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Supplementary Balance Sheet Information - Property and Equipment (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Jun. 30, 2025	Dec. 31, 2024
Property, equipment and depreciation and amortization
Property and equipment, gross		$ 5,068	$ 5,035
Less—accumulated depreciation and amortization		(4,402)	(4,137)
Property and equipment, net	$ 666	666	898
Furniture and office equipment
Property, equipment and depreciation and amortization
Property and equipment, gross		1,054	1,053
Leasehold improvements
Property, equipment and depreciation and amortization
Property and equipment, gross		2,568	2,568
Laboratory equipment
Property, equipment and depreciation and amortization
Property and equipment, gross		$ 1,446	$ 1,414

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- Definition

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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