Quarterly report pursuant to Section 13 or 15(d)

Accounting Policies - Schedule of Warranty Reserves (Details)

v3.21.1
Accounting Policies - Schedule of Warranty Reserves (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Mar. 28, 2021
Mar. 29, 2020
Mar. 28, 2021
Mar. 29, 2020
Accounting Policies [Abstract]        
Beginning balance $ 49 $ 75 $ 83 $ 46
Incurred costs for warranties satisfied during the period (25) (68)
Warranties reserved for new product shipped during the period [1] 5 36 9 56
Change in estimate for pre-existing warranty liabilities [2] 34 (6) 39 3
Warranty Expense 39 30 48 59
Ending balance $ 63 $ 105 $ 63 $ 105
[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.