PROPERTY AND EQUIPMENT (Details Narrative) - USD ($)	6 Months Ended	12 Months Ended
Jul. 04, 2021	Jul. 04, 2020	Jan. 03, 2021	Dec. 29, 2019
PROPERTY AND EQUIPMENT
Depreciation expense	$ 112,261	$ 90,070	$ 187,687	$ 211,087

The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

No definition available.

Name:	btbd_DepreciationAmount
Namespace Prefix:	btbd_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration