Quarterly report pursuant to Section 13 or 15(d)

Accounts Payable and Accrued Liabilities (Details)

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Accounts Payable and Accrued Liabilities (Details) - USD ($)
$ in Thousands
Mar. 31, 2020
Dec. 31, 2019
Accounts Payable and Accrued Liabilities [Abstract]    
Accounts payable $ 439 $ 523
Payroll and other taxes 203 205
Severance and ad valorem tax payable 1,539 1,483
Accounts payable and accrued liabilities $ 2,181 $ 2,211