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Note 5 - Oil and Gas Leases (Tables)

12 Months Ended

Dec. 31, 2021

Notes Tables

Results of Operations for Oil and Gas Producing Activities Disclosure [Table Text Block]

		2021				2020
Gross revenues
Royalty interests		$	364,907			$	257,247
Lease fees			-				5,882
			364,907				263,129
Production costs			(41,685	)			(29,379	)
Results before income tax expense			323,222				233,750
Estimated income tax expense			(93,734	)			(67,788	)
Results of operations from producing activities excluding corporate overhead		$	229,488			$	165,962

Oil and Gas, Average Sale Price and Production Cost [Table Text Block]

		2021				2020
Net gas produced (MCF)			10,410				12,376
Net oil produced (Bbl)			5,072				5,043

X

- Definition

Tabular disclosure of oil and gas sale price and production cost, including, but not limited to, average sale price and production cost per unit.

+ References

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

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Tabular disclosure of the results of operations for oil and gas producing activities for the year.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 932
-SubTopic 235
-Section 50
-Paragraph 23
-URI http://asc.fasb.org/extlink&oid=123377692&loc=d3e62136-109447

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