Annual report pursuant to Section 13 and 15(d)

Stockholders' Equity and Share-Based Compensation - Narrative (Details)

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Stockholders' Equity and Share-Based Compensation - Narrative (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
12 Months Ended
Aug. 18, 2020
Jan. 01, 2022
Jan. 02, 2021
Dec. 28, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Net proceeds from issuance of common stock     $ 60,461  
Compensation costs   $ 778    
Amounts capitalized to internally-developed software   6,334 4,769 $ 4,907
Website and Software Development        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Amounts capitalized to internally-developed software   2,159 659 55
Public equity offering        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Issuance of common stock, net of underwriters' offering expenses and commissions (in shares) 4,000      
Offering price (in dollars per share) $ 13.00      
Net proceeds from issuance of common stock $ 48,831      
Over-Allotment Option        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Issuance of common stock, net of underwriters' offering expenses and commissions (in shares) 900      
Net proceeds from issuance of common stock $ 11,700      
Period of underwriters option 30 days      
Restricted stock units        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Compensation costs   15,779    
Stock options and Restricted stock units        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Compensation costs   $ 15,685 $ 7,778 $ 3,656