Properties And Equipment - Summary of Properties and Equipment and Related Accumulated DD&A (Details) - USD ($)	Jun. 30, 2020	Sep. 30, 2019
Properties and equipment at cost, based on successful efforts accounting:
Producing oil and natural gas properties	$ 324,913,067	$ 354,718,398
Non-producing oil and natural gas properties	19,081,485	14,599,023
Other property and equipment	777,104	717,121
Gross properties and equipment, at cost, based on successful efforts accounting	344,771,656	370,034,542
Less accumulated depreciation, depletion and amortization	(261,733,655)	(258,607,521)
Net properties and equipment	$ 83,038,001	$ 111,427,021

Oil and gas property successful effort method gross excluding other oil and gas property.

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Capitalized costs of proved properties incurred for any combination mineral interests acquisitions; wells and related equipment; support equipment and facilities; and uncompleted wells and equipment and other costs not previously disclosed within this table.

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Capitalized costs of unproved properties incurred for any combination mineral interests acquisitions and other costs not previously disclosed within this table.

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Amount of accumulated depreciation, depletion and amortization of oil and gas property carried under the successful effort method. Oil and gas property include, but not limited to, the entity's wells and related equipment and facilities.

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Oil and gas properties net of accumulated depreciation, depletion, amortization, impairment, and abandonment, carried under the successful effort method.

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Amount of oil and gas properties accounted for using the successful effort method, classified as other.

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