Schedule of Income Tax Provision (Details) - USD ($) $ in Thousands  | 
12 Months Ended | |
|---|---|---|
Oct. 03, 2021  | 
Sep. 27, 2020  | 
|
| Income Tax Disclosure [Abstract] | ||
| Current year federal income tax | $ 403 | |
| Prior year tax adjustment | (62) | (59) | 
| Current income tax expense | (62) | 344 | 
| Federal | (39) | 187 | 
| Provision for (Benefit from) income taxes, net | $ (101) | $ 531 | 
| X | ||||||||||
- Definition Amount of current income tax expense (benefit) pertaining to taxable income (loss) from continuing operations. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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| X | ||||||||||
- Definition Amount of deferred federal income tax expense (benefit) pertaining to income (loss) from continuing operations. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef 
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| X | ||||||||||
- Definition Amount of deferred state and local tax expense (benefit) pertaining to income (loss) from continuing operations. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef 
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| X | ||||||||||
- References No definition available. 
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| X | ||||||||||
- Definition Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
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| X | ||||||||||
- Definition Amount of income tax expense (benefit) from continuing operations attributable to an adjustment of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
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