Property, Plant and Equipment (Tables)

9 Months Ended

Sep. 30, 2021

Property, Plant and Equipment [Abstract]

Summary of Property and Equipment

Property, plant and equipment consist of the following (in thousands):

		As of
	Useful life (years)	September 30, 2021		December 31, 2020
Automobile	3	$	113	$	34
Computer hardware and software	3 - 5	6,046		4,840
Manufacturing and lab equipment	2 - 7	76,652		69,849
Office equipment and furniture	5 - 7	2,168		1,605
Leasehold and building improvements	2 - 12	26,956		21,934
Buildings	30	9,392		9,081
Land	N/A	3,399		3,399
		124,726		110,742
Accumulated depreciation		(72,423)		(66,262)
		$	52,303	$	44,480