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Accrued Liabilities | 9 Months Ended
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Sep. 30, 2021
Payables and Accruals [Abstract] |
Accrued Liabilities | Accrued Liabilities The Company’s accrued liabilities at September 30, 2021 and December 31, 2020 consisted of the following (in thousands):
| September 30, 2021 |  | December 31, 2020
Compensation and benefits | $ | 3,134 |  |  | $ | 1,745 |
Professional fees | 623 |  |  | 408 |
LNG fuel and transportation | 2,507 |  |  | 1,151 |
Accrued interest | — |  |  | 21 |
Contract liabilities | 288 |  |  | 357 |
Other taxes payable | 582 |  |  | 328 |
Other accrued liabilities | 298 |  |  | 351 |
Total accrued liabilities | $ | 7,432 |  |  | $ | 4,361 |

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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://fasb.org/us-gaap/role/ref/legacyRef -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=120391452&loc=d3e13212-122682 + Details
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