Balance Sheet Components - Schedule of Accrued Liabilities (Detail) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Balance Sheet Related Disclosures [Abstract]
Accrued payroll and related expenses	$ 2,424	$ 3,964
Accrued research and development expenses	971	1,665
Accrued restructuring charges	225	0
Accrued professional service fees	108	638
Liability for early exercised stock options	7	89
Other	218	492
Accrued and other liabilities	$ 3,953	$ 6,848

Accrued research and development expenses.

No definition available.

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- Definition

Accrued restructuring charges

+ References

No definition available.

+ Details

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- Definition

Carrying value as of the balance sheet date of obligations, excluding pension and other postretirement benefits, incurred through that date and payable for perquisites provided to employees pertaining to services received from them.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.15(5))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479853/942-210-S99-1

+ Details

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- Definition

Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities.

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+ Details

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- Definition

Carrying value as of the balance sheet date of obligations incurred through that date and payable for professional fees, such as for legal and accounting services received.

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+ Details

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- References

No definition available.

+ Details

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- Definition

Amount of expenses incurred but not yet paid classified as other.

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+ Details

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- Definition

Amount of obligations incurred for employer-related costs classified as other.

+ References

+ Details

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