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GOODWILL AND OTHER INTANGIBLE ASSETS (Tables) | 3 Months Ended
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Mar. 31, 2018
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of goodwill by segment | There were no changes in the carrying values of goodwill for the three months ended March 31, 2018.
|  | T&D Solutions Segment |  |  | Critical Power Solutions Segment |  |  | Total Goodwill |
Gross Goodwill: |  |  |  |  |  |  |  |  |  |  |  |
Balance as of January 1, 2018 |  | $ | 6,533 |  |  | $ | 2,970 |  |  | $ | 9,503 |
No activity |  |  | — |  |  |  | — |  |  |  | — |
Balance as of March 31, 2018 |  | $ | 6,533 |  |  | $ | 2,970 |  |  | $ | 9,503 |
Accumulated impairment losses: |  |  |  |  |  |  |  |  |  |  |  |
Balance as of January 1, 2018 |  | $ | (976 | ) |  | $ | — |  |  | $ | (976 | )
No activity |  |  | — |  |  |  | — |  |  |  | — |
Balance as of March 31, 2018 |  | $ | (976 | ) |  | $ | — |  |  | $ | (976 | )
Net Goodwill as of March 31, 2018 |  | $ | 5,557 |  |  | $ | 2,970 |  |  | $ | 8,527 |
Schedule of changes in intangible asset balances | Changes in the carrying values of intangible assets for the three months ended March 31, 2018, were as follows:
|  | T&D Solutions Segment |  |  | Critical Power Solutions Segment |  |  | Total Intangible Assets |
Balance as of January 1, 2018, net |  | $ | 3,677 |  |  | $ | 1,245 |  |  | $ | 4,922 |
Amortization |  |  | (73 | ) |  |  | (280 | ) |  |  | (353 | )
Balance as of March 31, 2018, net |  | $ | 3,604 |  |  | $ | 965 |  |  | $ | 4,569 |
Schedule of components of intangible assets | The components of intangible assets as of March 31, 2018 are summarized below:
|  | Weighted Average Amortization Years |  |  | Gross Carrying Amount |  |  | Accumulated Amortization |  |  | Foreign Currency Translation |  |  | Net Book Value |
Customer relationships |  | 7 |  |  | $ | 6,689 |  |  | $ | (5,138 | ) |  | $ | — |  |  | $ | 1,551 |
Non-compete agreements |  | 4 |  |  |  | 155 |  |  |  | (129 | ) |  |  | — |  |  |  | 26 |
Trademarks |  | Indefinite |  |  |  | 1,816 |  |  |  | — |  |  |  | — |  |  |  | 1,816 |
Internally developed software |  | 7 |  |  |  | 289 |  |  |  | (134 | ) |  |  | — |  |  |  | 155 |
Developed technology |  | 10 |  |  |  | 493 |  |  |  | (161 | ) |  |  | — |  |  |  | 332 |
Technology-related industry accreditations |  | Indefinite |  |  |  | 706 |  |  |  | — |  |  |  | (17 | ) |  |  | 689 |
Total intangible assets |  |  |  |  | $ | 10,148 |  |  | $ | (5,562 | ) |  | $ | (17 | ) |  | $ | 4,569 |

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- Definition Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance with a finite life, by either major class or business segment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
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- Definition Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13854-109267 + Details
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