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Restructuring and Related Charges (Details Narrative) - USD ($)
$ in Thousands
6 Months Ended 12 Months Ended
Jun. 30, 2015
Dec. 31, 2014
GridSense [Member]    
Restructuring Cost and Reserve [Line Items]    
Severance costs   $ 38
Restructuring charges payable $ 38  
OmniMetrix [Member]    
Restructuring Cost and Reserve [Line Items]    
Restructuring charges payable 226  
Payment of lease cost $ 22 $ 248
Expected to be paid restructuring cost date Dec. 31, 2019  
Restructuring charges included in other current liabilities $ (44)  
Restructuring charges included in other liabilities $ (182)