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BASIS OF PRESENTATION (Details Narrative) $ / shares in Units, $ in Thousands				3 Months Ended		12 Months Ended
	Dec. 31, 2019 USD ($)	Jun. 28, 2019 USD ($)	Sep. 24, 2013 USD ($) $ / shares shares	Dec. 31, 2019 USD ($)	Sep. 30, 2019 USD ($)	Dec. 31, 2019 USD ($) Segment	Dec. 31, 2018 USD ($)
Number of reportable segments \| Segment						2
Cash and cash equivalents	$ 8,213			$ 8,213		$ 8,213	$ 211
Working capital	10,100			10,100		10,100
Carrying value of note	5,096			5,096		5,096	$ 865
Gain on sale of discontinued subsidiaries						13,686
Declared dividend unpaid					$ 12,000
Myers Power Products, Inc. Modified Preliminary Injunction [Member] \| Bond [Member]
Damages sought	12,000
Transformer Business Units [Member]
Purchase price of divestiture		$ 68,000
Net consideration from divestiture						45,200
Gain on sale of discontinued subsidiaries						13,700
Transformer Business Units [Member] \| Subordinated Promissory Notes [Member]
Principal amount		7,500
Cash payment for promissory note				1,700
Revaluation of note						651
Carrying value of note	5,100			5,100		5,100
Transformer Business Units [Member] \| Subordinated Promissory Notes [Member] \| First Seller Note [Member]
Principal amount	$ 3,300	5,000		$ 3,300		$ 3,300
Transformer Business Units [Member] \| Subordinated Promissory Notes [Member] \| Second Seller Note [Member]
Principal amount		$ 2,500
IPO [Member]
Issuance of common stock			$ 7,900
Issuance of common stock (in shares) \| shares			1,265,000
Share price \| $ / shares			$ 7.00