BUSINESS SEGMENT AND GEOGRAPHIC INFORMATION (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Segment Reporting Information [Line Items]
Revenues	$ 5,569	$ 4,567	$ 13,947	$ 14,688
Depreciation and Amortization	111	456	283	1,423
Operating Loss	(3,587)	(1,167)	(6,579)	(3,865)
Services [Member]
Segment Reporting Information [Line Items]
Revenues	2,673	2,905	6,800	7,659
Operating Segments [Member] \| T&D Solutions [Member]
Segment Reporting Information [Line Items]
Revenues	2,597	1,274	6,408	5,858
Depreciation and Amortization	37	71	108	252
Operating Loss	(1,154)	(667)	(1,928)	(1,231)
Operating Segments [Member] \| T&D Solutions [Member] \| Switchgear [Member]
Segment Reporting Information [Line Items]
Revenues	2,597	1,274	6,408	5,858
Operating Segments [Member] \| Critical Power Solutions [Member]
Segment Reporting Information [Line Items]
Revenues	2,972	3,293	7,539	8,830
Depreciation and Amortization	63	369	136	1,122
Operating Loss	(162)	140	(310)	(534)
Operating Segments [Member] \| Critical Power Solutions [Member] \| Equipment [Member]
Segment Reporting Information [Line Items]
Revenues	299	388	739	1,171
Operating Segments [Member] \| Critical Power Solutions [Member] \| Services [Member]
Segment Reporting Information [Line Items]
Revenues	2,673	2,905	6,800	7,659
Unallocated Corporate Overhead Expenses [Member]
Segment Reporting Information [Line Items]
Depreciation and Amortization	11	16	39	49
Operating Loss	$ (2,271)	$ (640)	$ (4,341)	$ (2,100)

The current period expense charged against earnings on long-lived, physical assets not used in production, and which are not intended for resale, to allocate or recognize the cost of such assets over their useful lives; or to record the reduction in book value of an intangible asset over the benefit period of such asset; or to reflect consumption during the period of an asset that is not used in production.

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