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v3.19.1

Accrued Liabilities | 3 Months Ended
--- | ---
Mar. 31, 2019
Payables and Accruals [Abstract] |
Accrued Liabilities | Accrued Liabilities The components of other accrued liabilities are as follows:
| As of
| March 31, 2019 |  | December 31, 2018
Contract liabilities (Note 3) | $ | 902 |  |  | $ | 1,234 |
Accrued remediation contingency (Note 14) | 1,223 |  |  | — |
Other accrued liabilities | 2,775 |  |  | 4,865 |
Total other accrued liabilities | $ | 4,900 |  |  | $ | 6,099 |

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- Definition The entire disclosure for accounts payable, accrued expenses, and other liabilities that are classified as current at the end of the reporting period. + References No definition available. + Details
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