Disaggregation of Sales, Geographic Sales and Product Sales - Net Sales by Geographic Areas (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jul. 01, 2022	Jul. 02, 2021	Jul. 01, 2022	Jul. 02, 2021
Geographic And Sales [Line Items]
Total net sales		$ 81,101	$ 62,367	$ 144,301	$ 113,119
Geographic Distribution, Domestic [Member]
Geographic And Sales [Line Items]
Total net sales		3,872	2,704	6,502	5,044
Geographic Distribution, Foreign [Member]
Geographic And Sales [Line Items]
Total net sales		77,229	59,663	137,799	108,075
Geographic Distribution, Foreign [Member] | China [Member]
Geographic And Sales [Line Items]
Total net sales		46,150	32,930	74,389	52,573
Geographic Distribution, Foreign [Member] | JAPAN
Geographic And Sales [Line Items]
Total net sales		10,302	9,283	21,935	18,886
Geographic Distribution, Foreign [Member] | Other [Member]
Geographic And Sales [Line Items]
Total net sales	[1]	$ 20,777	$ 17,450	$ 41,475	$ 36,616

[1] No other location individually exceeds 10% of the total sales.