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Summary of Significant Accounting Policies (Details) - USD ($)
$ in Thousands
Jul. 02, 2023
Apr. 02, 2023
Jan. 02, 2023
Jan. 01, 2023
Jul. 03, 2022
Apr. 03, 2022
Jan. 03, 2022
Jan. 02, 2022
Organization, Consolidation And Presentation Of Financial Statements [Line Items]                
Operating lease right-of-use assets $ 119     $ 141     $ 184  
Operating lease liability             $ 184  
Stockholders' equity, including portion attributable to noncontrolling interest 62,882 $ 57,472   53,977 $ 37,629 $ 47,509   $ 59,927
Retained Earnings (Accumulated Deficit)                
Organization, Consolidation And Presentation Of Financial Statements [Line Items]                
Stockholders' equity, including portion attributable to noncontrolling interest $ (107,310) $ (98,720)   (94,072) $ (84,090) $ (71,085)   $ (54,479)
Cumulative Effect, Period of Adoption, Adjustment                
Organization, Consolidation And Presentation Of Financial Statements [Line Items]                
Stockholders' equity, including portion attributable to noncontrolling interest       (375)        
Cumulative Effect, Period of Adoption, Adjustment | Retained Earnings (Accumulated Deficit)                
Organization, Consolidation And Presentation Of Financial Statements [Line Items]                
Stockholders' equity, including portion attributable to noncontrolling interest     $ 375 $ (375)