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Commodity Price Risk Derivatives (Tables)
6 Months Ended
Jun. 30, 2019
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 three and six-month periods ended June 30, 2019 and 2018:

 

   Three Months Ended
June 30,
   Six Months Ended
June 30,
 
   2019   2018   2019   2018 
   (in thousands) 
Net derivative gain (loss):                    
Realized gains and (losses):                    
Oil  $    -   $(186)  $    -   $(372)
Natural gas   -    17    -    24 
Total  $-   $(169)  $-   $(348)
                     
Unrealized gains and (losses):                    
Oil  $-   $108   $-   $176 
Natural Gas   -    (25)   -    (39)
Total  $-   $83   $-   $137