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Accrued Liabilities (Tables)
3 Months Ended
Mar. 31, 2020
Payables and Accruals [Abstract]  
Schedule of Accrued Liabilities
The Company’s accrued liabilities consisted of the following (in thousands):
 
March 31,
2020
 
December 31,
2019
 
 
 
 
Compensation and benefits
$
2,359

 
$
2,641

Professional fees
234

 
131

LNG fuel and transportation
1,366

 
1,582

Accrued interest
59

 
134

Contract liabilities
221

 
185

Other taxes payable
192

 
163

Other operating expenses
59

 
182

Total accrued liabilities
$
4,490

 
$
5,018