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ACCRUED LIABILITIES (Tables) | 12 Months Ended
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Dec. 31, 2021
Payables and Accruals [Abstract] |
Schedule of Accrued Liabilities | The Company’s accrued liabilities consisted of the following (in thousands):
| December 31,
| 2021 |  | 2020
Compensation and benefits | $ | 3,489 |  |  | $ | 1,745 |
Professional fees | 223 |  |  | 408 |
LNG fuel and transportation | 2,788 |  |  | 1,151 |
Accrued interest | 53 |  |  | 21 |
Contract liabilities | 83 |  |  | 357 |
Other taxes payable | 717 |  |  | 328 |
Other accrued liabilities | 260 |  |  | 351 |
Total accrued liabilities | $ | 7,613 |  |  | $ | 4,361 |

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