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Commodity Price Risk Derivatives (Tables)
12 Months Ended
Dec. 31, 2018
Derivative Instruments and Hedging Activities Disclosure [Abstract]  
Schedule of Relaized and Unrealized Derivative Gains and Losses

The following table presents the Company’s realized and unrealized derivative gains and losses for the years ended December 31, 2018 and 2017:

 

  

Year Ended

December 31,

 
   2018   2017 
   (in thousands) 
Net derivative gain (loss):          
Realized gains and (losses):          
Oil  $(292)  $135 
Natural gas   9    - 
Total   (283)   135 
           
Unrealized gains and (losses):          
Oil   216    (216)
Natural Gas   (55)   55 
Total   161    (161)