Quarterly report pursuant to Section 13 or 15(d)

Property and Equipment - Schedule of Property and Equipment (Details)

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Property and Equipment - Schedule of Property and Equipment (Details) - USD ($)
$ in Thousands
3 Months Ended
Apr. 03, 2021
Jan. 02, 2021
Property Plant And Equipment [Line Items]    
Property plant and equipment, gross $ 3,287 $ 2,990
Less accumulated depreciation and amortization (2,296) (2,258)
Total property and equipment, net 991 732
Building and Improvements    
Property Plant And Equipment [Line Items]    
Property plant and equipment, gross $ 77 75
Building and Improvements | Minimum    
Property Plant And Equipment [Line Items]    
Estimated useful life 3 years  
Building and Improvements | Maximum    
Property Plant And Equipment [Line Items]    
Estimated useful life 30 years  
Equipment    
Property Plant And Equipment [Line Items]    
Property plant and equipment, gross $ 2,572 2,528
Equipment | Minimum    
Property Plant And Equipment [Line Items]    
Estimated useful life 3 years  
Equipment | Maximum    
Property Plant And Equipment [Line Items]    
Estimated useful life 15 years  
Projects Under Construction    
Property Plant And Equipment [Line Items]    
Property plant and equipment, gross $ 638 $ 387