Note 3- Business Segment Information (Details) - Identifiable Assets by Segment (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Jun. 30, 2014
Identifiable Assets:
Identifiable Assets	$ 173,778	$ 169,888
Lighting Segment [Member]
Identifiable Assets:
Identifiable Assets	92,385	96,499
Graphics Segment [Member]
Identifiable Assets:
Identifiable Assets	26,230	22,312
Electronics Components Segment [Member]
Identifiable Assets:
Identifiable Assets	30,093	30,788
All Other Category [Member]
Identifiable Assets:
Identifiable Assets	4,443	4,987
Corporate and Eliminations [Member]
Identifiable Assets:
Identifiable Assets	$ 20,627	$ 15,302