Note 3 - Intangible Assets - Schedule of Intangible Assets (Details) - USD ($)	Dec. 31, 2017	Sep. 30, 2017
Gross	$ 11,948,000	$ 11,948,000
Accumulated Amortization	(3,713,824)	(3,400,513)
Net	8,234,176	8,547,487
Customer Relationships [Member]
Gross	8,152,000	8,152,000
Accumulated Amortization	(2,102,491)	(1,898,691)
Net	6,049,509	6,253,309
Technology-Based Intangible Assets [Member]
Gross	1,303,000	1,303,000
Accumulated Amortization	(713,545)	(667,009)
Net	589,455	635,991
Trade Names [Member]
Gross	2,119,000	2,119,000
Accumulated Amortization	(595,455)	(542,480)
Net	1,523,545	1,576,520
Noncompete Agreements [Member]
Gross	374,000	374,000
Accumulated Amortization	(302,333)	(292,333)
Net	$ 71,667	$ 81,667