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Net Income Per Common Share (Tables) | 3 Months Ended
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Apr. 30, 2016
Earnings Per Share [Abstract] |
Reconciliation of Shares Used in Calculating Basic and Diluted | A reconciliation of the shares used in calculating basic and diluted net income per share is as follows:
|  | Three Months Ended |
|  | April 30, 2016 |  |  | May 2, 2015 |
Weighted Average Common Shares Outstanding—Basic |  |  | 7,357,588 |  |  |  | 7,280,246 |
Effect of Dilutive Options and Restricted Stock Units |  |  | 166,661 |  |  |  | 173,936 |
Weighted Average Common Shares Outstanding—Diluted |  |  | 7,524,249 |  |  |  | 7,454,182 |

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- Definition Tabular disclosure of the weighted average number of shares used in calculating basic net earnings per share (or unit) and diluted earnings per share (or unit). + 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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