Note 6 - Goodwill and Other Intangible Assets (Details) - Other Intangible Assets (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Jun. 30, 2013
Amortized Intangible Assets
Amortized Intangible Assets, Gross	$ 23,088	$ 24,191
Amortized Intangible Assets, Accumulated Amortization	19,283	19,034
Amortized Intangible Assets, Net	3,805	5,157
Indefinite-lived Intangible Assets
Indefinite-lived Intangible Assets, Gross	3,422	3,422
Indefinite-lived Intangible Assets, Net	3,422	3,422
Intangible Assets, Gross	26,510	27,613
Intangible Assets, Accumulated Amortization	19,283	19,034
Intangible Assets, Net	7,227	8,579
Trademarks and Trade Names [Member]
Indefinite-lived Intangible Assets
Indefinite-lived Intangible Assets, Gross	3,422	3,422
Indefinite-lived Intangible Assets, Net	3,422	3,422
Customer Relationships [Member]
Amortized Intangible Assets
Amortized Intangible Assets, Gross	10,352	10,352
Amortized Intangible Assets, Accumulated Amortization	7,412	7,068
Amortized Intangible Assets, Net	2,940	3,284
Indefinite-lived Intangible Assets
Intangible Assets, Accumulated Amortization	7,412	7,068
Patents [Member]
Amortized Intangible Assets
Amortized Intangible Assets, Gross	338	70
Amortized Intangible Assets, Accumulated Amortization	84	55
Amortized Intangible Assets, Net	254	15
Indefinite-lived Intangible Assets
Intangible Assets, Accumulated Amortization	84	55
Technology-Based Intangible Assets [Member]
Amortized Intangible Assets
Amortized Intangible Assets, Gross	11,228	12,361
Amortized Intangible Assets, Accumulated Amortization	10,832	10,958
Amortized Intangible Assets, Net	396	1,403
Indefinite-lived Intangible Assets
Intangible Assets, Accumulated Amortization	10,832	10,958
Trade Names [Member]
Amortized Intangible Assets
Amortized Intangible Assets, Gross	460	460
Amortized Intangible Assets, Accumulated Amortization	454	362
Amortized Intangible Assets, Net	6	98
Indefinite-lived Intangible Assets
Intangible Assets, Accumulated Amortization	454	362
Noncompete Agreements [Member]
Amortized Intangible Assets
Amortized Intangible Assets, Gross	710	948
Amortized Intangible Assets, Accumulated Amortization	501	591
Amortized Intangible Assets, Net	209	357
Indefinite-lived Intangible Assets
Intangible Assets, Accumulated Amortization	$ 501	$ 591