Revenue - Primary Geography Markets (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 28, 2024	Sep. 30, 2023	Sep. 28, 2024	Sep. 30, 2023
Disaggregation of Revenue [Line Items]
Total net revenues	$ 28,505	$ 17,915	$ 52,662	$ 39,758
Products Transferred at a Point in Time
Disaggregation of Revenue [Line Items]
Total net revenues	28,077	17,915	52,234	39,758
Products and Services Transferred Over Time
Disaggregation of Revenue [Line Items]
Total net revenues	428	0	428	0
United States
Disaggregation of Revenue [Line Items]
Total net revenues	1,716	784	2,376	3,060
Asia
Disaggregation of Revenue [Line Items]
Total net revenues	26,789	17,034	50,286	36,590
Europe
Disaggregation of Revenue [Line Items]
Total net revenues	$ 0	$ 97	$ 0	$ 108