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Property and Equipment (Tables)
 3 Months Ended
Sep. 30, 2017
Property, Plant and Equipment [Abstract]  
Schedule of oil and natural gas properties and other property and equipment
As of September 30, 2017 and June 30, 2017, our oil and natural gas properties and other property and equipment consisted of the following:
 
September 30,
2017
 
June 30,
2017
Oil and natural gas properties
 

 
 

Property costs subject to amortization
$
85,585,703

 
$
84,962,933

Less: Accumulated depreciation, depletion, and amortization
(24,683,746
)
 
(23,172,865
)
Unproved properties not subject to amortization
—

 
—

Oil and natural gas properties, net
$
60,901,957

 
$
61,790,068

Other property and equipment
 

 
 

Furniture, fixtures, office equipment and other, at cost
$
135,377

 
$
135,377

Less: Accumulated depreciation
(98,959
)
 
(94,688
)
Other property and equipment, net
$
36,418

 
$
40,689