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INVESTMENTS IN SUBSIDIARIES GridSense (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Business Acquisition [Line Items]      
Proceeds from the sale of OMI $ 281 $ 0 $ 0
Gain (Loss) on Disposition of Business 116 0 0
Disposal Group, Including Discontinued Operation, Revenue $ 152 $ 260 $ 167