Balance sheet information - Schedule od Property and Equipment, Net (Details) - USD ($) $ in Thousands	Sep. 28, 2024	Dec. 31, 2023
Property, Plant and Equipment [Line Items]
Finance leases	$ 15,737	$ 15,737
Property and equipment and finance leases, gross	77,891	77,109
Less accumulated depreciation and amortization	(48,466)	(40,504)
Property and equipment and finance leases, net	29,425	36,605
Computer equipment and software
Property, Plant and Equipment [Line Items]
Property and equipment, gross	41,509	37,860
Demonstration and consignment inventory
Property, Plant and Equipment [Line Items]
Property and equipment, gross	9,484	9,341
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property and equipment, gross	4,063	3,763
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Property and equipment, gross	4,586	4,163
Furniture and fixtures \| Discontinued Operations, Held-for-sale
Property, Plant and Equipment [Line Items]
Property and equipment and finance leases, net	20
Machinery and equipment
Property, Plant and Equipment [Line Items]
Property and equipment, gross	1,913	2,180
Machinery and equipment \| Discontinued Operations, Held-for-sale
Property, Plant and Equipment [Line Items]
Property and equipment and finance leases, net	237
Assets not yet placed in service
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 599	$ 4,065

Amount, before accumulated amortization, of right-of-use asset from finance lease.

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Amount of accumulated depreciation and amortization from plant, property, and equipment and right-of-use asset from finance lease.

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