Balance Sheet Components - Schedule of Accrued Expenses and Other Current Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Accrued Liabilities, Current [Abstract]
Personnel expenses	$ 1,368	$ 2,340
Professional fees	405	211
Research and development expenses	857	564
Current portion of operating lease liabilities	93	64
Other	297	257
Total accrued expenses and other current liabilities	$ 3,020	$ 3,436