Asset Impairment	12 Months Ended
Dec. 31, 2025
Asset Impairment Charges [Abstract]
Asset Impairment	NOTE 3—ASSET IMPAIRMENT The Company recorded $3,231, $1,586 and $902 in impairment losses for the years ended December 31, 2025, 2024 and 2023, respectively. In 2025, $2,676 was impaired for costs related to an RNG development project for which the local utility is no longer accepting RNG into its distribution system. All associated costs other than a gas rights development payment related to the project were impaired. The remaining 2025 impairments of $555 were for specifically identified assets deemed obsolete or non-operable and consisted of $432 within the RNG segment, $120 within the REG segment and $3 within the Corporate segment. In 2024, for one of its REG sites, the Company entered into a bill of sale, assignment and assumption agreement to sell its rights to the existing fuel supply agreement and property back to the site host in advance of the fuel supply agreement termination date and received $1,000 in proceeds. The effective date of the sale, assignment and assumption agreement was October 1, 2024. The Company elected to cease operations prior to the assignment date and consequently the remaining book value of long lived assets and intangibles were impaired for $312. The $1,000 in proceeds received was recognized as Other income in the Consolidated Statement of Operations. In addition, $329 in REG impaired assets were due to initial startup testing failures for one of its REG construction work in progress sites. Remaining 2024 impairments, $843 in RNG assets and $102 in REG assets, were for various equipment that was deemed obsolete or inoperable for current operations. 2023 impairments included $777 for specifically identified RNG machinery and feedstock processing equipment that were no longer in operational use and recorded in the Company's RNG segment. The remaining $125 in impairments were for specifically identified obsolete REG critical spares. Impairment loss was recorded under Operating expenses within the Consolidated Statements of Operations for the years ended December 31, 2025, 2024, and 2023.

Asset Impairment

12 Months Ended

Dec. 31, 2025

NOTE 3—ASSET IMPAIRMENT

The Company recorded $3,231, $1,586 and $902 in impairment losses for the years ended December 31, 2025, 2024 and 2023, respectively. In 2025, $2,676 was impaired for costs related to an RNG development project for which the local utility is no longer accepting RNG into its distribution system. All associated costs other than a gas rights development payment related to the project were impaired. The remaining 2025 impairments of $555 were for specifically identified assets deemed obsolete or non-operable and consisted of $432 within the RNG segment, $120 within the REG segment and $3 within the Corporate segment. In 2024, for one of its REG sites, the Company entered into a bill of sale, assignment and assumption agreement to sell its rights to the existing fuel supply agreement and property back to the site host in advance of the fuel supply agreement termination date and received $1,000 in proceeds. The effective date of the sale, assignment and assumption agreement was October 1, 2024. The Company elected to cease operations prior to the assignment date and consequently the remaining book value of long lived assets and intangibles were impaired for $312. The $1,000 in proceeds received was recognized as Other income in the Consolidated Statement of Operations. In addition, $329 in REG impaired assets were due to initial startup testing failures for one of its REG construction work in progress sites. Remaining 2024 impairments, $843 in RNG assets and $102 in REG assets, were for various equipment that was deemed obsolete or inoperable for current operations. 2023 impairments included $777 for specifically identified RNG machinery and feedstock processing equipment that were no longer in operational use and recorded in the Company's RNG segment. The remaining $125 in impairments were for specifically identified obsolete REG critical spares.

Impairment loss was recorded under Operating expenses within the Consolidated Statements of Operations for the years ended December 31, 2025, 2024, and 2023.