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Note 11 - Subsequent Event (Details) (Subsequent Event [Member], Share Repurchase Program 2015 [Member], USD $)
In Millions, except Share data, unless otherwise specified
 1 Months Ended
May 07, 2015
Subsequent Event [Member] | Share Repurchase Program 2015 [Member]
  
Note 11 - Subsequent Event (Details) [Line Items]  
Treasury Stock, Shares, Acquired (in Shares) 114,000us-gaap_TreasuryStockSharesAcquired
/ us-gaap_PlanNameAxis
= bbw_ShareRepurchaseProgram2015Member
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember
Treasury Stock, Value, Acquired, Cost Method $ 2.0us-gaap_TreasuryStockValueAcquiredCostMethod
/ us-gaap_PlanNameAxis
= bbw_ShareRepurchaseProgram2015Member
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember
Stock Repurchase Program, Remaining Authorized Repurchase Amount $ 5.0us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1
/ us-gaap_PlanNameAxis
= bbw_ShareRepurchaseProgram2015Member
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember