436,530)	(334,023)
Net	1,682,470	958,977
Noncompete Agreements [Member]
Gross	374,000	254,000
Accumulated Amortization	(272,333)	(218,721)
Net	$ 101,667	$ 35,279