Annual report pursuant to Section 13 and 15(d)

Accounts Payable and Accrued Liabilities (Details)

v3.10.0.1
Accounts Payable and Accrued Liabilities (Details) - USD ($)
$ in Thousands
Dec. 31, 2018
Dec. 31, 2017
Accounts Payable and Accrued Liabilities [Abstract]    
Accounts payable $ 620 $ 840
Severance and ad valorem tax payable 505 975
Payroll and other taxes 1,218 1,224
Accounts payable and accrued liabilities $ 2,343 $ 3,039