Balance Sheet Details - Property and Equipment, net (Details) - USD ($) $ in Thousands	Apr. 02, 2022	Dec. 31, 2021
Summary of property and equipment, net
Property and equipment, gross	$ 64,019	$ 62,808
Accumulated depreciation and amortization	(41,712)	(41,025)
Property and equipment, net	22,307	21,783
Test equipment
Summary of property and equipment, net
Property and equipment, gross	41,093	39,476
Computer equipment
Summary of property and equipment, net
Property and equipment, gross	10,735	11,156
Software
Summary of property and equipment, net
Property and equipment, gross	9,264	9,013
Furniture and fixtures
Summary of property and equipment, net
Property and equipment, gross	1,526	1,812
Leasehold improvements
Summary of property and equipment, net
Property and equipment, gross	$ 1,401	$ 1,351

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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