ACCRUED LIABILITIES (Tables)

6 Months Ended

Jun. 30, 2021

Accrued Liabilities [Abstract]

Schedule of Accrued Liabilities

Accrued liabilities consisted of the following:
	June 30, 2021		December 31, 2020
	(thousands of dollars)
State taxes	$	107	$	125
Property taxes	1,772		—
Payroll	1,615		2,282
Royalties	526		260
Officer compensation	766		1,053
AMAK foreign taxes and transaction costs	—		1,613
Other	2,602		1,524
Total accrued liabilities	$	7,388	$	6,857