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Property, Plant, and Equipment - Narrative (Details)		3 Months Ended			12 Months Ended
	May 07, 2021 USD ($)	Sep. 30, 2021 USD ($) $ / bbl	Jun. 30, 2021 USD ($)	Sep. 30, 2020 USD ($) $ / bbl	Jun. 30, 2021 USD ($)
Property, Plant and Equipment [Line Items]
Capital Expenditures Incurred but Not yet Paid		$ 300,000		$ 200,000
Asset retirement obligation liabilities incurred		0			$ 0
Impairment of proved property		$ 0	$ 0	$ 9,602,620
Natural Gas and Natural Gas Liquids
Property, Plant and Equipment [Line Items]
Net price per barrel (in dollars per barrel) | $ / bbl		23.04		7.85
Barnett Shale
Property, Plant and Equipment [Line Items]
Non-operating working interest, percent	17.00%
Revenue interest, percent	14.00%
Purchase price of oil and gas assets	$ 18,300,000
Asset retirement obligation liabilities incurred	$ 2,800,000

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Cost per unit of oil and gas production.

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