BUSINESS SEGMENT, GEOGRAPHIC AND CUSTOMER INFORMATION (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018
Segment Reporting Information [Line Items]
Revenues	$ 20,582	$ 20,127
Depreciation and Amortization	354	2,098
Operating Loss	(11,753)	(9,125)
Assets	28,119	72,512
Operating Segments [Member] \| T&D Solutions [Member]
Segment Reporting Information [Line Items]
Revenues	8,985	8,747
Depreciation and Amortization	144	318
Operating Loss	(3,143)	(4,093)
Assets	6,075	6,024
Operating Segments [Member] \| T&D Solutions [Member] \| Switchgear [Member]
Segment Reporting Information [Line Items]
Revenues	8,985	8,747
Operating Segments [Member] \| Critical Power Segment [Member]
Segment Reporting Information [Line Items]
Revenues	11,597	11,380
Depreciation and Amortization	162	1,718
Operating Loss	(3,581)	(1,326)
Assets	4,849	7,745
Operating Segments [Member] \| Critical Power Segment [Member] \| Equipment [Member]
Segment Reporting Information [Line Items]
Revenues	1,416	1,580
Operating Segments [Member] \| Critical Power Segment [Member] \| Services [Member]
Segment Reporting Information [Line Items]
Revenues	10,181	9,800
Operating Segments [Member] \| Corporate [Member]
Segment Reporting Information [Line Items]
Assets	17,147	5,335
Unallocated Corporate Overhead Expenses [Member]
Segment Reporting Information [Line Items]
Depreciation and Amortization	48	62
Operating Loss	$ (5,029)	$ (3,706)

Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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