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Accrued Liabilities | 9 Months Ended
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Sep. 30, 2017
Payables and Accruals [Abstract] |
Accrued Liabilities | Accrued Liabilities Accrued liabilities consisted of the following (in thousands of dollars):
| September 30, 2017 |  | December 31, 2016
Accrued compensation expenses | $ | 4,966 |  |  | $ | 6,120 |
Accrued other | 3,092 |  |  | 2,990 |
Total accrued liabilities | $ | 8,058 |  |  | $ | 9,110 |

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- Definition The entire disclosure for accounts payable and accrued liabilities at the end of the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(a),20,24) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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