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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)

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