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Note 8 - Income Taxes (Details) (USD $)	12 Months Ended
	Jan. 03, 2015	Dec. 28, 2013
Note 8 - Income Taxes (Details) [Line Items]
Deferred Tax Assets, Valuation Allowance	$ 15,572,000us-gaap_DeferredTaxAssetsValuationAllowance	$ 20,987,000us-gaap_DeferredTaxAssetsValuationAllowance
Operating Loss Carryforwards, Valuation Allowance	(4,400,000)us-gaap_OperatingLossCarryforwardsValuationAllowance
Deferred Tax Assets, Tax Credit Carryforwards	4,250,000us-gaap_DeferredTaxAssetsTaxCreditCarryforwards	5,453,000us-gaap_DeferredTaxAssetsTaxCreditCarryforwards
Undistributed Earnings of Foreign Subsidiaries	11,000,000us-gaap_UndistributedEarningsOfForeignSubsidiaries
Unrecognized Tax Benefits	1,000,000us-gaap_UnrecognizedTaxBenefits	700,000us-gaap_UnrecognizedTaxBenefits
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense	300,000us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense	100,000us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	700,000us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Amount of Unrecorded Benefit	500,000us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleAmountOfUnrecordedBenefit
State And Foreign Net Operating Loss Carryforwards [Member]
Note 8 - Income Taxes (Details) [Line Items]
Operating Loss Carryforwards, Valuation Allowance	4,300,000us-gaap_OperatingLossCarryforwardsValuationAllowance / us-gaap_ValuationAllowanceByDeferredTaxAssetAxis = bbw_StateAndForeignNetOperatingLossCarryforwardsMember
Foreign Tax Authority [Member]
Note 8 - Income Taxes (Details) [Line Items]
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount	$ 1,100,000us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount / us-gaap_IncomeTaxAuthorityAxis = us-gaap_ForeignCountryMember
IRELAND | Start Year [Member]
Note 8 - Income Taxes (Details) [Line Items]
Open Tax Year	2008
IRELAND | End Year [Member]
Note 8 - Income Taxes (Details) [Line Items]
Open Tax Year	2014
UNITED KINGDOM | End Year [Member]
Note 8 - Income Taxes (Details) [Line Items]
Open Tax Year	2014
CANADA | Start Year [Member]
Note 8 - Income Taxes (Details) [Line Items]
Open Tax Year	2011
CANADA | End Year [Member]
Note 8 - Income Taxes (Details) [Line Items]
Open Tax Year	2014
Start Year [Member] | Internal Revenue Service (IRS) [Member]
Note 8 - Income Taxes (Details) [Line Items]
Open Tax Year	2011
End Year [Member] | Internal Revenue Service (IRS) [Member]
Note 8 - Income Taxes (Details) [Line Items]
Open Tax Year	2014

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The tax effect as of the balance sheet date of the amount of future tax deductions arising from all unused tax credit carryforwards which have been reduced by a valuation allowance.

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Tax year that remains open to examination under enacted tax laws, in CCYY format.

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