Property, Plant and Equipment (Tables)

3 Months Ended

Mar. 31, 2022

Property, Plant and Equipment [Abstract]

Schedule of Property Plant and Equipment

Property, plant, and equipment consisted of the following:

(in thousands)	March 31, 2022		December 31, 2021
Land	$	1,462	$	912
Pilot plant	5,599		5,517
Lab equipment	2,447		2,227
Machinery and equipment	663		655
Computer and other equipment	417		388
Construction in process	66,429		55,026
	77,017		64,725
Less accumulated depreciation and amortization	(7,688)		(7,540)
Total property, plant, and equipment, net	$	69,329	$	57,185