Property and Equipment - Schedule of Property and Equipment (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Property Plant And Equipment [Line Items]
Property and equipment, gross	$ 6,939	$ 7,584
Less accumulated depreciation	(5,348)	(5,888)
Property and equipment, net	1,591	1,696
Manufacturing and Testing Equipment
Property Plant And Equipment [Line Items]
Property and equipment, gross	4,933	5,630
Leasehold Improvements
Property Plant And Equipment [Line Items]
Property and equipment, gross	869	848
Computers and Software
Property Plant And Equipment [Line Items]
Property and equipment, gross	561	561
Furniture, Fixtures, and Equipment
Property Plant And Equipment [Line Items]
Property and equipment, gross	397	400
Vehicles
Property Plant And Equipment [Line Items]
Property and equipment, gross	55	55
Software development - internal use
Property Plant And Equipment [Line Items]
Property and equipment, gross	74	74
Construction in Process
Property Plant And Equipment [Line Items]
Property and equipment, gross	$ 50	$ 16

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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