Note 4 - Commitments and Contingencies (Details Textual)	Jun. 30, 2025 $ / Mcf
Oil and Gas, Delivery Commitment, Supply Dedicated or Contracted, Number	860,000
Oil and Gas, Delivery Commitment, Fixed Price	3.43

Number of oil and gas supplies dedicated or contracted to satisfy delivery commitment under existing contract or agreement.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Regulation S-K (SK)
-Number 229
-Section 1207
-Paragraph b
-Subparagraph (2)(ii)
-Publisher SEC

Name:	srt_OilAndGasDeliveryCommitmentsAndContractsSignificantSuppliesDedicatedOrContractedToEntity
Namespace Prefix:	srt_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	instant