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Note 16 - Subsequent Events (Details Textual) - USD ($) $ in Thousands |  | 3 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | ---
Mar. 19, 2024 | Mar. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022 | Mar. 27, 2024 | Apr. 26, 2023
Impairment of Oil and Gas Properties |  |  | $ 26,680 | $ 0 |  |
Stock Repurchase Program, Authorized Amount |  |  |  |  |  | $ 5,000
Subsequent Event [Member] |  |  |  |  |  |
Stock Repurchase Program, Authorized Amount | $ 5,000 |  |  |  |  |
Stock Repurchase Program, Remaining Authorized Repurchase Amount |  |  |  |  | $ 4,200 |
Restricted Stock [Member] |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares) |  |  | 936,434 |  |  |
Restricted Stock [Member] | The 2022 Equity Incentive Plan [Member] | Subsequent Event [Member] |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares) | 420,000 |  |  |  |  |
Share-Based Payment Arrangement [Member] | The 2022 Equity Incentive Plan [Member] | Subsequent Event [Member] | Certain Officers and Employees [Member] |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares) | 879,000 |  |  |  |  |
Share-Based Payment Arrangement [Member] | The 2022 Equity Incentive Plan [Member] | Subsequent Event [Member] | Chief Executive Officer [Member] |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares) | 340,000 |  |  |  |  |
Share-Based Payment Arrangement [Member] | The 2022 Equity Incentive Plan [Member] | Subsequent Event [Member] | Chief Financial Officer [Member] |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares) | 180,000 |  |  |  |  |
Minimum [Member] | The 2022 Equity Incentive Plan [Member] | Subsequent Event [Member] |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year) | 2 years |  |  |  |  |
Maximum [Member] | The 2022 Equity Incentive Plan [Member] | Subsequent Event [Member] |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year) | 3 years |  |  |  |  |
Forecast [Member] | Minimum [Member] |  |  |  |  |  |
Impairment of Oil and Gas Properties |  | $ 2,000 |  |  |  |
Forecast [Member] | Maximum [Member] |  |  |  |  |  |
Impairment of Oil and Gas Properties |  | $ 3,000 |  |  |  |

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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 -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (b) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-28 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 360 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482099/360-10-50-2 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 932 -SubTopic 360 -Section 35 -Paragraph 11 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482450/932-360-35-11 + Details
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