Intangible Assets and Goodwill (Tables)

12 Months Ended

Dec. 31, 2024

Intangible Assets and Goodwill

Schedule of intangible assets

The gross carrying amount and accumulated amortization of the Company’s acquired identifiable intangible assets as of December 31, 2024 were as follows (in thousands):

	Weighted Average	Gross Carrying		Accumulated
	Amortization Period	Amount		Amortization		Total
Acquired technology	14 years	$	34,872	$	(7,805)	$	27,067
Dry stack electrolyzer technology	10 years		11,351		(383)		10,968
Customer relationships, trade name, and other	15 years		56,989		(10,364)		46,625
		$	103,212	$	(18,552)	$	84,660

The gross carrying amount and accumulated amortization of the Company’s acquired identifiable intangible assets as of December 31, 2023 were as follows (in thousands):

	Weighted Average	Gross Carrying		Accumulated
	Amortization Period	Amount		Amortization		Total
Acquired technology	14 years	$	103,060	$	(20,204)	$	82,856
Dry stack electrolyzer technology	10 years		29,000		(5,317)		23,683
Customer relationships, trade name, and other	13 years		103,981		(21,634)		82,347
		$	236,041	$	(47,155)	$	188,886

Schedule of future amortization of intangible assets

2025	$	8,008
2026		7,945
2027		7,945
2028		7,608
2029		7,495
2030 and thereafter		45,659
Total	$	84,660