Note 6 - Other Intangible Assets (Details) - USD ($) $ in Thousands	Jun. 30, 2016	Jun. 30, 2015
Customer Relationships [Member]
Finite-Lived Intangible Assets, Gross	$ 9,316	$ 9,316
Finite-Lived Intangible Assets, Accumulated Amortization	7,581	7,290
Net Amount	1,735	2,026
Patents [Member]
Finite-Lived Intangible Assets, Gross	338	338
Finite-Lived Intangible Assets, Accumulated Amortization	154	120
Net Amount	184	218
Technology-Based Intangible Assets [Member]
Finite-Lived Intangible Assets, Gross	11,228	11,228
Finite-Lived Intangible Assets, Accumulated Amortization	10,989	10,910
Net Amount	239	318
Trade Names [Member]
Finite-Lived Intangible Assets, Gross	460	460
Finite-Lived Intangible Assets, Accumulated Amortization	460	460
Noncompete Agreements [Member]
Finite-Lived Intangible Assets, Gross	710	710
Finite-Lived Intangible Assets, Accumulated Amortization	704	602
Net Amount	6	108
Trademarks and Trade Names [Member]
Indefinite Lived Intangible Assets	3,422	3,422
Total Indefinite-lived Intangible Assets	3,422	3,422
Finite-Lived Intangible Assets, Gross	22,052	22,052
Finite-Lived Intangible Assets, Accumulated Amortization	19,888	19,382
Net Amount	2,164	2,670
Indefinite Lived Intangible Assets	3,422	3,422
Total Indefinite-lived Intangible Assets	3,422	3,422
Total Other Intangible Assets	25,474	25,474
Total Other Intangible Assets	$ 5,586	$ 6,092