Balance Sheet Components - Property and Equipment, Net (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Dec. 31, 2024
Land, Property and Equipment
Total property and equipment at cost	$ 1,033	$ 977
Accumulated depreciation	(550)	(513)
Property and equipment, net	483	464
Land
Land, Property and Equipment
Total property and equipment at cost	396	396
Lab equipment
Land, Property and Equipment
Total property and equipment at cost	477	477
Software
Land, Property and Equipment
Total property and equipment at cost	63	63
Furniture and fixtures
Land, Property and Equipment
Total property and equipment at cost	74	18
Computers and peripherals
Land, Property and Equipment
Total property and equipment at cost	$ 23	$ 23

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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