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Net Income Per Common Share (Tables) | 9 Months Ended
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Oct. 28, 2017
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 |  |  | Nine Months Ended |
|  | October 28, 2017 |  |  | October 29, 2016 |  |  | October 28, 2017 |  |  | October 29, 2016 |
Weighted Average Common Shares Outstanding— Basic |  |  | 6,725,414 |  |  |  | 7,444,478 |  |  |  | 6,968,285 |  |  |  | 7,406,977 |
Effect of Dilutive Options, Restricted Stock Awards and Restricted Stock Units |  |  | 95,507 |  |  |  | 149,750 |  |  |  | 109,601 |  |  |  | 164,705 |
Weighted Average Common Shares Outstanding—Diluted |  |  | 6,820,921 |  |  |  | 7,594,228 |  |  |  | 7,077,886 |  |  |  | 7,571,682 |

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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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