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v3.25.1

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details 3) | 12 Months Ended
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Dec. 29, 2024
Equipment [Member] | Bottom [Member] |
Estimated useful life | 3 years
Equipment [Member] | Top [Member] |
Estimated useful life | 7 years
Leasehold Improvements [Member] | Bottom [Member] |
Estimated useful life | 5 years
Leasehold Improvements [Member] | Top [Member] |
Estimated useful life | 10 years
Building [Member] | Bottom [Member] |
Estimated useful life | 15 years
Building [Member] | Top [Member] |
Estimated useful life | 25 years

X
- Definition Useful life of other equipment owned by public utility, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
Name: | us-gaap_PublicUtilitiesPropertyPlantAndEquipmentEquipmentUsefulLife
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_OfficeEquipmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PlanNameAxis=btbd_BottomMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PlanNameAxis=btbd_TopMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_LeaseholdImprovementsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_BuildingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |