Facility Leases - Summary of Lease Costs and Other Information to Company's Finance and Operating Liabilities (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Lease Cost
Amortization of finance right-of-use assets	$ 102	$ 138	$ 251	$ 250
Interest on finance lease liabilities	12	25	26	46
Operating lease cost	104	53	216	105
Short-term lease cost	107	134	212	249
Total lease cost	325	$ 350	705	$ 650
Cash paid for amounts included in the measurement of lease liability – finance leases	282		282
Cash paid for amounts included in the measurement of lease liability – operating leases	$ 171		$ 171
Weighted-average remaining lease term – finance leases	1 year 5 months 4 days		1 year 5 months 4 days
Weighted-average remaining lease term – operating leases	4 years 3 months 10 days		4 years 3 months 10 days
Weighted-average discount rate – finance leases	10.20%		10.20%
Weighted-average discount rate – operating leases	10.40%		10.40%