Note 7 - Lease Receivables Commitments (Details Textual) - USD ($)	Jun. 01, 2022	Nov. 30, 2023
Lessor, Sales-type Lease, Term of Contract	7 years
Lessor, Sales Type Lease, Weekly Payments	$ 121
Lessor, Sales-type Lease, Optional Buy-out Payment	$ 4,800
Sales-type Lease, Residual Value of Leased Asset		$ 4,800
Lessor, Sales Type Lease, Applicable Discount Rate		1.25%

The applicable discount rate for sales type lease of lessor.

No definition available.

Name:	babb_LessorSalesTypeLeaseApplicableDiscountRate
Namespace Prefix:	babb_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The amount of weekly payments to be received on sale type lease to lessor.

+ References

No definition available.

+ Details

Name:	babb_LessorSalesTypeLeaseWeeklyPayments
Namespace Prefix:	babb_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The optional buy-out payment under sales-type lease to lessor.

+ References

No definition available.

+ Details

Name:	babb_LessorSalestypeLeaseOptionalBuyoutPayment
Namespace Prefix:	babb_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Term of lessor's sales-type lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 842
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (a)(3)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479773/842-30-50-3

+ Details

Name:	us-gaap_LessorSalesTypeLeaseTermOfContract1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount of residual asset covered by residual value guarantee under sales-type lease. Excludes guarantee considered to be lease payments for lessor.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (b)(3)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479773/842-30-50-3

+ Details

Name:	us-gaap_SalesTypeLeaseResidualValueOfLeasedAsset
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant