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Note 13 - Fair Value Measurements (Tables) | 9 Months Ended
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Sep. 30, 2023
Notes Tables |
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] |
As of September 30, 2023
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Net Fair Value |
|  | Quoted Prices |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Presented in the |
|  | in Active Markets |  |  | Significant Other |  |  | Significant |  |  |  |  |  |  |  |  |  |  | Unaudited |
|  | for Identical |  |  | Observable |  |  | Unobservable |  |  |  |  |  |  |  |  |  |  | Condensed |
|  | Assets |  |  | Inputs |  |  | Inputs |  |  | Total |  |  | Effect of |  |  | Consolidated |
|  | (Level 1) |  |  | (Level 2) |  |  | (Level 3) |  |  | Fair Value |  |  | Netting |  |  | Balance Sheet |
(in thousands) |
Assets |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Current: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commodity derivatives |  | $ | - |  |  | $ | 102 |  |  | $ | - |  |  | $ | 102 |  |  | $ | (44 | ) |  | $ | 58 |
Non-Current: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commodity derivatives |  | $ | - |  |  | $ | 16 |  |  | $ | - |  |  | $ | 16 |  |  | $ | - |  |  | $ | 16 |
Liabilities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Current: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commodity derivatives |  | $ | - |  |  | $ | (466 | ) |  | $ | - |  |  | $ | (466 | ) |  | $ | 44 |  |  | $ | (422 | )
Net derivative instruments |  | $ | - |  |  | $ | (348 | ) |  | $ | - |  |  | $ | (348 | ) |  | $ | - |  |  | $ | (348 | )
As of December 31, 2022
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Net Fair Value |
|  | Quoted Prices |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Presented in the |
|  | in Active Markets |  |  | Significant Other |  |  | Significant |  |  |  |  |  |  |  |  |  |  | Unaudited |
|  | for Identical |  |  | Observable |  |  | Unobservable |  |  |  |  |  |  |  |  |  |  | Condensed |
|  | Assets |  |  | Inputs |  |  | Inputs |  |  | Total |  |  | Effect of |  |  | Consolidated |
|  | (Level 1) |  |  | (Level 2) |  |  | (Level 3) |  |  | Fair Value |  |  | Netting |  |  | Balance Sheet |
(in thousands) |
Assets |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Current: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commodity derivatives |  | $ | - |  |  | $ | 488 |  |  | $ | - |  |  | $ | 488 |  |  | $ | (488 | ) |  | $ | - |
Liabilities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Current: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commodity derivatives |  | $ | - |  |  | $ | (2,182 | ) |  | $ | - |  |  | $ | (2,182 | ) |  | $ | 488 |  |  | $ | (1,694 | )
Net derivative instruments |  | $ | - |  |  | $ | (1,694 | ) |  | $ | - |  |  | $ | (1,694 | ) |  | $ | - |  |  | $ | (1,694 | )
Fair Value, Assets Measured on Recurring Basis [Table Text Block] |
|  | September 30, 2023 |  |  | December 31, 2022 |
Current assets: |  |  |  |  |  |  |  |
Marketable equity securities |  |  |  |  |  |  |  |
Number of shares owned |  |  | 2,421,180 |  |  |  | 2,421,180 |
Quoted market price |  | $ | 0.06665 |  |  | $ | 0.04429 |
Fair value of marketable equity securities |  | $ | 161,381 |  |  | $ | 107,234 |

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- Definition Tabular disclosure of assets and liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482106/820-10-50-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482106/820-10-50-2 + Details
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