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DISCONTINUED OPERATIONS (Details) - Swithgear Business [Member] - USD ($)
$ in Thousands
Mar. 31, 2018
Dec. 31, 2017
Assets of discontinued operations:    
Accounts receivable - trade, net $ 1,284 $ 1,568
Inventories, net 2,615 2,921
Prepaid expenses 176 214
Property, plant and equipment, net 452 524
Right of use asset 74 129
Intangible assets, net 1,445 1,477
Other assets 245 240
Assets of discontinued operations 6,291 7,073
Liabilities of discontinued operations:    
Bank overdrafts 66 349
Accounts payable and accrued liabilities 2,314 3,507
Liabilities of discontinued operations $ 2,380 $ 3,856