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DISCONTINUED OPERATIONS (Details 1) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2018 | Sep. 30, 2017 | Sep. 30, 2018 | Sep. 30, 2017
Costs and Expenses |  |  |  |
Loss from discontinued operations, net of income taxes | $ (730) | $ (576) | $ (1,440) | $ (1,084)
Switchgear Business [Member] |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Revenues | 1,274 | 4,299 | 5,858 | 10,118
Costs and Expenses |  |  |  |
Cost of goods sold | 1,504 | 4,052 | 5,619 | 8,957
Operating Expenses | 438 | 692 | 1,503 | 1,763
Interest income | (1) | (1) | (4) | (4)
Other expense | 257 | 132 | 563 | 486
Total costs and expenses | 2,198 | 4,875 | 7,681 | 11,202
Loss before provision for income taxes | (924) | (576) | (1,823) | (1,084)
Income tax benefit | (194) |  | (383) |
Loss from discontinued operations, net of income taxes | $ (730) | $ (576) | $ (1,440) | $ (1,084)

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