Quarterly report pursuant to Section 13 or 15(d)

Accounting Policies - Schedule of Warranty Reserves (Details)

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Accounting Policies - Schedule of Warranty Reserves (Details) - USD ($)
$ in Thousands
 3 Months Ended
Dec. 29, 2019
Dec. 30, 2018
Accounting Policies [Abstract]    
Beginning balance $ 46 $ 101
Incurred costs for warranties satisfied during the period (7)
Warranties reserved for new product shipped during the period [1] 20 29
Change in estimate for pre-existing warranty liabilities [2] 9 (50)
Warranty Expense 29 (21)
Ending balance $ 75 $ 73
[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.