Note I - Goodwill and Other Intangibles - Intangible Assets (Details) - USD ($) $ in Thousands	Mar. 31, 2017	Jun. 30, 2016
Gross carrying amount	$ 13,354	$ 13,426
Accumulated amortization	(10,313)	(10,186)
Accumulated impairment	(1,277)	(1,277)
Net book value	1,764	1,963
Licensing Agreements [Member]
Gross carrying amount	3,015	3,015
Accumulated amortization	(2,610)	(2,565)
Accumulated impairment
Net book value	405	450
Noncompete Agreements [Member]
Gross carrying amount	2,128	2,128
Accumulated amortization	(2,045)	(2,045)
Accumulated impairment	(83)	(83)
Net book value
Trade Names [Member]
Gross carrying amount	1,601	1,668
Accumulated amortization	(336)	(275)
Accumulated impairment
Net book value	1,265	1,393
Other Intangible Assets [Member]
Gross carrying amount	6,610	6,615
Accumulated amortization	(5,322)	(5,301)
Accumulated impairment	(1,194)	(1,194)
Net book value	$ 94	$ 120