Note 3 - Intangible Assets, Net - Finite-lived Intangible Assets (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Jun. 30, 2014
Trade names and patents	$ 2,419	$ 2,419
Trade names and patents	1,608	1,539
Trade names and patents	811us-gaap_FiniteLivedIntangibleAssetsNet	880us-gaap_FiniteLivedIntangibleAssetsNet
Licensing Agreements [Member]
Trade names and patents	347	347
Trade names and patents	235	224
Trade names and patents	112	123
Unpatented Technology [Member]
Trade names and patents	547	547
Trade names and patents	520	500
Trade names and patents	27	47
Trade Names and Patents [Member]
Trade names and patents	1,525	1,525
Trade names and patents	853	815
Trade names and patents	$ 672	$ 710

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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