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Note 4 - Derivative Instruments (Tables)

9 Months Ended

Sep. 30, 2023

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			2023 (1)				2022 (1)
Prepaid expenses and other current assets (2)		$	32			$	347
Right-of-use assets and other noncurrent assets (2)			—				225
		$	32			$	572

Derivative Instruments, Gain (Loss) [Table Text Block]

		Three Months Ended								Nine Months Ended
		September 30,								September 30,
Changes in fair value of derivatives		2023					2022				2023				2022
Fair value of natural gas derivatives, beginning of period		$	81			$	1,126			$	572			$	—
Purchases of natural gas derivatives			—				—				—				2,241
Unrealized losses transferred to realized losses, net			(316	)			(324	)			(862	)			(540	)
Change in unrealized gain (loss) on natural gas derivatives (1)			267				926				322				27
Fair value of natural gas derivatives, end of period		$	32			$	1,728			$	32			$	1,728

		Three Months Ended								Nine Months Ended
		September 30,								September 30,
Realized gain (loss) from derivative instruments		2023					2022				2023				2022
Unrealized gains (losses) transferred to realized gains (losses), net		$	(316	)		$	(324	)		$	(862	)		$	(540	)
Derivative settlement payments received (2)			—				682				—				1,062
Realized gain (loss) from natural gas derivatives, net (2)		$	(316	)		$	358			$	(862	)		$	522

X

- 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

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-Topic 815
-SubTopic 10
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-SubTopic 10
-Section 50
-Paragraph 4A
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-Publisher FASB
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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

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