Note 3 - Business Segment Information (Details) - Long-lived Assets by Geographical Region (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013		Jun. 30, 2013
Note 3 - Business Segment Information (Details) - Long-lived Assets by Geographical Region [Line Items]
Assets by Geographic Region	$ 47,372	[1]	$ 47,179	[1]
United States [Member]
Note 3 - Business Segment Information (Details) - Long-lived Assets by Geographical Region [Line Items]
Assets by Geographic Region	47,032	[1]	46,843	[1]
Canada [Member]
Note 3 - Business Segment Information (Details) - Long-lived Assets by Geographical Region [Line Items]
Assets by Geographic Region	$ 340	[1]	$ 336	[1]

[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.