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Balance Sheet Components -Schedule of Property, Plant and Equipment (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 8,867		$ 8,867		$ 8,770
Less: Accumulated depreciation	(7,869)		(7,869)		(7,767)
Property and equipment, net	998		998		1,003
Depreciation	100	$ 100	103	$ 96
Machinery, equipment, furniture and fixtures
Property, Plant and Equipment [Line Items]
Property and equipment, gross	4,613		4,613		4,522
Computer equipment and software
Property, Plant and Equipment [Line Items]
Property and equipment, gross	1,828		1,828		1,822
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 2,426		$ 2,426		$ 2,426

X

- 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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- Definition

The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

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