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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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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BALANCE SHEET COMPONENTS - Schedule of Property and Equipment, Net (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025	Dec. 31, 2024
Property, Plant and Equipment [Line Items]
Total property and equipment		$ 503	$ 769
Less: accumulated depreciation		(480)	(654)
Total property and equipment—net	$ 20	23	115
Computer and other equipment
Property, Plant and Equipment [Line Items]
Total property and equipment		191	191
Capitalized software
Property, Plant and Equipment [Line Items]
Total property and equipment		89	89
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Total property and equipment		76	151
Leasehold improvements
Property, Plant and Equipment [Line Items]
Total property and equipment		$ 147	$ 338