Borrowings - Summary of Borrowings (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Debt Disclosure [Abstract]
Principal outstanding and final fee	$ 35,700	$ 35,700
Less: Unamortized debt issuance costs	(79)	(100)
Unaccreted value of final fee	(496)	(627)
Outstanding debt, net of debt issuance costs and unaccreted value of final fee	35,125	34,973
Current portion of long-term borrowings	1,458	0
Long-term borrowings	$ 33,667	$ 34,973

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Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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Amount of the fee that accompanies borrowing money under the debt instrument.

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Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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

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