Debt - Components of carrying value of debt (Details) $ in Thousands	Sep. 30, 2022 USD ($)
Debt
Principal loan balance	$ 25,000
Final Payment Fee	149
Debt issuance costs, net of accretion	(750)
Long-term debt, net of discount	$ 24,399

Amount, excluding unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

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