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Property and Equipment (Tables)
 9 Months Ended
Mar. 31, 2020
Property, Plant and Equipment [Abstract]  
Schedule of oil and natural gas properties and other property and equipment
 
March 31,
2020
 
June 30,
2019
Oil and natural gas properties
 

 
 

Property costs subject to amortization
$
107,143,423

 
$
95,622,153

Less: Accumulated depreciation, depletion, and amortization
(39,474,737
)
 
(35,275,687
)
Unproved properties not subject to amortization
—

 
—

Oil and natural gas properties, net
$
67,668,686

 
$
60,346,466

Other property and equipment
 

 
 

Furniture, fixtures, office equipment and other, at cost
$
154,732

 
$
154,731

Less: Accumulated depreciation
(135,283
)
 
(128,313
)
Other property and equipment, net
$
19,449

 
$
26,418