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DISCONTINUED OPERATIONS (Details Narrative) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
	Aug. 16, 2019	Sep. 30, 2019	Jun. 30, 2019	Sep. 30, 2019	Jun. 28, 2019
Cash purchase price				$ 41,925
Transformer Business Units [Member]
Cash purchase price	$ 60,500
Maximum amount Indemnifiable losses set-off	5,000
Indemnification obligation true deductible	330
Indemnification obligation cap	330
Indemnification obligation per-claim threshold amount	50
Indemnification obligation of Interim Breaches cap amount	5,000
Indemnification obligation of legal matters true deductible	150
Indemnification obligation of legal matters cap amount	5,000
Indemnification obligation of buyer deductible	330
Indemnification obligation of buyer cap	$ 3,300
Transformer Business Units [Member] | Subordinated Promissory Notes [Member]
Principal amount					$ 7,500
Interest rate		4.00%		4.00%
Maturity date		Dec. 31, 2022
Revaluation of note		$ (942)
Carrying value of note		6,600		$ 6,600
Transformer Business Units [Member] | Subordinated Promissory Notes [Member] | First Seller Note [Member]
Principal amount					5,000
Transformer Business Units [Member] | Subordinated Promissory Notes [Member] | Second Seller Note [Member]
Principal amount					$ 2,500
Reynosa Facility Flood [Member]
Insurance proceeds			$ 2,400
Insurance proceeds received		600
Discontinued Operations [Member]
Reserve for receivable		2,300		2,300
Discontinued Operations [Member] | Reynosa Facility Flood [Member]
Net loss on inventory damaged		782
Continuing Operations [Member] | Reynosa Facility Flood [Member]
Insurance receivable		$ 1,800		$ 1,800

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