Paycheck Protection Program Loan (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2021	Apr. 30, 2020
Short-term Debt [Line Items]
Gain on forgiveness of PPP loan	$ 186
Paycheck Protection Program Loan
Short-term Debt [Line Items]
Aggregate principal amount		$ 186
Bore interest rate		1.00%
Gain on forgiveness of PPP loan	$ 186

Face (par) amount of debt instrument at time of issuance.

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