XML 121 R109.htm IDEA: XBRL DOCUMENT v3.22.0.1
Disaggregation of Revenues, Geographic Sales and Product Sales - Net Sales by Geographic Areas (Details) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Dec. 31, 2021
Oct. 01, 2021
Jul. 02, 2021
Apr. 02, 2021
Jan. 01, 2021
Oct. 02, 2020
Jul. 03, 2020
Apr. 03, 2020
Dec. 31, 2021
Jan. 01, 2021
Jan. 03, 2020
Geographic And Sales [Line Items]                      
Total net sales $ 59,001 $ 58,352 $ 62,367 $ 50,752 $ 45,998 $ 47,081 $ 35,194 $ 35,187 $ 230,472 $ 163,460 $ 150,185
Geographic Distribution, Domestic [Member]                      
Geographic And Sales [Line Items]                      
Total net sales                 10,095 6,158 8,106
Geographic Distribution, Foreign [Member]                      
Geographic And Sales [Line Items]                      
Total net sales                 220,377 157,302 142,079
Geographic Distribution, Foreign [Member] | China [Member]                      
Geographic And Sales [Line Items]                      
Total net sales [1]                 107,333 71,692 64,820
Geographic Distribution, Foreign [Member] | JAPAN                      
Geographic And Sales [Line Items]                      
Total net sales                 40,973 34,986 26,881
Geographic Distribution, Foreign [Member] | Other [Member]                      
Geographic And Sales [Line Items]                      
Total net sales [2]                 $ 72,071 $ 50,624 $ 50,378
[1] The China region includes sales into China and Hong Kong.  
[2] No other location individually exceeds 10% of the total net sales.