Debt - Schedule of Outstanding Borrowings under SVB Term Loan (Detail) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021	Aug. 13, 2020
Debt Instrument [Line Items]
Less current portion	$ 7,000	$ 5,833
Term loan payable, non-current	7,056	8,652
SVB Term Loan [Member]
Debt Instrument [Line Items]
Principal outstanding under term loan	13,417	14,000	$ 14,000
Term loan discount-interest	(66)	(84)
Term loan discount-unamortized deferred charges	(59)	(76)
Term loan discount-financing costs, net of accretion	(10)	(12)
Debt instrument, accrued final payment fee	774	657
Loans Payable, Noncurrent	14,056	14,485
Less current portion	7,000	5,833
Term loan payable, non-current	$ 7,056	$ 8,652

Debt instrument fee amount accrued.

No definition available.

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- Definition

Loan discounts on financing costs.

+ References

No definition available.

+ Details

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- Definition

Term loan discounts interest.

+ References

No definition available.

+ Details

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- Definition

Unamortized deferred charges.

+ References

No definition available.

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- Definition

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

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Including the current and noncurrent portions, aggregate carrying value as of the balance sheet date of loans payable (with maturities initially due after one year or beyond the operating cycle if longer).

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- Definition

Carrying value as of the balance sheet date of portion of long-term loans payable due within one year or the operating cycle if longer.

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- Definition

Carrying value as of the balance sheet date of loans payable (with maturities initially due after one year or beyond the operating cycle if longer), excluding current portion.

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