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INTANGIBLE ASSETS, NET (Tables) | 12 Months Ended
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Dec. 31, 2017
Goodwill and Intangible Assets Disclosure [Abstract] |
Summary of Intangible Assets |
|  |  |  |  | Year ended December 31, 2016 |  |  | Year ended December 31, 2017 |
|  | Weighted Average Amortization Period (Years) |  |  | Gross Carrying Amount |  |  | Accumulated Amortization |  |  | Net |  |  | Gross Carrying Amount |  |  | Accumulated Amortization |  |  | Net |
Intangible assets–amortizable: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Customer relationships |  |  | 4.5 |  |  | $ | 272 |  |  | $ | 151 |  |  | $ | 121 |  |  | $ | 272 |  |  | $ | 211 |  |  | $ | 61 |
Customer backlog |  |  | 1.5 |  |  |  | 93 |  |  |  | 93 |  |  |  | — |  |  |  | 93 |  |  |  | 93 |  |  |  | — |
Core technologies |  |  | 5.1 |  |  |  | 5,796 |  |  |  | 2,939 |  |  |  | 2,857 |  |  |  | 5,796 |  |  |  | 4,115 |  |  |  | 1,681 |
Total intangible assets |  |  |  |  |  | $ | 6,161 |  |  | $ | 3,183 |  |  | $ | 2,978 |  |  | $ | 6,161 |  |  | $ | 4,419 |  |  | $ | 1,742 |
Summary of Future Estimated Annual Amortization Charges | Future estimated annual amortization charges are as follows:
2018 |  |  | 901 |
2019 |  |  | 841 |
|  | $ | 1,742 |

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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 the amount of amortization expense expected to be recorded in succeeding fiscal years for finite-lived intangible assets. + 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 + Details
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