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Discontinued Operations (Details Narrative) - USD ($)
$ in Thousands
 1 Months Ended 3 Months Ended 9 Months Ended
Jul. 31, 2017
Jul. 31, 2016
Apr. 30, 2016
Jun. 30, 2017
Sep. 30, 2017
Sep. 25, 2017
Dec. 31, 2016
Indemnity escrow released $ 50            
GridSense Inc. [Member]              
Sale of business assets, gross sale price   $ 1,000          
Indemnity escrow   $ 100          
Indemnity escrow released       $ 50      
GridSense Inc. [Member] | Outside Creditor [Member]              
Amount of outside creditors claims settled         $ 70    
Disbursed to outside creditors         $ 7    
GridSense Inc. [Member]              
Accrued severance costs     $ 140        
Accrual for lease commitment     $ 100        
GridSense Inc. [Member]              
Cash available excluding escrow amounts             $ 19
Remaining creditor claims             $ 314
Net liabilities of Gridsense deconsolidated           $ 914  
Accumulated other comprehensive income loss net of tax associated with Gridsense           $ 254