Property, Plant, and Equipment (Tables)

12 Months Ended

Dec. 31, 2021

Property, plant and equipment are as follows:


(in thousands)	Estimated Useful Life (in years)	December 31, 2021		December 31, 2020
Construction in progress	—	$	393	$	4,467
Leasehold improvements	Shorter of term of the lease or estimated useful life	2,978		34
Office equipment	5	645		83
Furniture	7	976		—
Computer equipment	3	262		381
		5,254		4,965
Less accumulated depreciation		(836)		(179)
Property and equipment, net		$	4,418	$	4,786