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Summary Of Significant Accounting Policies (Summary Of Accrued Liabilities) (Details) - USD ($)
Sep. 30, 2020
Sep. 30, 2019
Payables And Accruals [Abstract]    
Accrued compensation $ 481,062 $ 1,446,710
Revenues payable 281,380 396,954
Accrued ad valorem 228,010 260,550
Other 306,911 329,252
Total accrued liabilities $ 1,297,363 $ 2,433,466