Condensed Consolidated Balance Sheet Components - Schedule of Property and Equipment, Net (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Schedule of Property and Equipment [Line Items]
Property and equipment, gross	$ 5,677	$ 5,682
Less: accumulated depreciation and amortization	(4,078)	(3,807)
Property and equipment, net	1,599	1,875
Leasehold improvements [Member]
Schedule of Property and Equipment [Line Items]
Property and equipment, gross	2,711	2,711
Lab equipment [Member]
Schedule of Property and Equipment [Line Items]
Property and equipment, gross	2,044	2,049
Office furniture & fixtures [Member]
Schedule of Property and Equipment [Line Items]
Property and equipment, gross	522	522
Computer equipment [Member]
Schedule of Property and Equipment [Line Items]
Property and equipment, gross	310	310
Capitalized software [Member]
Schedule of Property and Equipment [Line Items]
Property and equipment, gross	$ 90	$ 90