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Equity Method Investments (Tables) | 12 Months Ended
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Dec. 31, 2017
Equity Method Investments And Joint Ventures [Abstract] |
Schedule of Company's Share of Revenues and Operating Income Earned from the Joint Ventures in Which it is Invested |
|  | 2017 |  |  | 2016 |
Revenues |  | $ | 66 |  |  | $ | 198 |
Operating income |  | $ | 47 |  |  | $ | 52 |
Schedule of the components of assets and liabilities attributable to the Company from the Joint Ventures in which it is invested |
|  | 2017 |  |  | 2016 |
Current assets |  | $ | — |  |  | $ | 57 |
Current liabilities |  | $ | — |  |  | $ | 106 |
Schedule of Earnings of Equity Method Investments Within The Consolidated Statements of Operations and Comprehensive Loss |
|  | 2017 |  |  | 2016 |
Earnings of equity method investments included within operating income |  | $ | 47 |  |  | $ | 52 |
(Losses) earnings of equity method investments included within other income |  |  | - |  |  |  | (3 | )
Total earnings of equity method investments |  | $ | 47 |  |  | $ | 49 |

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