Quarterly report pursuant to Section 13 or 15(d)

ACCRUED LIABILITIES (Details)

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ACCRUED LIABILITIES (Details) - USD ($)
$ in Thousands
Mar. 31, 2020
Dec. 31, 2019
Schedule Of Accrued Liabilities [Line Items]    
Property taxes $ 940 $ 0
Payroll 1,718 1,250
Royalties 409 273
Officer compensation 344 1,687
Legal 213 0
AMAK transaction costs 1,000 1,000
Other 1,529 1,315
Total 6,720 5,740
State and Local Jurisdiction    
Schedule Of Accrued Liabilities [Line Items]    
Income taxes 247 215
Foreign Tax Authority    
Schedule Of Accrued Liabilities [Line Items]    
Income taxes $ 320 $ 0