Property, Plant and Equipment

9 Months Ended

Sep. 30, 2025

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment

Property, Plant and Equipment

Property, plant, and equipment consisted of the following as of:

(in thousands)	September 30, 2025		December 31, 2024
Land	$	56	$	56
Land improvements and infrastructure	60,388		58,452
Manufacturing equipment and pilot plant	114,204		111,053
Computer equipment and software	2,768		2,726
Lab equipment	3,713		3,496
Furniture, fixtures, and machinery	4,533		372
Leasehold improvements	4,766		4,765
Total	190,428		180,920
Less accumulated depreciation and amortization	(25,954)		(17,332)
Construction in process	61,270		40,331
Total property, plant, and equipment, net	$	225,744	$	203,919

The depreciation and amortization expense totaled $2.8 million and $8.3 million during the three and nine months ended September 30, 2025, respectively, and $2.8 million and $7.9 million during the three and nine months ended September 30, 2024, respectively.