Note 11 - Segment Information (Detail) - Segment revenue, loss before income taxes and total assets (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2010
Revenue	$ 17,081	$ 18,302	$ 15,270
Income loss before taxes	(4,091)	(685)	(3,122)
Product [Member] | Tape Libraries [Member]
Revenue	5,341	7,195	6,608
Service [Member] | Tape Libraries [Member]
Revenue	2,320	2,652	2,879
Power Supply [Member]
Revenue	9,420	8,455	5,783
Income loss before taxes	356	944	98
Tape Libraries [Member]
Revenue	7,661	9,847	9,487
Income loss before taxes	(4,463)	(1,624)	(3,219)
Total [Member]
Revenue	17,081	18,302	15,270
Income loss before taxes	$ (4,107)	$ (680)	$ (3,121)