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Revenue Recognition (Tables)
12 Months Ended
Jun. 30, 2020
Revenue from Contract with Customer [Abstract]  
Disaggregation of Revenue
Additionally, an overriding royalty interest retained in a past divestiture of Texas properties provided de minimis revenue:
 
June 30,
 
2020
 
2019
Revenues
 

 
 

Crude oil
$
28,578,879

 
$
40,779,052

Natural gas liquids
1,018,349

 
2,449,359

Natural gas
2,068

 
1,210

Total revenues
$
29,599,296

 
$
43,229,621