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Revenue Recognition (Tables)
 6 Months Ended
Jun. 30, 2019
Revenue from Contract with Customer [Abstract]  
Schedule of Disaggregated Revenue

The following table presents our disaggregated revenue by major source and geographic area for the three and six months ended June 30, 2019 and 2018.

 

   Three Months Ended
June 30,		   Six Months Ended
June 30,		 
   2019   2018   2019   2018 
   (in thousands) 
Revenue:                    
North Dakota                    
Oil  $637   $784   $1,159   $1,589 
Natural gas and liquids   42    82    93    172 
Total  $679   $866   $1,252   $1,761 
                     
Texas                    
Oil  $1,123   $508   $2,016   $933 
Natural gas and liquids   70    54    165    129 
Total  $1,193   $562   $2,181   $1,062 
                     
Louisiana                    
Oil  $-   $-   $-   $- 
Natural gas and liquids   -    145    -    305 
Total  $-   $145   $-   $305 
                     
Combined Total  $1,872   $1,573   $3,433   $3,128