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Accrued Liabilities (Tables)
6 Months Ended
Jun. 30, 2020
Payables and Accruals [Abstract]  
Schedule of Accrued Liabilities The Company’s accrued liabilities consisted of the following (in thousands):
June 30,
2020
December 31,
2019
Compensation and benefits$2,038  $2,641  
Professional fees186  131  
LNG fuel and transportation483  1,582  
Accrued interest79  134  
Contract liabilities418  185  
Other taxes payable300  163  
Other operating expenses292  182  
Total accrued liabilities$3,796  $5,018