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Stock-Based Compensation - Schedule of weighted-average assumptions to determine fair value of stock options granted (Details) - Stock Options [Member] - $ / shares
12 Months Ended
Jan. 01, 2022
Jan. 02, 2021
Dec. 28, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Grant-date stock price $ 14.77 $ 4.64 $ 3.57
Dividend yield 0.00% 0.00% 0.00%
Expected volatility 61.70% 60.00% 48.60%
Risk-free interest rate 1.00% 0.40% 2.30%
Expected life (in years) 6 years 6 years 5 years 9 months 18 days