Property and Equipment, Net (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Property and Equipment, Net
Total property and equipment	$ 8,579		$ 8,579		$ 8,749
Less: Accumulated depreciation	(6,429)		(6,429)		(5,915)
Total property and equipment, net	2,150		2,150		2,834
Depreciation expense	350	$ 416	709	$ 706
Furniture, fixtures, and vehicles
Property and Equipment, Net
Total property and equipment	225		225		62
Computer hardware and software
Property and Equipment, Net
Total property and equipment	345		345		341
Leasehold improvements
Property and Equipment, Net
Total property and equipment	3,931		3,931		3,931
Lab equipment
Property and Equipment, Net
Total property and equipment	4,068		4,068		4,249
Construction in progress
Property and Equipment, Net
Total property and equipment	$ 10		$ 10		$ 166