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BUSINESS SEGMENT AND GEOGRAPHIC INFORMATION (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Segment Reporting Information [Line Items]
Revenues	$ 5,087	$ 5,360	$ 10,088	$ 8,378
Depreciation and Amortization	125	88	248	172
Operating (loss) income	(1,184)	(1,550)	(2,932)	(2,993)
Services [Member]
Segment Reporting Information [Line Items]
Revenues	1,875	2,356	3,744	4,127
Operating Segments [Member] | T&D Solutions [Member]
Segment Reporting Information [Line Items]
Revenues	2,987	2,737	5,864	3,810
Depreciation and Amortization	33	37	68	71
Operating (loss) income	(626)	(543)	(1,403)	(777)
Operating Segments [Member] | T&D Solutions [Member] | Switchgear [Member]
Segment Reporting Information [Line Items]
Revenues	2,987	2,737	5,864	3,810
Operating Segments [Member] | Critical Power Solutions [Member]
Segment Reporting Information [Line Items]
Revenues	2,100	2,623	4,224	4,568
Depreciation and Amortization	84	37	163	73
Operating (loss) income	(199)	251	(399)	(149)
Operating Segments [Member] | Critical Power Solutions [Member] | Equipment [Member]
Segment Reporting Information [Line Items]
Revenues	225	267	480	441
Operating Segments [Member] | Critical Power Solutions [Member] | Services [Member]
Segment Reporting Information [Line Items]
Revenues	1,875	2,356	3,744	4,127
Unallocated Corporate Overhead Expenses [Member]
Segment Reporting Information [Line Items]
Depreciation and Amortization	8	14	17	28
Operating (loss) income	$ (359)	$ (1,258)	$ (1,130)	$ (2,067)

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