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Asset Retirement Obligations (Tables)
12 Months Ended
Dec. 31, 2018
Asset Retirement Obligation Disclosure [Abstract]  
Schedule of Asset Retirement Obligations

The following is a reconciliation of the changes in the Company’s liabilities for asset retirement obligations for the years ended December 31, 2018 and 2017:

 

   2018   2017 
   (in thousands) 
Balance, beginning of year  $913   $1,045 
Accretion   25    32 
Sold/Plugged   (18)    (167)
New drilled wells   19    3 
Liabilities incurred   -    - 
Balance, end of year  $939   $913