Note 3- Business Segment Information (Details) - Identifiable Assets by Segment (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Jun. 30, 2014
Identifiable Assets:
Identifiable Assets	$ 168,665	$ 169,888
Lighting Segment [Member]
Identifiable Assets:
Identifiable Assets	94,056	96,499
Graphics Segment [Member]
Identifiable Assets:
Identifiable Assets	25,650	22,312
Electronics Components Segment [Member]
Identifiable Assets:
Identifiable Assets	31,089	30,788
All Other Category [Member]
Identifiable Assets:
Identifiable Assets	3,900	4,987
Corporate and Eliminations [Member]
Identifiable Assets:
Identifiable Assets	$ 13,970	$ 15,302