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Note 3 - Revenue Recognition (Tables)

9 Months Ended

Sep. 30, 2025

Notes Tables

Disaggregation of Revenue [Table Text Block]

		Three Months Ended September 30,								Nine Months Ended September 30,
		2025				2024				2025				2024
		(in thousands)
Revenue:
Rockies
Oil		$	1,097			$	1,851			$	4,012			$	5,614
Natural gas and liquids			26				45				129				127
Total		$	1,123			$	1,896			$	4,141			$	5,741
West Texas, South Texas, and Gulf Coast
Oil		$	61			$	1,107			$	715			$	4,513
Natural gas and liquids			(91	)			-				19				114
Total		$	(30	)		$	1,107			$	734			$	4,627
Mid-Continent
Oil		$	429			$	1,417			$	474			$	4,447
Natural gas and liquids			216				537				610				1,579
Total		$	645			$	1,954			$	1,084			$	6,026
Combined Total		$	1,738			$	4,957			$	5,959			$	16,394

Schedules of Concentration of Risk, by Risk Factor [Table Text Block]

		Nine Months Ended
		September 30,
		2025				2024
Purchaser A			51	%			26	%
Purchaser B			17	%			26	%
Purchaser C			6	%			4	%

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Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Publisher FASB
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+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 275
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 18
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482861/275-10-50-18

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
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