Note 7 - Goodwill And Other Intangible Assets (Details) (USD $)	3 Months Ended		9 Months Ended		0 Months Ended	6 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2013	Jun. 30, 2013	Mar. 01, 2013 LSI Virticus [Member]	Dec. 31, 2012 LSI Virticus [Member]	Mar. 31, 2014 Electronics Components Segment [Member]	Mar. 01, 2014 Electronics Components Segment [Member]	Jun. 30, 2013 Electronics Components Segment [Member]	Mar. 01, 2013 Electronics Components Segment [Member]	Mar. 31, 2014 All Other Category [Member]	Mar. 01, 2014 All Other Category [Member]	Jun. 30, 2013 All Other Category [Member]	Mar. 01, 2013 All Other Category [Member]	Mar. 31, 2014 Lighting Segment [Member]	Mar. 01, 2014 Lighting Segment [Member]	Jun. 30, 2013 Lighting Segment [Member]	Mar. 01, 2013 Lighting Segment [Member]
Note 7 - Goodwill And Other Intangible Assets (Details) [Line Items]
Goodwill	$ 10,508,000			$ 10,508,000		$ 2,413,000	$ 9,208,000		$ 9,208,000		$ 1,165,000		$ 1,165,000		$ 135,000		$ 135,000
Goodwill, Impairment Loss		272,000	2,413,000		272,000	2,141,000
Goodwill Impairment Percentage						89.00%
Goodwill Impairment Testing Value Above Carrying Value								18,200,000		10,500,000		2,500,000		2,100,000		2,500,000		8,500,000
Goodwill Impairment Testing Percent Value Above Carring Value								71.00%		42.00%		453.00%		182.00%		3.00%		10.00%
Payments to Acquire Intangible Assets	$ 268,000
Finite-Lived Intangible Asset, Useful Life	9 years