Note 3 - Intangible Assets, Net - Finite-lived Intangible Assets (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Jun. 30, 2014
Gross Carrying Amount	$ 2,419	$ 2,419
Accumulated Amortization	1,642	1,539
Intangible assets, net	777us-gaap_FiniteLivedIntangibleAssetsNet	880us-gaap_FiniteLivedIntangibleAssetsNet
Trade Names [Member]
Gross Carrying Amount	1,525	1,525
Accumulated Amortization	872	815
Intangible assets, net	653	710
Unpatented Technology [Member]
Gross Carrying Amount	547	547
Accumulated Amortization	530	500
Intangible assets, net	17	47
Licensing Agreements [Member]
Gross Carrying Amount	347	347
Accumulated Amortization	240	224
Intangible assets, net	$ 107	$ 123

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 2

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275

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