Note 7 - Goodwill and Other Intangible Assets (Details) - Other Intangible Assets (USD $)	Mar. 31, 2015	Jun. 30, 2014
Amortized Intangible Assets
Amortized Intangible Assets, Gross	$ 22,052,000	$ 23,088,000
Amortized Intangible Assets, Accumulated Amortization	19,255,000	19,283,000
Amortized Intangible Assets, Net	2,797,000us-gaap_FiniteLivedIntangibleAssetsNet	3,805,000us-gaap_FiniteLivedIntangibleAssetsNet
Indefinite-lived Intangible Assets
Indefinite-lived Intangible Assets, Gross	3,422,000	3,422,000
Indefinite-lived Intangible Assets, Net	3,422,000	3,422,000
Intangible Assets, Gross	25,474,000us-gaap_OtherIntangibleAssetsNet	26,510,000us-gaap_OtherIntangibleAssetsNet
Intangible Assets, Accumulated Amortization	19,255,000	19,283,000
Intangible Assets, Net	6,219,000	7,227,000
Trademarks and Trade Names [Member]
Indefinite-lived Intangible Assets
Indefinite-lived Intangible Assets, Gross	3,422,000	3,422,000
Indefinite-lived Intangible Assets, Net	3,422,000	3,422,000
Customer Relationships [Member]
Amortized Intangible Assets
Amortized Intangible Assets, Gross	9,316,000	10,352,000
Amortized Intangible Assets, Accumulated Amortization	7,216,000	7,412,000
Amortized Intangible Assets, Net	2,100,000	2,940,000
Indefinite-lived Intangible Assets
Intangible Assets, Accumulated Amortization	7,216,000	7,412,000
Patents [Member]
Amortized Intangible Assets
Amortized Intangible Assets, Gross	338,000	338,000
Amortized Intangible Assets, Accumulated Amortization	111,000	84,000
Amortized Intangible Assets, Net	227,000	254,000
Indefinite-lived Intangible Assets
Intangible Assets, Accumulated Amortization	111,000	84,000
Technology-Based Intangible Assets [Member]
Amortized Intangible Assets
Amortized Intangible Assets, Gross	11,228,000	11,228,000
Amortized Intangible Assets, Accumulated Amortization	10,891,000	10,832,000
Amortized Intangible Assets, Net	337,000	396,000
Indefinite-lived Intangible Assets
Intangible Assets, Accumulated Amortization	10,891,000	10,832,000
Trade Names [Member]
Amortized Intangible Assets
Amortized Intangible Assets, Gross	460,000	460,000
Amortized Intangible Assets, Accumulated Amortization	460,000	454,000
Amortized Intangible Assets, Net		6,000
Indefinite-lived Intangible Assets
Intangible Assets, Accumulated Amortization	460,000	454,000
Noncompete Agreements [Member]
Amortized Intangible Assets
Amortized Intangible Assets, Gross	710,000	710,000
Amortized Intangible Assets, Accumulated Amortization	577,000	501,000
Amortized Intangible Assets, Net	133,000	209,000
Indefinite-lived Intangible Assets
Intangible Assets, Accumulated Amortization	$ 577,000	$ 501,000

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- Definition

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

+ References

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)

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

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

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-Paragraph 2

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Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 45

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16212-109274

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The net carrying amount as of the balance sheet date of other indefinite-lived and finite-lived intangible assets that are not separately presented on the statement of financial position.

+ References

No definition available.

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