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GOODWILL AND OTHER INTANGIBLE ASSETS (Tables) | 12 Months Ended
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Dec. 31, 2019
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of carrying amount of goodwill by reportable segment | Changes in the carrying amount of goodwill by reportable segment during the years ended December 31, 2019 and 2018 are as follows:
|  | Critical Power Segment |  |  | Total Goodwill |
Gross Goodwill: |  |  |  |  |  |
Balance as of January 1, 2018 |  | $ | 2,969 |  |  | $ | 2,969 |
No activity |  |  | — |  |  |  | — |
Balance as of December 31, 2018 |  | $ | 2,969 |  |  | $ | 2,969 |
Accumulated impairment losses: |  |  |  |  |  |  |  |
Balance as of January 1, 2018 |  | $ | — |  |  | $ | — |
Impairment charges |  |  | — |  |  |  | — |
Balance as of December 31, 2018 |  | $ | — |  |  | $ | — |
Net Goodwill |  | $ | 2,969 |  |  | $ | 2,969 |
Gross Goodwill: |  |  |  |  |  |  |  |
Balance as of January 1, 2019 |  | $ | 2,969 |  |  | $ | 2,969 |
No activity |  |  | — |  |  |  | — |
Balance as of December 31, 2019 |  | $ | 2,969 |  |  | $ | 2,969 |
Accumulated impairment losses: |  |  |  |  |  |  |  |
Balance as of January 1, 2019 |  | $ | — |  |  | $ | — |
Impairment charges |  |  | (2,969 | ) |  |  | (2,969 | )
Balance as of December 31, 2019 |  | $ | (2,969 | ) |  | $ | (2,969 | )
Net Goodwill |  | $ | — |  |  | $ | — |
Schedule of changes in intangible asset balances | Changes in intangible asset balances for the years ended December 31, 2019 and 2018 consisted of the following:
|  | Critical Power |  |  | Total |
|  | Solutions |  |  | Intangible |
|  | Segment |  |  | Assets |
Balance as of January 1, 2018 |  | $ | 1,245 |  |  | $ | 1,245 |
Amortization |  |  | (1,121 | ) |  |  | (1,121 | )
Foreign currency translation |  |  | — |  |  |  | — |
Balance as of December 31, 2018 |  | $ | 124 |  |  | $ | 124 |
Amortization |  |  | (41 | ) |  |  | (41 | )
Impairment charges |  |  | (83 | ) |  |  | (83 | )
Foreign currency translation |  |  | — |  |  |  | — |
Balance as of December 31, 2019 |  | $ | — |  |  | $ | — |
Schedule of components of intangible assets | The components of intangible assets at December 31, 2019 are summarized below:
|  | Weighted Average Amortization Years |  |  | Gross Carrying Amount |  |  | Accumulated Amortization |  |  | Impairment Charges |  |  | Foreign Currency Translation |  |  | Net Book Value |
Internally developed software |  | 7 |  |  |  | 289 |  |  |  | (206 | ) |  |  | (83 | ) |  |  | — |  |  |  | — |
Total intangible assets |  |  |  |  |  | $ | 289 |  |  | $ | (206 | ) |  | $ | (83 | ) |  | $ | — |  |  | $ | — |
| (a) | During 2019, the Company recorded impairment charges to internally developed software intangible asset of the Critical Power business upon determining that the carrying value of these assets was not recoverable.
The components of intangible assets at December 31, 2018 are summarized below:
|  | Weighted Average Amortization Years |  |  | Gross Carrying Amount |  |  | Accumulated Amortization |  |  | Impairment Charges |  |  | Foreign Currency Translation |  |  | Net Book Value |
Customer relationships |  |  | 7 (b) |  |  | $ | 7,202 |  |  | $ | (6,175 | ) |  | $ | (377 | ) |  | $ | — |  |  | $ | 650 |
Non-compete agreements |  |  | 4 (b) |  |  |  | 705 |  |  |  | (587 | ) |  |  | (103 | ) |  |  | — |  |  |  | 15 |
Trademarks |  |  | Indefinite |  |  |  | 1,816 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 1,816 |
Internally developed software |  |  | 7 |  |  |  | 289 |  |  |  | (165 | ) |  |  | — |  |  |  | — |  |  |  | 124 |
Developed technology |  |  | 10 |  |  |  | 492 |  |  |  | (197 | ) |  |  | — |  |  |  | — |  |  |  | 295 |
Technology-related industry accreditations |  |  | Indefinite (b) |  |  |  | 1,576 |  |  |  | — |  |  |  | (870 | ) |  |  | (22 | ) |  |  | 684 |
Total intangible assets |  |  |  |  |  | $ | 12,080 |  |  | $ | (7,124 | ) |  | $ | (1,350 | ) |  | $ | (22 | ) |  | $ | 3,584 |
| (b) | During 2018, the Company recorded impairment charges to customer relationships, non-compete agreements and technology-related industry accreditations intangible assets of the switchgear business upon determining that the carrying value of these assets was not recoverable.

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