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Enduro Purchase and Sale Agreement and "Stalking Horse" Bid - Additional Information (Details) - USD ($)	1 Months Ended	3 Months Ended			9 Months Ended
	May 31, 2018	Mar. 31, 2020	Mar. 31, 2019	Sep. 30, 2018	Mar. 31, 2020	Mar. 31, 2019
Asset Acquisition [Line Items]
Enduro transaction breakup fee		$ 0	$ 0		$ 0	$ 1,100,000
Affiliate of Enduro Resource Partners LLC
Asset Acquisition [Line Items]
Enduro transaction breakup fee				$ 1,100,000
Purchase price of oil and gas assets	$ 27,500,000
Escrow deposit	$ 2,750,000

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- Definition

Asset Acquisition, Contingent Consideration, Escrow Deposit

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- Definition

Asset Acquisition, Contingent Consideration, Proceeds From Break-Up Fee

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- Definition

[Line Items] for Asset Acquisition [Table]

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- Definition

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.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3213-108585

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