Quarterly report pursuant to Section 13 or 15(d)

Stock-based Compensation - Summary of total stock-based compensation expense, by operating expense category (Details)

v3.21.2
Stock-based Compensation - Summary of total stock-based compensation expense, by operating expense category (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Oct. 03, 2021
Sep. 30, 2020
Oct. 03, 2021
Sep. 30, 2020
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]        
Total stock-based compensation expense $ 3,042 $ 81 $ 6,717 $ 197
Cost of Revenue [Member]        
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]        
Total stock-based compensation expense 0 21 274 51
Research and Development [Member]        
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]        
Total stock-based compensation expense 1,290 52 4,197 123
Selling, General and Administrative [Member]        
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]        
Total stock-based compensation expense $ 1,752 $ 8 $ 2,246 $ 23