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Revenue Recognition (Tables)
3 Months Ended
Sep. 30, 2021
Revenue from Contract with Customer [Abstract]  
Disaggregation of Revenue Our revenue is primarily generated from our interests in the Delhi field in Northeast Louisiana, the Barnett Shale assets of North Texas, and the Hamilton Dome field in Wyoming. Additionally, an overriding royalty interest retained in a past divestiture of Texas properties provided de minimis revenue.
Three Months Ended
September 30,
 20212020
Revenues  
Oil$8,858,463 $5,379,161 
Natural gas liquids4,562,218 216,026 
Natural gas5,458,329 189 
Total revenues$18,879,010 $5,595,376