Note 3 - Business Segment And Major Customers Information (Detail) - Assets by Geographical Region (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012		Jun. 30, 2012
Assets by Geographic Region	$ 44,882	[1]	$ 44,608	[1]
United States [Member]
Assets by Geographic Region	44,555	[1]	44,286	[1]
Canada [Member]
Assets by Geographic Region	$ 327	[1]	$ 322	[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.