Note 3 - Intangible Assets - Schedule of Intangible Assets (Details) (Parentheticals)	6 Months Ended	12 Months Ended
	Mar. 31, 2015	Sep. 30, 2014
Customer Relationships [Member]
Finite-lived intangible asset, useful life	10 years	10 years
Technology-Based Intangible Assets [Member]
Finite-lived intangible asset, useful life	7 years	7 years
Trade Names [Member]
Finite-lived intangible asset, useful life	10 years	10 years
Noncompete Agreements [Member]
Finite-lived intangible asset, useful life	3 years	3 years