Balance Sheet Components - Schedule of Accrued Expenses and Other Current Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Payables and Accruals [Abstract]
Accrued litigation expenses	$ 1,000
Accrued professional and legal services	722	$ 308
Accrued transaction expenses	558	567
Accrued patent reimbursement costs		48
Other current liabilities	230	22
Total accrued expenses and other current liabilities	$ 2,510	$ 945