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Property and Equipment - Narrative (Details) - USD ($)		1 Months Ended	12 Months Ended
	Nov. 01, 2019	Dec. 31, 2019	Jun. 30, 2020	Jun. 30, 2019
Property, Plant and Equipment [Line Items]
Capital expenditures			$ 1,500,000	$ 5,200,000
Asset retirement obligation liabilities incurred			944,278	$ 31,268
Hamilton Dome Field
Property, Plant and Equipment [Line Items]
Non-operating working interest, percent	23.50%
Revenue interest, percent	19.70%
Purchase price of oil and gas assets	$ 9,500,000
Purchase price adjustments		$ 200,000
Asset retirement obligation liabilities incurred	$ 900,000		$ 900,000

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Payments To Acquire Oil And Gas Property And Equipment, Provisional Information, Initial Accounting Incomplete, Adjustment

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Future cash outflow to pay for purchases of fixed assets that have occurred.

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The cash outflow to purchase long lived physical asset for use in the normal oil and gas operations and to purchase mineral interests in oil and gas properties not intended for resale.

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