Note 7 - Goodwill and Other Intangible Assets (Details) - Other Intangible Assets (USD $)	Sep. 30, 2014	Jun. 30, 2014
Amortized Intangible Assets
Amortized Intangible Assets, Gross	$ 22,052,000	$ 23,088,000
Amortized Intangible Assets, Accumulated Amortization	19,003,000	19,283,000
Amortized Intangible Assets, Net	3,049,000	3,805,000
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	25,474,000	26,510,000
Intangible Assets, Accumulated Amortization	19,003,000	19,283,000
Intangible Assets, Net	6,471,000	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	7,070,000	7,412,000
Amortized Intangible Assets, Net	2,246,000	2,940,000
Indefinite-lived Intangible Assets
Intangible Assets, Accumulated Amortization	7,070,000	7,412,000
Patents [Member]
Amortized Intangible Assets
Amortized Intangible Assets, Gross	338,000	338,000
Amortized Intangible Assets, Accumulated Amortization	94,000	84,000
Amortized Intangible Assets, Net	244,000	254,000
Indefinite-lived Intangible Assets
Intangible Assets, Accumulated Amortization	94,000	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	10,853,000	10,832,000
Amortized Intangible Assets, Net	375,000	396,000
Indefinite-lived Intangible Assets
Intangible Assets, Accumulated Amortization	10,853,000	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	526,000	501,000
Amortized Intangible Assets, Net	184,000	209,000
Indefinite-lived Intangible Assets
Intangible Assets, Accumulated Amortization	$ 526,000	$ 501,000