Note 7 - Goodwill and Other Intangible Assets (Details) - USD ($)	Sep. 30, 2015	Jun. 30, 2015	Sep. 30, 2014
Note 7 - Goodwill and Other Intangible Assets (Details) [Line Items]
Finite-Lived Intangible Assets, Gross	$ 22,052,000	$ 22,052,000
Finite-Lived Intangible Assets, Accumulated Amortization	19,508,000	19,382,000
Customer Relationships [Member]
Note 7 - Goodwill and Other Intangible Assets (Details) [Line Items]
Finite-Lived Intangible Assets, Gross	9,316,000	9,316,000
Finite-Lived Intangible Assets, Accumulated Amortization	$ 7,363,000	$ 7,290,000
Customer Relationships [Member] | LSI Saco [Member]
Note 7 - Goodwill and Other Intangible Assets (Details) [Line Items]
Finite-Lived Intangible Assets, Gross			$ 1,036,000
Finite-Lived Intangible Assets, Accumulated Amortization			$ 428,000