Supplementary Balance Sheet and Geographic Information - Summary of Property and Equipment, Net (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 8,402	$ 8,261
Less: Accumulated depreciation	5,869	5,609
Property and equipment, net	2,533	2,652
Machinery and Equipment
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 6,761	6,643
Estimated Useful Life	7 years
Vehicles
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 31	31
Estimated Useful Life	5 years
Computer Software
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 212	212
Estimated Useful Life	5 years
Computer Equipment
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 657	656
Estimated Useful Life	5 years
Furniture and Fixtures
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 223	222
Estimated Useful Life	5 years
Leasehold Improvements
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 357	357
Leasehold Improvements \| Minimum [Member]
Property, Plant and Equipment [Line Items]
Estimated Useful Life	3 years
Leasehold Improvements \| Maximum [Member]
Property, Plant and Equipment [Line Items]
Estimated Useful Life	6 years
Construction-in-process
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 161	$ 140

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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