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Derivatives (Details)
 12 Months Ended
Jun. 30, 2016
USD ($)
$ / bbl
bbl
Jun. 30, 2015
USD ($)
Jun. 30, 2014
USD ($)
Derivative [Line Items]      
Net asset position of derivatives with counterparty $ 14,132    
Gain on derivatives 3,439,229    
Gain on settled derivatives 3,315,123    
Net gain on unsettled derivatives 124,106    
(Gain) loss on derivative instruments, net $ (3,439,229) $ 109,974 $ 0
Crude Oil | Options      
Derivative [Line Items]      
Volumes (in Bbls./day) | bbl 600    
Weighted Average Floor Price ($ per Bbl) | $ / bbl 45.00    
Weighted Average Ceiling Price ($ per Bbl) | $ / bbl 55.00    
Weighted Average Put Spread ($ per Bbl) | $ / bbl 10.00