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DISCONTINUED OPERATIONS (Details) - Swithgear Business [Member] - USD ($)
$ in Thousands
Dec. 31, 2017
Dec. 31, 2016
Assets of discontinued operations:    
Accounts receivable - trade, net $ 1,568 $ 3,242
Inventories, net 2,921 3,868
Prepaid expenses 213 136
Property, plant and equipment, net 524 666
Intangible assets, net 1,477 1,604
Goodwill 1,445
Other assets 241 175
Assets of discontinued operations 6,944 11,136
Liabilities of discontinued operations:    
Bank overdrafts 349 114
Accounts payable and accrued liabilities 3,370 4,016
Liabilities of discontinued operations $ 3,719 $ 4,130