Note 5 - Acquisition of Shares of Telkoor (Detail)	3 Months Ended	9 Months Ended
Sep. 30, 2012 USD ($)	Sep. 30, 2012 USD ($)	Jun. 16, 2011 USD ($)	Jun. 16, 2011 Tel Aviv Stock Exchange [Member] USD ($)	Jun. 16, 2011 Tel Aviv Stock Exchange [Member] ILS
Business Acquisition, Shares Acquired			$ 1,136,666
Stock Closing Price, Per Share	1.35	1.35		0.88	3
Business Acquisition, Percentage of Voting Interests Acquired			8.80%
Asset Impairment Charges	$ 218	$ 218,000

The charge against earnings resulting from the aggregate write down of all assets from their carrying value to their fair value.

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

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

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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

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