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Balance Sheet Details - Summary of Property and Equipment (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Property Plant And Equipment [Line Items]
Property and equipment	$ 1,372	$ 76
Less accumulated depreciation	(52)	(5)
Total	1,320	71
Laboratory Equipment
Property Plant And Equipment [Line Items]
Property and equipment	1,058	$ 76
Computer Equipment and Software
Property Plant And Equipment [Line Items]
Property and equipment	77
Leasehold Improvements
Property Plant And Equipment [Line Items]
Property and equipment	91
Construction in Progress
Property Plant And Equipment [Line Items]
Property and equipment	$ 146

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Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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