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 6 Months Ended
Mar. 29, 2026
Mar. 30, 2025
Mar. 29, 2026
Mar. 30, 2025
Accounting Policies [Abstract]        
Beginning balance $ 168 $ 22 $ 162 $ 52
Incurred costs for warranties satisfied during the period
Warranties reserved for new product shipped during the period [1] 13 6 25
Change in estimate for pre-existing warranty liabilities [2] (143) 71 (143) 29
Warranty Expense (143) 84 (137) 54
Ending balance $ 25 $ 106 $ 25 $ 106
[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.