Property and Equipment (Tables)

12 Months Ended

Dec. 31, 2021

Property, Plant and Equipment [Abstract]

Schedule of Property and Equipment, Net

Property and equipment, net consists of the following:

	December 31,
	2021			2020
	(in thousands)
Laboratory equipment	$	5,857		$	12,703
Manufacturing equipment		—			7,754
Computers and purchased software		1,596			1,596
Furniture and fixtures		645			1,363
Leasehold improvements		—			29,961
Property and equipment, at cost		8,098			53,377
Less accumulated depreciation and amortization		(5,846	)		(16,375	)
Property and equipment, net	$	2,252		$	37,002