CIRM Grants (Details) - LAD-I CIRM Grant [Member] - USD ($) $ in Thousands	Jan. 02, 2024	Dec. 31, 2023	Apr. 30, 2019
CIRM Grant [Abstract]
Grant award for clinical development support			$ 7,500
Milestone payments received		$ 5,800
Grant receivable included in prepaid and other assets		$ 50
Subsequent Event
CIRM Grant [Abstract]
Milestone payments received	$ 50