| 
 The
table below summarizes the warranty expenses and incurred warranty costs for the twelve months ended October 3, 2021 and September 27,
2020. 
 Schedule of Warranty Reserves 
  
    |   | 
  | 
      | 
    2021 | 
      | 
      | 
      | 
    2020 | 
  | 
 
  
    |   | 
  | 
    Years ended | 
  | 
 
  
    |   | 
  | 
    2021 | 
  | 
  | 
    2020 | 
  | 
 
  
    | Beginning balance | 
  | 
    $ | 
83 | 
  | 
  | 
    $ | 
46 | 
  | 
 
  
    |   | 
  | 
      | 
  | 
  | 
  | 
      | 
  | 
  | 
 
  
    | Incurred costs for warranties satisfied during the period | 
  | 
      | 
(80 | 
) | 
  | 
      | 
(39 | 
) | 
 
  
    |   | 
  | 
      | 
  | 
  | 
  | 
      | 
  | 
  | 
 
  
    | Warranty Expenses: | 
  | 
      | 
  | 
  | 
  | 
      | 
  | 
  | 
 
  
    | Warranties reserved for new product shipped during the period(1) | 
  | 
      | 
38 | 
  | 
  | 
      | 
106 | 
  | 
 
  
    | Change in estimate for pre-existing warranty liabilities (2) | 
  | 
      | 
37 | 
  | 
  | 
      | 
(30 | 
) | 
 
  
    | Warranty Expense | 
  | 
      | 
75 | 
  | 
  | 
      | 
76 | 
  | 
 
  
    |   | 
  | 
      | 
  | 
  | 
  | 
      | 
  | 
  | 
 
  
    | Ending balance | 
  | 
    $ | 
78 | 
  | 
  | 
    $ | 
83 | 
  | 
 
   
  
  
    |   | 
    (1) | 
    Warranty
    expenses accrued to cost of sales (based on current year shipments and historical warranty return rate). | 
 
  
    |   | 
    (2) | 
    Changes
    in estimated warranty liabilities recognized in cost of sales associated with: the period end customer returned warranty backlog,
    or the actual costs of repaired/replaced warranty units which were shipped to the customer during the year. | 
 
   
 |