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Disaggregation of Revenues, Geographic Sales and Product Sales - Net Sales by Geographic Areas (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 29, 2023
Dec. 30, 2022
Dec. 31, 2021
Geographic And Sales [Line Items]      
Total net sales $ 322,415 $ 284,391 $ 230,472
Geographic Distribution, Domestic [Member]      
Geographic And Sales [Line Items]      
Total net sales 17,221 14,679 10,095
Geographic Distribution, Foreign [Member]      
Geographic And Sales [Line Items]      
Total net sales 305,194 269,712 220,377
Geographic Distribution, Foreign [Member] | China [Member]      
Geographic And Sales [Line Items]      
Total net sales [1] 185,554 148,167 107,333
Geographic Distribution, Foreign [Member] | JAPAN      
Geographic And Sales [Line Items]      
Total net sales 38,472 43,093 40,973
Geographic Distribution, Foreign [Member] | Other [Member]      
Geographic And Sales [Line Items]      
Total net sales [2] $ 81,168 $ 78,452 $ 72,071
[1] The China region includes sales into China and Hong Kong.
[2] No other location individually exceeds 10% of the total net sales.