Annual report pursuant to Section 13 and 15(d)

Accounts Payable and Accrued Liabilities (Details)

v3.6.0.2
Accounts Payable and Accrued Liabilities (Details) - USD ($)
$ in Thousands
Dec. 31, 2016
Dec. 31, 2015
Accounts Payable and Accrued Liabilities [Abstract]    
Accounts payable $ 725 $ 1,402
Severance and ad valorem tax payable 1,649 1,992
Payroll and other taxes 1,251 1,173
Accounts payable and accrued liabilities $ 3,625 $ 4,567