Debt - Schedule of Long-term Debt Balance (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Debt Disclosure [Abstract]
Principal loan balance	$ 10,000	$ 10,000
Unamortized debt discount and issuance costs	(408)	(431)
Cumulative accretion of final fee	83	53
Long-term debt, net	$ 9,675	$ 9,622

Amount of unamortized debt discount (premium) and debt issuance costs.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant