Quarterly report [Sections 13 or 15(d)]

Schedule of Warranty Reserves (Details)

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Schedule of Warranty Reserves (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Jun. 28, 2026
Jun. 29, 2025
Jun. 28, 2026
Jun. 29, 2025
Accounting Policies [Abstract]        
Beginning balance $ 25 $ 105 $ 162 $ 52
Incurred costs for warranties satisfied during the period
Warranties reserved for new product shipped during the period [1] 7 32
Change in estimate for pre-existing warranty liabilities [2] 61 (137) 89
Warranty Expense 68 (137) 121
Ending balance $ 25 $ 173 $ 25 $ 173
[1] Warranty expenses accrued to cost of sales (based on current period 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 current period.