Intangible Assets, Net (Tables)

9 Months Ended

Sep. 30, 2022

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Intangible Assets with Definite Lives

	September 30, 2022
	Cost		Accumulated Amortization			Intangible Assets, Net		Weighted Average Amortization Period (Years)
Power purchase agreements	$	8,999	$	(7,436	)	$	1,563		18.1
Transmission/distribution interconnection		1,600		(945	)		655		15.1
CNG sales contract		807		(779	)		28		10.0
Intellectual property		43		(23	)		20		5.0
Total intangible assets	$	11,449	$	(9,183	)	$	2,266

	December 31, 2021
	Cost		Accumulated Amortization			Intangible Assets, Net		Weighted Average Amortization Period (years)
Power purchase agreements	$	8,999	$	(6,986	)	$	2,013		18.1
Transmission/distribution interconnection		1,600		(865	)		735		15.1
CNG sales contract		807		(719	)		88		10.0
Intellectual property		43		(18	)		25		5.0
Total intangible assets	$	11,449	$	(8,588	)	$	2,861

Schedule of Estimated Future Amortization Expense For Definite Lived Intangible Assets

Three months ended December 31, 2022	$	198
Fiscal year:
2023		465
2024		275
2025		266
2026		238
Thereafter		824
	$	2,266