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Receivables (Details) - USD ($)
Mar. 31, 2020
Jun. 30, 2019
Receivables [Abstract]    
Receivables from oil and gas sales $ 1,978,942 $ 3,168,116
Receivables for federal and state income tax refunds 3,243,271 0
Total receivables $ 5,222,213 $ 3,168,116