Leases - Condensed Consolidated Balance Sheets (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Leases [Abstract]
Operating lease right-of-use asset	$ 656	$ 1,959
Finance lease assets	186	721
Total lease assets	842	2,680
Current operating lease liabilities	595	434
Current finance lease liabilities	282	321
Non-current operating lease liabilities	932	1,403
Non-current finance lease liabilities	136	418
Total lease liabilities	$ 1,945	$ 2,576
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	Property and equipment, net	Property and equipment, net
Finance Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]	Other accrued liabilities	Other accrued liabilities