Facility Leases - Summary of Lease Costs and Other Information to Company's Finance and Operating Liabilities (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Lease Cost
Amortization of finance right-of-use assets	$ 149	$ 113
Interest on finance lease liabilities	14	21
Operating lease cost	112	52
Short-term lease cost	105	115
Total lease cost	380	$ 301
Cash paid for amounts included in the measurement of lease liability – finance leases	163
Cash paid for amounts included in the measurement of lease liability – operating leases	$ 54
Weighted-average remaining lease term – finance leases	1 year 7 months 9 days
Weighted-average remaining lease term – operating leases	4 years 6 months
Weighted-average discount rate – finance leases	10.20%
Weighted-average discount rate – operating leases	10.40%