Note 11 - Segment Information (Details) - Segment Revenue (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2011
Revenue
Revenue	$ 12,642	$ 17,081	$ 18,302
Power Supplies [Member]
Revenue
Revenue	6,489	9,420	8,455
Tape Libraries Product [Member]
Revenue
Revenue	4,337	5,341	7,195
Tape Libraries Service [Member]
Revenue
Revenue	1,816	2,320	2,652
Tape Libraries [Member]
Revenue
Revenue	$ 6,153	$ 7,661	$ 9,847