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Note 3 - Acquisitions (Details Textual) - USD ($) $ in Thousands |  |  |  | 1 Months Ended | 3 Months Ended | 9 Months Ended
--- | --- | --- | --- | --- | --- | ---
Jun. 27, 2022 | Jun. 21, 2022 | Mar. 25, 2022 | Jun. 30, 2022 | Mar. 31, 2022 | Jun. 30, 2022 | Mar. 31, 2022 | Sep. 30, 2023 | Sep. 30, 2022
Stock Issued During Period, Shares, Acquisitions | 3,522,117 | 371,517 | 6,960,000 |  |  |  |  |  |
Stock Issued During Period, Value, Acquisitions |  |  |  |  |  | $ 108,383 | $ 156,599 |  |
Payments to Acquire Oil and Gas Property and Equipment |  |  |  |  |  |  |  | $ 9,600 | $ 19,200
Hannathon Petroleum, LLC Property [Member] |  |  |  |  |  |  |  |  |
Business Combination, Consideration Transferred |  |  |  | $ 337,200 |  |  |  |  |
Stock Issued During Period, Shares, Acquisitions |  |  |  | 3,522,117 |  |  |  |  |
Stock Issued During Period, Value, Acquisitions |  |  |  | $ 97,200 |  |  |  |  |
Alamo Acquisitions [Member] |  |  |  |  |  |  |  |  |
Business Combination, Consideration Transferred |  |  |  | $ 11,000 | $ 156,100 |  |  |  |
Stock Issued During Period, Shares, Acquisitions |  |  |  | 371,517 | 6,960,000 |  |  |  |
Stock Issued During Period, Value, Acquisitions |  |  |  | $ 11,200 | $ 156,600 |  |  |  |

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- Definition Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 30 -Paragraph 8 -SubTopic 30 -Topic 805 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479637/805-30-30-8 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b) -SubTopic 30 -Topic 805 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479581/805-30-50-1 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 30 -Paragraph 7 -SubTopic 30 -Topic 805 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479637/805-30-30-7 + Details
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- Definition The cash outflow to purchase long lived physical asset for use in the normal oil and gas operations and to purchase mineral interests in oil and gas properties not intended for resale. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 13 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-13 + Details
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