The amount of anticipated annual costs of the debt instrument.

No definition available.

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Namespace Prefix:	bbw_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The amount of availability that must be maintained under the covenant of the debt instrument.

+ References

No definition available.

+ Details

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

- Definition

The percentage of availability that must be maintained under the covenant of the debt instrument.

+ References

No definition available.

+ Details

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Namespace Prefix:	bbw_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The percentage of increase in interest rate and fees in the event of default of the debt instrument.

+ References

No definition available.

+ Details

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Namespace Prefix:	bbw_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The maximum amount of increase in borrowing capacity under the line of credit facility.

+ References

No definition available.

+ Details

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

- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(16))
-URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

+ References

+ Details

Name:	us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_LineOfCreditMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=us-gaap_LetterOfCreditMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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- Details

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Data Type:	na
Balance Type:
Period Type:

- Details

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- Details

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- Details

Name:	srt_RangeAxis=srt_MaximumMember
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- Details

Name:	us-gaap_CreditFacilityAxis=bbw_SwinglineLoansMember
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Note 13 - Subsequent Events (Details Textual) - USD ($)	Aug. 25, 2020	Aug. 01, 2020	May 28, 2020
U.S. Bank National Association [Member] \| Line of Credit [Member]
Line of Credit Facility, Maximum Borrowing Capacity			$ 10,000,000
Long-term Line of Credit, Total		$ 0
U.S. Bank National Association [Member] \| Letter of Credit [Member]
Long-term Line of Credit, Total		$ 1,000,000.0
Subsequent Event [Member] \| PNC Bank [Member] \| Revolving Credit Facility [Member]
Line of Credit Facility, Maximum Borrowing Capacity	$ 25,000,000
Line of Credit Facility, Maximum Increase in Borrowing Capacity	$ 25,000,000
Debt Instrument, Covenant, Availability Percentage	12.50%
Debt Instrument, Covenant, Availability, Amount	$ 3,125,000
Debt Instrument, Default, Increase in Interest Rate and Fees	2.00%
Long-term Line of Credit, Total	$ 0
Line of Credit Facility, Remaining Borrowing Capacity	$ 10,000,000
Debt Instrument, Term (Year)	5 years
Subsequent Event [Member] \| PNC Bank [Member] \| Revolving Credit Facility [Member] \| Minimum [Member]
Debt Instrument, Anticipated Annual Costs	$ 500,000
Subsequent Event [Member] \| PNC Bank [Member] \| Revolving Credit Facility [Member] \| Maximum [Member]
Debt Instrument, Anticipated Annual Costs	600,000
Subsequent Event [Member] \| PNC Bank [Member] \| Swingline Loans [Member]
Line of Credit Facility, Maximum Borrowing Capacity	5,000,000
Subsequent Event [Member] \| PNC Bank [Member] \| Letter of Credit [Member]
Line of Credit Facility, Maximum Borrowing Capacity	$ 5,000,000