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Note 5 - Oil and Natural Gas Producing Activities (Details Textual) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2024 USD ($)	Jun. 30, 2023 USD ($)	Jun. 30, 2024 USD ($) $ / item	Jun. 30, 2023 USD ($)	Dec. 31, 2023
Oil and Gas Property, Ceiling Test, Discount Rate					10.00%
Impairment, Oil and Gas, Property with Unproved and Proved Reserves | $	$ 0	$ 0	$ 5,419	$ 0
Crude Oil [Member]
Oil and Gas, Average Sale Price Per Unit (in USD per Per Share)			79
Natural Gas and Natural Gas Liquids (NGL) [Member]
Oil and Gas, Average Sale Price Per Unit (in USD per Per Share)			2.33

X

- Definition

Average sale price per unit of oil or gas produced.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Regulation S-K (SK)
-Number 229
-Section 1204
-Paragraph b
-Subparagraph (1)
-Publisher SEC

+ Details

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Namespace Prefix:	srt_
Data Type:	srt-types:perUnitItemType
Balance Type:	na
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X

- Definition

Amount of impairment loss for oil and gas properties with proved and unproved reserves in oil- and gas-producing activities.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 28
-Subparagraph (b)
-SubTopic 10
-Topic 230
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-28

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 360
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482099/360-10-50-2

+ Details

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X

- Definition

Represents the discount rate used in a ceiling test for oil and gas property.

+ References

No definition available.

+ Details

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- Details

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Namespace Prefix:
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- Details

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Namespace Prefix:
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