Note 1 - Description of Business and Basis of Preparation (Details Textual) $ in Millions	12 Months Ended
Jan. 02, 2016 USD ($)
Restatement Adjustment [Member]
Increase Decrease In Equity Components	$ 2.1
Number of Stores	329

Value of increase decrease in equity components due to reclassification.

No definition available.

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