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ACCRUED LIABILITIES - Schedule of Accrued Liabilities (Detail) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Accrued liabilities    
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