Operating Leases - Components of Lease Expense (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2021	Dec. 31, 2020
Leases [Abstract]
Operating lease cost		$ 650	$ 497
Short-term lease cost		5	146
Variable Lease, Cost	[1]	75	70
Total lease cost		730	713
Operating lease right-of-use asset obtained in exchange for new operating lease liabilities			1,186
Cash paid for amounts included in the measurement of lease liabilities, included in operating cash flows		$ 663	$ 484
Weighted-average remaining lease term		3 months	1 year 3 months
Weighted-average discount rate		10.00%	9.98%

[1] Variable lease cost includes common area maintenance charges