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DISCONTINUED OPERATIONS (Details) - Switchgear Business [Member] - USD ($)
$ in Thousands
Sep. 30, 2018
Dec. 31, 2017
Assets of discontinued operations:    
Accounts receivable - trade, net $ 739 $ 1,568
Inventories, net 3,131 2,921
Prepaid expenses 209 214
Property, plant and equipment, net 354 524
Right of use asset   129
Intangible assets, net 1,382 1,477
Other assets 251 240
Assets of discontinued operations 6,066 7,073
Liabilities of discontinued operations:    
Bank overdrafts 150 349
Accounts payable and accrued liabilities 3,641 3,507
Liabilities of discontinued operations $ 3,791 $ 3,856