Note 5 - Summary of Intangible Assets (Details) - USD ($)	Jun. 30, 2016	Sep. 30, 2015
Customer Relationships [Member]
Gross intangible	$ 22,104,000	$ 22,104,000
Accumulated amortization	(13,805,000)	(10,406,000)
	8,299,000	11,698,000
Developed Technology Rights [Member]
Gross intangible	2,525,000	2,525,000
Accumulated amortization	(1,611,000)	(1,233,000)
	914,000	1,292,000
Gross intangible	24,629,000	24,629,000
Accumulated amortization	(15,416,000)	(11,639,000)
	$ 9,213,000	$ 12,990,000

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

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