Earnings Per Share ("EPS") and Cash Dividends - Summary of Basic EPS and Diluted EPS Calculations (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
Apr. 30, 2016	Apr. 30, 2016	May. 02, 2015
Earnings Per Share Diluted [Line Items]
Net income	$ 4,041	$ 4,041	$ 2,535
Basic shares	13,684		13,581
Diluted shares	13,686		13,624
Basic EPS	$ 0.30		$ 0.19
Diluted EPS	$ 0.30		$ 0.19
Employee Stock Option
Earnings Per Share Diluted [Line Items]
Incremental shares from the assumed exercise of outstanding stock options	1		24
Restricted Stock
Earnings Per Share Diluted [Line Items]
Incremental shares from the assumed lapse of restrictions on restricted stock awards	1		19

The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

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The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

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Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of equity unit purchase agreements using the treasury stock method.

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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.

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