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Asset Retirement Obligations - Summary of Asset Retirement Obligations (Details)		12 Months Ended
	Nov. 01, 2019 USD ($)	Jun. 30, 2021 USD ($) well	Jun. 30, 2020 USD ($) well
Reconciliation of the beginning and ending asset retirement obligation
Asset retirement obligations—beginning of period		$ 2,588,894	$ 1,610,845
Liabilities incurred		0	40,698
Liabilities settled		(99,231)	(86,592)
Liabilities acquired		2,806,331	903,580
Accretion of discount		210,182	146,504
Revisions of previous estimates		77,096	(26,141)
Asset retirement obligations—ending of period		5,583,272	2,588,894
Asset retirement obligations due within one year		44,520	0
Long-term portion of asset retirement obligations		$ 5,538,752	$ 2,588,894
Hamilton Dome Field
Property, Plant and Equipment [Line Items]
Number of abandoned wells | well			4
Abandoned wells in next twelve months | well		4
Reconciliation of the beginning and ending asset retirement obligation
Liabilities incurred	$ 900,000
Delhi Field Property
Property, Plant and Equipment [Line Items]
Number of abandoned wells | well		2	1

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Asset Retirement Obligation, Liabilities Acquired

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The carrying amount of a liability for an asset retirement obligation. An asset retirement obligation is a legal obligation associated with the disposal or retirement of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees.

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Amount of accretion expense recognized during the period that is associated with an asset retirement obligation. Accretion expense measures and incorporates changes due to the passage of time into the carrying amount of the liability.

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Current portion of the carrying amount of a liability for an asset retirement obligation. An asset retirement obligation is a legal obligation associated with the disposal or retirement of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees.

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Amount of asset retirement obligations incurred during the period.

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Amount of asset retirement obligations settled, or otherwise disposed of, during the period. This may include asset retirement obligations transferred to third parties associated with the sale of a long-lived asset.

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Amount of increase (decrease) in the asset retirement obligation from changes in the amount or timing of the estimated cash flows associated with the settlement of the obligation.

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Noncurrent portion of the carrying amount of a liability for an asset retirement obligation. An asset retirement obligation is a legal obligation associated with the disposal or retirement of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees.

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