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Note 11 - Earnings (Loss) Per Share (Tables) | 12 Months Ended
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Dec. 28, 2013
Earnings Per Share [Abstract] |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] |
|  | 2013 |  |  | 2012 |  |  | 2011 |
NUMERATOR: |  |  |  |  |  |  |  |  |  |  |  |
Net loss |  | $ | (2,112 | ) |  | $ | (49,295 | ) |  | $ | (17,062 | )
DENOMINATOR: |  |  |  |  |  |  |  |  |  |  |  |
Weighted average number of common shares outstanding - basic |  |  | 16,465,138 |  |  |  | 16,331,672 |  |  |  | 17,371,315 |
Dilutive effect of share-based awards: |  |  | - |  |  |  | - |  |  |  | - |
Weighted average number of common shares outstanding - dilutive |  |  | 16,465,138 |  |  |  | 16,331,672 |  |  |  | 17,371,315 |
Basic loss per common share attributable to Build-A-Bear Workshop, Inc., stockholders |  | $ | (0.13 | ) |  | $ | (3.02 | ) |  | $ | (0.98 | )
Diluted loss per common share attributable to Build-A-Bear Workshop, Inc., stockholders |  | $ | (0.13 | ) |  | $ | (3.02 | ) |  | $ | (0.98 | )

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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