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Note 12 - Contingencies (Details Textual) $ in Millions	Nov. 02, 2019 USD ($)
Litigation Receivable, Gross	$ 4.2
Litigation Receivables, Reserve	3.2
Litigation Receivables, Net	$ 1.0

X

- Definition

The amount of receivables before reserves in a litigation dispute.

+ References

No definition available.

+ Details

Name:	bbw_LitigationReceivableGross
Namespace Prefix:	bbw_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

The amount of receivables after reserve in a litigation dispute.

+ References

No definition available.

+ Details

Name:	bbw_LitigationReceivablesNet
Namespace Prefix:	bbw_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

The amount of reserve receivables in a litigation dispute.

+ References

No definition available.

+ Details

Name:	bbw_LitigationReceivablesReserve
Namespace Prefix:	bbw_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant