Quarterly report pursuant to Section 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. 27, 2021
Jun. 28, 2020
Jun. 27, 2021
Jun. 28, 2020
Accounting Policies [Abstract]        
Beginning balance $ 63 $ 105 $ 83 $ 46
Incurred costs for warranties satisfied during the period (4) (16) (71) (16)
Warranties reserved for new product shipped during the period [1] 9 22 18 78
Standard and Extended Product Warranty Accrual, Increase (Decrease) for Preexisting Warranties [2] 38 3
Warranty Expense 9 22 56 81
Ending balance $ 68 $ 111 $ 68 $ 111
[1] Warranty expenses accrued to cost of sales (based on current period shipments and historical warranty return rate.
[2] Changes in estimated warranty liabilities for associated with the period end customer returned warranty backlog or repaired/replaced warranty units which were shipped to the customer during the period.