Quarterly report pursuant to Section 13 or 15(d)

Accounts Payable and Accrued Liabilities (Details)

v3.19.1
Accounts Payable and Accrued Liabilities (Details) - USD ($)
$ in Thousands
Mar. 31, 2019
Dec. 31, 2018
Accounts Payable and Accrued Liabilities [Abstract]    
Accounts payable $ 608 $ 620
Severance and ad valorem tax payable 2,518 1,218
Payroll and other taxes 554 505
Accounts payable and accrued liabilities $ 3,680 $ 2,343