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Accrued Liabilities and Other - Schedule of Other Current Liabilities (Details) - USD ($)
Jun. 30, 2019
Jun. 30, 2018
Other Liabilities Disclosure [Abstract]    
Accrued incentive and other compensation $ 369,719 $ 415,182
Accrued severance 0 160,089
Asset retirement obligations due within one year 50,244 35,539
Accrued royalties, including suspended accounts 11,554 11,498
Accrued franchise taxes 5,738 162,805
Accrued ad valorem taxes 100,500 89,773
Accrued liabilities and other $ 537,755 $ 874,886