Note 12 - Segment Information (Details) - (Loss) Income Before Taxes by Segment (USD $) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended
Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2013	Dec. 31, 2012
Segment Reporting, Other Significant Reconciling Item [Line Items]
(Loss) Income Before Taxes	$ (251)	$ (1,673)	$ (2,778)	$ (3,619)
Power Supplies [Member]
Segment Reporting, Other Significant Reconciling Item [Line Items]
(Loss) Income Before Taxes	(69)	(278)	(387)	(576)
Storage [Member]
Segment Reporting, Other Significant Reconciling Item [Line Items]
(Loss) Income Before Taxes	$ (182)	$ (1,395)	$ (2,391)	$ (3,043)

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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