Note 2 - Business Segment And Major Customers Information (Detail) - Inter-segment revenues (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2010
Lighting Segment [Member]
Inter-segment net sales	$ 2,457	$ 3,530	$ 6,383
Graphics Segment [Member]
Inter-segment net sales	1,581	1,024	862
Electronics Components Segment [Member]
Inter-segment net sales	22,019	25,570	5,394
All Other Category [Member]
Inter-segment net sales	$ 5,805	$ 5,568	$ 6,975