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DISCONTINUED OPERATIONS (Details) - Switchgear Business [Member] - USD ($)
$ in Thousands
Jun. 30, 2018
Dec. 31, 2017
Assets of discontinued operations:    
Accounts receivable - trade, net $ 1,010 $ 1,568
Inventories, net 2,881 2,921
Prepaid expenses 130 214
Property, plant and equipment, net 393 524
Right of use asset 19 129
Intangible assets, net 1,414 1,477
Other assets 249 240
Assets of discontinued operations 6,096 7,073
Liabilities of discontinued operations:    
Bank overdrafts 48 349
Accounts payable and accrued liabilities 3,016 3,507
Liabilities of discontinued operations $ 3,064 $ 3,856