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ACCRUED LIABILITIES
 6 Months Ended
Jun. 30, 2020
Payables and Accruals [Abstract]  
ACCRUED LIABILITIES ACCRUED LIABILITIES
Accrued liabilities consisted of the following (in thousands):
June 30, 2020December 31, 2019
Accrued payroll and employee benefits$5,032  $1,175  
Accrued property taxes386  681  
Accrued purchase orders1,038  739  
Accrued taxes1,979  586  
Other4,776  3,164  
Total accrued liabilities$13,211  $6,345  
Other accrued liabilities consist of items that are individually less than 5% of total current liabilities.