Summary of Warrants Outstanding and Fair Values (Details) (Parenthetical) - USD ($) $ in Thousands  | 
12 Months Ended | |
|---|---|---|
Oct. 03, 2021  | 
Sep. 27, 2020  | 
|
| Warrant Liabilities | ||
| Proceeds from Warrant Exercise | $ 283 | |
| Fair value warrant liability | $ 292 | |
| X | ||||||||||
- References No definition available. 
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| X | ||||||||||
- Definition Amount of expense (income) related to adjustment to fair value of warrant liability. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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| X | ||||||||||
- Definition The cash inflow associated with the amount received from holders exercising their stock warrants. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef 
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