Schedule of Warranty Reserves (Details) - USD ($) $ in Thousands  | 
12 Months Ended | |||||
|---|---|---|---|---|---|---|
Oct. 03, 2021  | 
Sep. 27, 2020  | 
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| Accounting Policies [Abstract] | ||||||
| Beginning balance | $ 83 | $ 46 | ||||
| Incurred costs for warranties satisfied during the period | (80) | (39) | ||||
| 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 | ||||
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| X | ||||||||||
- Definition The amount of warranty costs incurred during the period. No definition available. 
  | 
| X | ||||||||||
- Definition Represents information related to class of warrant or righ wWarranty reserved for new product shipping. No definition available. 
  | 
| X | ||||||||||
- Definition A reserve for the estimated amount of expense related to a warranty on a specific product or service accrued at the time of sale based on historic statistical data. No definition available. 
  | 
| X | ||||||||||
- References No definition available. 
  | 
| X | ||||||||||
- Definition Amount of increase (decrease) in the standard and extended product warranty accrual from changes in estimates attributable to preexisting product warranties. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
  | 
| X | ||||||||||
- Definition Amount of increase (decrease) in the standard product warranty accrual. Excludes extended product warranties. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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