Note 7 - Goodwill and Other Intangible Assets - Other Intangible Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Jun. 30, 2016
Amortized intangible assets, gross	$ 22,052	$ 22,052
Accumulated amortization	20,096	19,888
Amortized intangible assets, net	1,956	2,164
Indefinite-lived intangible assets, gross	3,422	3,422
Total other intangible assets, gross	25,474	25,474
Other Intangible Assets, net	5,378	5,586
Trademarks and Trade Names [Member]
Indefinite-lived intangible assets, gross	3,422	3,422
Customer Relationships [Member]
Amortized intangible assets, gross	9,316	9,316
Accumulated amortization	7,727	7,581
Amortized intangible assets, net	1,589	1,735
Patents [Member]
Amortized intangible assets, gross	338	338
Accumulated amortization	172	154
Amortized intangible assets, net	166	184
Technology-Based Intangible Assets [Member]
Amortized intangible assets, gross	11,228	11,228
Accumulated amortization	11,027	10,989
Amortized intangible assets, net	201	239
Trade Names [Member]
Amortized intangible assets, gross	460	460
Accumulated amortization	460	460
Amortized intangible assets, net
Noncompete Agreements [Member]
Amortized intangible assets, gross	710	710
Accumulated amortization	710	704
Amortized intangible assets, net		$ 6