Annual report pursuant to Section 13 and 15(d)

Balance Sheet Components - Schedule of Accrued Expenses (Details)

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Balance Sheet Components - Schedule of Accrued Expenses (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Accrued Liabilities Current [Abstract]    
Professional fees $ 186 $ 55
Early exercise liability 337  
Other accrued expenses 363 71
Total accrued expenses and other current liabilities $ 886 $ 126