Consolidated Balance Sheet Components (Details) - Schedule of other non-current liabilities - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Schedule Of Other Non Current Liabilities Abstract
CIRM grant liability	$ 2,264	$ 600
Accrued tax liability		24
Restricted stock liability	9	19
Other non-current liabilities	80
Total	$ 2,353	$ 643