Note 7 - Goodwill and Other Intangible Assets (Details Textual) - USD ($)	Dec. 31, 2015	Jun. 30, 2015	Sep. 30, 2014
Customer Relationships [Member] | LSI Saco [Member]
Finite-Lived Intangible Assets, Gross			$ 1,036,000
Finite-Lived Intangible Assets, Accumulated Amortization			$ 428,000
Customer Relationships [Member]
Finite-Lived Intangible Assets, Gross	$ 9,316,000	$ 9,316,000
Finite-Lived Intangible Assets, Accumulated Amortization	7,436,000	7,290,000
Finite-Lived Intangible Assets, Gross	22,052,000	22,052,000
Finite-Lived Intangible Assets, Accumulated Amortization	$ 19,635,000	$ 19,382,000