Note 3 - Intangible Assets, Net - Finite-lived Intangible Assets (Details) - USD ($) $ in Thousands	Sep. 30, 2015	Jun. 30, 2015
Trade Names [Member]
Gross Carrying Amount	$ 1,525	$ 1,525
Accumulated Amortization	909	891
Net	616	634
Unpatented Technology [Member]
Gross Carrying Amount	547	547
Accumulated Amortization	$ 547	540
Net		7
Licensing Agreements [Member]
Gross Carrying Amount	$ 347	347
Accumulated Amortization	251	245
Net	96	102
Gross Carrying Amount	2,419	2,419
Accumulated Amortization	1,707	1,676
Net	$ 712	$ 743