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Balance Sheet Details - Schedule of Accrued Liabilities (Details) - USD ($)
$ in Thousands
Jun. 30, 2022
Dec. 31, 2021
Payables and Accruals [Abstract]    
Accrued compensation (including related party amounts of $0 and $32, respectively) $ 1,191 $ 1,171
Accrued research and development 2,505 2,130
Other accrued liabilities 347 478
Accrued liabilities $ 4,043 $ 3,779