Note 3 - Intangible Assets, net (Detail) - Finite-Lived Intangible Assets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Jun. 30, 2012
Gross Carring Amount	$ 2,419	$ 2,419
Accumulated Amortization	1,334	1,265
Net	1,085	1,154
Trade Names [Member]
Gross Carring Amount	1,525	1,525
Accumulated Amortization	701	663
Net	824	862
Unpatented Technology [Member]
Gross Carring Amount	547	547
Accumulated Amortization	440	420
Net	107	127
Licensing Agreements [Member]
Gross Carring Amount	347	347
Accumulated Amortization	193	182
Net	$ 154	$ 165