Note 2 - Business Segment And Major Customers Information (Detail) - Assets by Geographical Region (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012		Jun. 30, 2011		Jun. 30, 2010
United States [Member]
Assets by Geographic Region	$ 44,286	[1]	$ 46,343	[1]	$ 48,220	[1]
Canada [Member]
Assets by Geographic Region	322	[1]	298	[1]	345	[1]
Total [Member]
Assets by Geographic Region	$ 44,608	[1]	$ 46,641	[1]	$ 48,565	[1]

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