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Note 3 - Derivative Instruments (Tables) | 9 Months Ended
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Sep. 30, 2024
Notes Tables |
Schedule of Derivatives Instruments Statements of Financial Performance and Financial Position, Location [Table Text Block] |
|  | September 30, |  |  | December 31, |
Location on Condensed Consolidated Balance Sheet |  | 2024 |  |  | 2023 |
Prepaid expenses and other current assets (1),(2) |  | $ | 236 |  |  | $ | — |
Right-of-use assets and other noncurrent assets (1),(2) |  |  | — |  |  |  | — |
|  | $ | 236 |  |  | $ | — |
Derivative Instruments, Gain (Loss) [Table Text Block] |
|  | Three Months Ended |  |  | Nine Months Ended |
|  | September 30, |  |  | September 30, |
Changes in fair value of derivatives |  | 2024 |  |  | 2023 |  |  | 2024 |  |  | 2023 |
Fair value of natural gas derivatives, beginning of period |  | $ | 329 |  |  | $ | 81 |  |  | $ | — |  |  | $ | 572 |
Purchases of natural gas derivatives |  |  | — |  |  |  | — |  |  |  | 359 |  |  |  | — |
Unrealized losses transferred to realized losses, net |  |  | (80 | ) |  |  | (316 | ) |  |  | (444 | ) |  |  | (862 | )
Change in unrealized gain (loss) on natural gas derivatives (1) |  |  | (13 | ) |  |  | 267 |  |  |  | 321 |  |  |  | 322 |
Fair value of natural gas derivatives, end of period |  | $ | 236 |  |  | $ | 32 |  |  | $ | 236 |  |  | $ | 32 |
|  | Three Months Ended |  |  | Nine Months Ended |
|  | September 30, |  |  | September 30, |
Realized gain (loss) from derivative instruments |  | 2024 |  |  | 2023 |  |  | 2024 |  |  | 2023 |
Unrealized gains (losses) transferred to realized gains (losses), net |  | $ | (80 | ) |  | $ | (316 | ) |  | $ | (444 | ) |  | $ | (862 | )
Derivative settlement payments received (2) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Realized gain (loss) from natural gas derivatives, net (2) |  | $ | (80 | ) |  | $ | (316 | ) |  | $ | (444 | ) |  | $ | (862 | )

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- Definition Tabular disclosure of the location and amount of derivative instruments and nonderivative instruments designated as hedging instruments reported before netting adjustments, and the amount of gain (loss) on derivative instruments and nonderivative instruments designated and qualified as hedging instruments. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4E -Publisher FASB -URI https://asc.fasb.org/1943274/2147480434/815-10-50-4E Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Publisher FASB -URI https://asc.fasb.org/1943274/2147480434/815-10-50-4C Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480434/815-10-50-4A + Details
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- Definition Tabular disclosure of derivative instruments (including nonderivative instruments that are designated and qualify as hedging instruments) of (a) the location and amount of gains and losses reported in the statement of financial performance and (b) the location and fair value amounts of the instruments reported in the statement of financial position. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Publisher FASB -URI https://asc.fasb.org/1943274/2147480434/815-10-50-4A + Details
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