Significant Customers (Details Narrative) (USD $)	12 Months Ended
Jun. 30, 2013	Jun. 30, 2012
Export sales	$ 2,671,000	$ 5,085,000
Customer Concentration - Domestic
Product sales (percentage)	45.00%	37.00%
Number of customers	2	1
Product sold	Military and industrial electronic equipment	Military and industrial electronic equipment
Customer location	United States	United States
Customer Concentration - Foreign
Product sales (percentage)	18.00%	23.00%
Number of customers	1	1
Product sold	Military and industrial electronic equipment	Military and industrial electronic equipment
Customer location	United Kingdom	United Kingdom

Description of risks that arise due to concentrations of operating facilities, revenues, assets, customers, vendors or the like in a certain geographic area, either domestic or foreign. The description may address risks inherent in the geographic area, and, at a minimum, informs users of the general nature of the risk, but excludes "Information about Geographic Areas" that may be disclosed elsewhere (for instance, segment disclosures)..

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 275

-SubTopic 10

-Section 50

-Paragraph 16

-URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6327-108592

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 275

-SubTopic 10

-Section 50

-Paragraph 20

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6404-108592

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 275

-SubTopic 10

-Section 50

-Paragraph 18

-Subparagraph (d)

-URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6351-108592

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration