Leases (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Leases
Total lease cost	$ 237	$ 211
Classification of operating leases
Operating lease right-of-use assets	1,973		$ 1,281
Operating lease liability, current	747		538
Operating lease liability, non-current	$ 1,374		$ 890
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List]	Other Accrued Liabilities, Current
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]	Other Liabilities, Noncurrent
Lease cost
Operating lease cost	$ 193	168
Short-term lease cost	44	43
Total lease cost	$ 237	211
Lease Term and Discount Rate
Weighted-average remaining lease term	2 years 10 months 24 days
Weighted average discount rate	5.60%
Cash paid for amounts included in the measurement of lease liabilities
Operating cash flows from operating leases	$ 193	$ 160
Operating lease right-of-use assets obtained in exchange for new operating lease liabilities	$ 864
Minimum
Leases
Initial lease term	1 year
Maximum
Leases
Initial lease term	7 years