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Note 3 - Revenue Recognition (Details Textual)	3 Months Ended
Note 3 - Revenue Recognition (Details Textual)	Feb. 29, 2020
Initial Franchise Term (Year)	10 years

X

- Definition

The initial term of a franchise agreement.

+ References

No definition available.

+ Details

Name:	babb_InitialFranchiseTerm
Namespace Prefix:	babb_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration