v3.26.1
DERIVATIVE FINANCIAL INSTRUMENTS AND FAIR VALUE MEASUREMENTS (Tables)
 6 Months Ended
Jun. 30, 2026
Derivative Instruments and Hedging Activities Disclosure [Abstract]  
Schedule of Interest Rate Derivatives
The location and amounts of interest rate swaps and their fair values in the condensed consolidated balance sheets are:
InJune 30,
2026		December 31,
2025		Location of Fair Value Recognized in Balance Sheet
Derivatives designated as cash flow hedges:
Short term portion of the interest rate swaps$1,116 $128 Prepaid expense and other current assets
Long term portion of the interest rate swaps1,130 — Other long-term assets
Long term portion of the interest rate swaps— (301)Other long-term liabilities
$2,246 $(173)
Schedule of Effect of Derivative Instruments on Statement of Operations
The following table summarizes the effect of commodity swaps on the condensed consolidated statements of operations for the three and six months ended June 30, 2026 and 2025:
Location of Gain (Loss) RecognizedThree Months Ended
June 30,		Six Months Ended
June 30,
2026202520262025
Derivatives not designated as hedging instruments:
Commodity swaps - realizedRevenues - Renewable Power$5 $32 $(138)$(60)
Commodity swaps - unrealizedRevenues - Renewable Power— 1 92 (12)
Commodity swaps - realizedRevenues - RNG Fuel1,193 804 256 871 
Commodity swaps - unrealizedRevenues - RNG Fuel(424)1,935 34 607 
Total realized and unrealized gain$774 $2,772 $244 $1,406 
Schedule of Derivatives Fair Values on Balance Sheet
The following table summarizes the derivative assets and liabilities related to commodity swaps as of June 30, 2026 and December 31, 2025:
Fair Value
June 30,
2026		December 31,
2025		Location of Fair value recognized in Balance Sheet
Derivatives not designated as hedging instruments:
Current portion of unrealized gain on commodity swaps$2,116 $1,933 Prepaid expense and other current assets
Current portion of unrealized loss on commodity swaps— (92)Accrued expenses and other current liabilities
Non - current portion of unrealized gain on commodity swaps— 149 Other long-term assets
Total commodity swaps - unrealized gain$2,116 $1,990 
Schedule of Fair Value Measurement Inputs and Valuation Techniques The key inputs into the Black-Scholes option pricing model for the Warrants were as follows for the relevant periods:
As of June 30, 2026As of March 6, 2026
Risk-free interest rate4.4 %4.0 %
Expected term (years)7.78.0
Expected volatility58.9 %57.7 %
Exercise price$2.7$2.7
Stock price$2.2$2.1
Schedule of Assets and Liabilities Measured at Fair Value on Recurring Basis
The Company's assets and liabilities that are measured at fair value on a recurring basis include the following as of June 30, 2026 and December 31, 2025, set forth by level, within the fair value hierarchy:
Fair values as of June 30, 2026
Level 1Level 2Level 3Total
Assets:
Money market funds$74,542 $— $— $74,542 
Interest rate swap contracts— 2,246 — 2,246 
Commodity swap contracts— 2,116 — 2,116 
Liabilities:
Warrants$— $— $2,915 $2,915 
Fair values as of December 31, 2025
Level 1Level 2Level 3Total
Assets:
Money market funds$22,969 $— $— $22,969 
Commodity swap contracts$— $2,082 $— $2,082