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12. Earnings Per Share (Tables) | 9 Months Ended
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Oct. 30, 2016
Earnings Per Share [Abstract] |
Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity [Table Text Block] | The following table sets forth the number of outstanding restricted stock awards and RSUs, net of forfeitures and vested shares, as of the fiscal period-end dates indicated:
|  | October 30, |  |  | January 31, |
|  | 2016 |  |  | 2016 |
Restricted shares |  |  | 26 |  |  |  | 25 |
Restricted stock units |  |  | 20 |  |  |  | 13 |
|  |  | 46 |  |  |  | 38 |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] | All restricted shares and RSUs awarded that have not yet vested are considered when computing diluted earnings per share. The following table sets forth the computation of basic and diluted earnings per share:
|  | Thirteen Weeks Ended |  |  | Thirty-Nine Weeks Ended |
|  | October 30, |  |  | November 1, |  |  | October 30, |  |  | November 1, |
|  | 2016 |  |  | 2015 |  |  | 2016 |  |  | 2015 |
Net income |  | $ | 6,459 |  |  | $ | 4,630 |  |  | $ | 14,308 |  |  | $ | 12,040 |
Less: Unvested participating restricted stock dividends |  |  | 3 |  |  |  | 2 |  |  |  | 8 |  |  |  | 8 |
Net earnings allocated to unvested participating restricted stock |  |  | 14 |  |  |  | 11 |  |  |  | 32 |  |  |  | 30 |
Earnings available for common shareholders |  |  | 6,442 |  |  |  | 4,617 |  |  |  | 14,268 |  |  |  | 12,002 |
Weighted average shares outstanding for basic earnings per share |  |  | 11,537 |  |  |  | 10,787 |  |  |  | 11,528 |  |  |  | 10,775 |
Dilutive effect of unvested restricted stock and RSU awards |  |  | 22 |  |  |  | 22 |  |  |  | 28 |  |  |  | 27 |
Weighted average shares outstanding for diluted earnings per share |  |  | 11,559 |  |  |  | 10,809 |  |  |  | 11,556 |  |  |  | 10,802 |
Basic earnings per share |  | $ | 0.56 |  |  | $ | 0.43 |  |  | $ | 1.24 |  |  | $ | 1.11 |
Diluted earnings per share |  | $ | 0.56 |  |  | $ | 0.43 |  |  | $ | 1.23 |  |  | $ | 1.11 |

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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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- Definition Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year. + References No definition available. + Details
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