Annual report pursuant to Section 13 and 15(d)

Stock-based Compensation - Additional Information (Details)

v3.22.1
Stock-based Compensation - Additional Information (Details) - USD ($)
12 Months Ended
Jan. 02, 2022
Dec. 31, 2020
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]    
Stock-based compensation expense, tax benefit $ 0 $ 0
Common stock, shares outstanding 152,272,287 100,016,559
Common stock options available for future grants 27,760,224  
Stock repurchase rights lapses description The repurchase right lapses 90 days after the termination of the employee’s employment  
Shares remained subject to right of repurchase 5,086,572 5,383,935
Early exercised liability $ 300,000 $ 300,000
Share-based Payment Arrangement, Amount Capitalized 700,000  
Unrecognized stock-based compensation expenses $ 48,200,000  
Weighted average period of recognition for unrecognized stock-based compensation 3 years 7 months 6 days  
Weighted Average Grant Date Fair Value, Granted $ 4.43 $ 0.59
Vested fair value of stock options $ 6,600,000 $ 300,000
Stock purchase plan approval date Jul. 12, 2021  
Stock purchase plan offering date Nov. 30, 2021  
Stock purchase plan first purchase date May 30, 2022  
Options and RSUs available for future grants 6,817,420 5,779,591
Equity Plan [Member]    
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]    
Shares reserves for future issuance 16,850,000  
Equity Incentive Plan, Description The number of shares reserved for issuance under the 2021 Plan will automatically increase on January 1st each year, starting on January 1, 2022 and continuing through January 1, 2031, by the lesser of (a) 4% of the total number of shares of the Company’s common stock outstanding on December 31st of the immediately preceding fiscal year or (b) a lesser number determined by the Company’s board of directors prior to the applicable January 1st.  
Lesser rate 4.00%  
Employee Stock Purchase Plan [Member]    
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]    
Equity Incentive Plan, Description The number of shares reserved for issuance under the 2021 ESPP will automatically increase on January 1st each year, starting on January 1, 2022 and continuing through January 1, 2031, by the lesser of (a) 1% of the total number of shares of the Company's common stock outstanding on December 31st of the preceding calendar year, (b) 2,000,000 shares of the Registrant’s common stock or (c) a lesser number determined by the Company’s board of directors.  
Registrants common stock, shares 2,000,000  
Lesser rate 1.00%  
Discount rate 15.00%  
Base compensation rate 15.00%  
Fair market rate 85.00%  
Offering periods, Description The 2021 ESPP provides 18-month offering periods with three 6-month purchase periods with the purchase periods ending on May 7, 2022, November 4, 2022 and May 4, 2023. A new 18-month offering period will commence every six months thereafter.  
Common stock options available for future grants 5,625,000  
Share Reserve Available For Issuance 5,625,000  
Restricted Stock Units [Member]    
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]    
Weighted Average Grant Date Fair Value, Granted $ 23.12  
Vested fair value of stock options $ 1,800,000  
Options and RSUs available for future grants 608,168