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Risks and Uncertainties (Details) - USD ($)
$ in Thousands
12 Months Ended
Jan. 01, 2022
Jan. 02, 2021
Dec. 28, 2019
Risks and Uncertainties      
Equity method investments $ 24,078 $ 10,057  
Accounts receivable | Customers | Arrow Electronics      
Risks and Uncertainties      
Concentrations of credit risk (as a percent) 28.00% 28.00%  
Accounts receivable | Customers | Edom Technology      
Risks and Uncertainties      
Concentrations of credit risk (as a percent) 18.00% 21.00%  
Revenue | Distributors | Arrow Electronics      
Risks and Uncertainties      
Concentrations of credit risk (as a percent) 28.00% 28.00% 26.00%
Revenue | Distributors | Edom Technology      
Risks and Uncertainties      
Concentrations of credit risk (as a percent) 18.00% 19.00% 18.00%
Revenue | Distributors | Sekorm      
Risks and Uncertainties      
Concentrations of credit risk (as a percent) 12.00% 14.00% 10.00%