Quarterly report pursuant to Section 13 or 15(d)

ACCRUED LIABILITIES

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ACCRUED LIABILITIES
9 Months Ended
Sep. 30, 2021
Accrued Liabilities [Abstract]  
ACCRUED LIABILITIES ACCRUED LIABILITIES
Accrued liabilities consisted of the following:
  September 30, 2021 December 31, 2020
  (thousands of dollars)
State taxes $ 107  $ 125 
Property taxes 2,347  — 
Payroll 2,653  2,282 
Royalties 143  260 
Officer compensation 1,134  1,053 
Legal 1,384  — 
AMAK foreign taxes and transaction costs —  1,613 
Other 3,276  1,524 
Total accrued liabilities $ 11,044  $ 6,857