Note 13 - Segment Information (Details) - (Loss) Income Before Taxes by Segment (USD $) In Thousands, unless otherwise specified	3 Months Ended
Sep. 30, 2014	Sep. 30, 2013
Loss before Taxes
(Loss) Income Before Taxes	$ (322)	$ (2,527)
Power Supplies [Member]
Loss before Taxes
(Loss) Income Before Taxes	(269)	(318)
Tape Libraries [Member]
Loss before Taxes
(Loss) Income Before Taxes	$ (53)	$ (2,209)

Sum of operating profit and nonoperating income or expense before Income or Loss from equity method investments, income taxes, extraordinary items, and noncontrolling interest.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.4-08.(h)(1)(i))

-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration