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v3.23.1

Note 1 - Organization (Details Textual) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 USD ($) $ / item | Dec. 31, 2021 USD ($) $ / item | Dec. 31, 2020 USD ($) $ / item
Impairment of Oil and Gas Properties | $ | $ 0 | $ 0 | $ 30,625
Oil and Gas, Average Sale Price (in USD per Per Share) | $ / item | 100.93 | 70.86 | 41.96
Oil and Gas, Average Sale Price, Increase (Decrease), Percentage | 42.00% | 69.00% |

X
- Definition Represents the percentage of increase (decrease) in average sale price. + References No definition available. + Details
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Balance Type: | na
Period Type: | duration

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- Definition Sales price per unit of oil and gas produced. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher SEC -Name Regulation S-K (SK) -Number 229 -Section 1204 -Paragraph (b) -Subparagraph (1) + Details
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Period Type: | duration

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- Definition The expense recorded to reduce the value of oil and gas assets consisting of proved properties and unproved properties as the estimate of future successful production from these properties is reduced. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=109226691&loc=d3e2921-110230 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3602-108585 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 360 -Section 35 -Paragraph 11 -URI https://asc.fasb.org/extlink&oid=66906256&loc=d3e66150-109466 + Details
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