Note 5. Intangible Assets, net (Details) - Finite-Lived Intangible Assets (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Jun. 30, 2012
Finite-Lived Intangible Assets [Line Items]
Gross Carring Amount	$ 2,419	$ 2,419
Accumulated Amortization	1,402	1,265
Net	1,017	1,154
Trade Names [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carring Amount	1,525	1,525
Accumulated Amortization	739	663
Net	786	862
Unpatented Technology [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carring Amount	547	547
Accumulated Amortization	460	420
Net	87	127
Licensing Agreements [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carring Amount	347	347
Accumulated Amortization	203	182
Net	$ 144	$ 165