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Note 2 - Acquisitions and Dispositions (Details Textual)	3 Months Ended			6 Months Ended	9 Months Ended
	Mar. 31, 2025 USD ($)	Jun. 30, 2024 USD ($) a	Mar. 31, 2024 USD ($) a	Jun. 30, 2024 USD ($) a	Sep. 30, 2024 USD ($) a
Gain (Loss) on Disposition of Property Plant Equipment, Excluding Oil and Gas Property and Timber Property	$ 619,000
NEW MEXICO
Area of Land | a		12	48	12
Oil, Productive Well, Number of Wells, Net			23
Proceeds from Sale, Land, Held-for-Use		$ 150,600	$ 375,600
TEXAS
Proceeds from Divestiture of Businesses				$ 54,800
OKLAHOMA
Area of Land | a					47
Proceeds from Sale, Land, Held-for-Use					$ 93,850

X

- Definition

Number of oil-producing wells and oil wells capable of production representing summation of fractional ownership working interest to whole.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Regulation S-K (SK)
-Number 229
-Section 1208
-Paragraph a
-Publisher SEC

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+ References

No definition available.

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X

- Definition

Amount of gain (loss) on sale or disposal of property, plant and equipment assets, excluding oil and gas property and timber property.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 28
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-28

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 360
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 5
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482130/360-10-45-5

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 360
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482099/360-10-50-3

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- Definition

The cash inflow associated with the amount received from the sale of a portion of the company's business, for example a segment, division, branch or other business, during the period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 12
-Subparagraph (b)
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-URI https://asc.fasb.org/1943274/2147482740/230-10-45-12

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+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Section 45
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