Disaggregation of Revenues, Geographic Sales and Product Sales - Net Sales by Geographic Areas (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 30, 2022	Dec. 31, 2021	Jan. 01, 2021
Geographic And Sales [Line Items]
Total net sales		$ 284,391	$ 230,472	$ 163,460
Geographic Distribution, Domestic [Member]
Geographic And Sales [Line Items]
Total net sales		14,679	10,095	6,158
Geographic Distribution, Foreign [Member]
Geographic And Sales [Line Items]
Total net sales		269,712	220,377	157,302
Geographic Distribution, Foreign [Member] | China [Member]
Geographic And Sales [Line Items]
Total net sales	[1]	148,167	107,333	71,692
Geographic Distribution, Foreign [Member] | JAPAN
Geographic And Sales [Line Items]
Total net sales		43,093	40,973	34,986
Geographic Distribution, Foreign [Member] | Other [Member]
Geographic And Sales [Line Items]
Total net sales	[2]	$ 78,452	$ 72,071	$ 50,624

[1] The China region includes sales into China and Hong Kong.  

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