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BASIS OF PRESENTATION (Details Narrative) $ in Thousands		3 Months Ended		6 Months Ended
	Jun. 28, 2019 USD ($)	Jun. 30, 2020 USD ($)	Dec. 31, 2019 USD ($)	Jun. 30, 2020 USD ($) Segment Number	Apr. 13, 2020 USD ($)
Number of additional locations | Number				5
Number of reportable segments | Segment				2
Change in note receivable				$ 194
Carrying value of note		$ 5,136	$ 5,096	5,136
Working capital		8,300		8,300
Cash and cash equivalents		7,537	8,213	7,537
Long-term debt		1,407		1,407
Myers Power Products, Inc. Modified Preliminary Injunction [Member] | Bond [Member]
Debt		12,000		12,000
PPP Loan [Member]
Loan face value					$ 1,404
Long-term debt		1,407		1,407
Transformer Business Units [Member]
Purchase price of divestiture	$ 68,000
Transformer Business Units [Member] | Subordinated Promissory Notes [Member]
Principal amount	7,500
Cash payment for promissory note			1,800
Change in note receivable		194
Revaluation of note		40
Carrying value of note		$ 5,100		$ 5,100
Transformer Business Units [Member] | Subordinated Promissory Notes [Member] | First Seller Note [Member]
Principal amount	5,000		$ 3,200
Transformer Business Units [Member] | Subordinated Promissory Notes [Member] | Second Seller Note [Member]
Principal amount	$ 2,500

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