Note 12 - Segment Information (Details) - (Loss) Income Before Taxes by Segment (USD $) In Thousands, unless otherwise specified	3 Months Ended
Sep. 30, 2013	Sep. 30, 2012
Segment Reporting, Other Significant Reconciling Item [Line Items]
(Loss) Income Before Taxes	$ (2,527)	$ (1,946)
Power Supplies [Member]
Segment Reporting, Other Significant Reconciling Item [Line Items]
(Loss) Income Before Taxes	(318)	(298)
Storage [Member]
Segment Reporting, Other Significant Reconciling Item [Line Items]
(Loss) Income Before Taxes	$ (2,209)	$ (1,648)

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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