Note 2 - Business Segment Information (Details) - Long-lived Assets by Geographical Region - USD ($) $ in Thousands	Jun. 30, 2015	[1]	Jun. 30, 2014	[1]	Jun. 30, 2013
Long-Lived Assets (b):
Assets by Geographic Region	$ 44,965		$ 46,076		$ 47,179
UNITED STATES
Long-Lived Assets (b):
Assets by Geographic Region	$ 44,965		45,886		46,843
CANADA
Long-Lived Assets (b):
Assets by Geographic Region			$ 190		$ 336

[1] Long-lived assets include property, plant and equipment, and other long term assets. Goodwill and intangible assets are not included in long-lived assets.