Leases - Condensed Consolidated Statement of Operations (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Leases [Abstract]
Operating lease expense	$ 722	$ 663
Short-term lease rent expense	66	104
Variable lease expense	43	37
Total rent expense	831	804
Amortization of leased assets	305	209
Interest on lease liabilities	42	31
Total	$ 347	$ 240