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Note 8 - Asset Retirement Obligations (Details Textual) - USD ($) $ in Thousands				3 Months Ended	12 Months Ended
	Jul. 27, 2022	May 03, 2022	Jan. 05, 2022	Dec. 31, 2023	Dec. 31, 2023	Dec. 31, 2022
Asset Retirement Obligation, Liabilities Incurred					$ 11	$ 11,811
Asset Retirement Obligations, Relief Through Disposals				$ 500	$ 500	$ 200
January 2022 Acquisition [Member]
Asset Retirement Obligation, Liabilities Incurred			$ 9,600
Liberty County, Texas Acquisition [Member]
Asset Retirement Obligation, Liabilities Incurred		$ 500
East Texas Acquisition [Member]
Asset Retirement Obligation, Liabilities Incurred	$ 1,700

X

- Definition

Amount of asset retirement obligations incurred during the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 410
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (c)(1)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481850/410-20-50-1

+ Details

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Balance Type:	credit
Period Type:	duration

X

- Definition

Amount of decrease in asset retirement obligations through disposals.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Details

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Namespace Prefix:
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Balance Type:
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X

- Details

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X

- Details

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