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Property and Equipment (Details) - USD ($)
6 Months Ended
Dec. 31, 2016
Jun. 30, 2016
Oil and natural gas properties    
Property costs subject to amortization $ 83,869,552 $ 77,408,353
Less: Accumulated depreciation, depletion, and amortization (20,037,180) (17,437,890)
Unproved properties not subject to amortization 0 0
Oil and natural gas properties, net 63,832,372 59,970,463
Other property and equipment    
Furniture, fixtures, office equipment and other, at cost 134,964 235,752
Less: Accumulated depreciation (86,868) (207,103)
Other property and equipment, net 48,096 $ 28,649
Delhi field    
Other property and equipment    
Capital expenditures 6,500,000  
NGL Plant Project    
Other property and equipment    
Capital expenditures 4,500,000  
Incurred costs on a cumulative basis $ 26,000,000