Note 8 - Property, Plant and Equipment (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Jun. 30, 2014
Land [Member]
Cost	$ 1,320	$ 1,376
Net	1,320	1,376
Building and Building Improvements [Member]
Cost	45,434	47,793
Net	20,224	21,799
Accumulated Depreciation	(25,210)	(25,994)
Machinery and Equipment [Member]
Cost	132,788	142,579
Net	22,869	28,362
Accumulated Depreciation	(109,919)	(114,217)
Cost	179,542	191,748
Net	44,413	51,537
Accumulated Depreciation	$ (135,129)	$ (140,211)