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Accrued Liabilities
 3 Months Ended
Mar. 31, 2022
Payables and Accruals [Abstract]  
Accrued Liabilities ACCRUED LIABILITIES
    The Company’s accrued liabilities at March 31, 2022 and December 31, 2021 consisted of the following (in thousands):
March 31,
2022		December 31,
2021
Compensation and benefits$3,669 $3,489 
Professional fees297 223 
LNG fuel and transportation2,283 2,788 
Accrued interest29 53 
Contract liabilities315 83 
Other taxes payable573 717 
Other accrued liabilities245 260 
Total accrued liabilities$7,411 $7,613