Schedule of Warranty Reserves (Details) - USD ($) $ in Thousands  | 
3 Months Ended | 6 Months Ended | ||||||
|---|---|---|---|---|---|---|---|---|
Apr. 03, 2022  | 
Mar. 28, 2021  | 
Apr. 03, 2022  | 
Mar. 28, 2021  | 
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| Accounting Policies [Abstract] | ||||||||
| Beginning balance | $ 122 | $ 49 | $ 78 | $ 83 | ||||
| Incurred costs for warranties satisfied during the period | (25) | (2) | (68) | |||||
| Warranties reserved for new product shipped during the period(1) | [1] | 33 | 5 | 79 | 9 | |||
| Change in estimate for pre-existing warranty liabilities (2) | [2] | 34 | 39 | |||||
| Warranty Expense | 33 | 39 | 79 | 48 | ||||
| Ending balance | $ 155 | $ 63 | $ 155 | $ 63 | ||||
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