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Summary of Significant Accounting Policies - EPS, Advertising and Leases (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Feb. 03, 2018	Oct. 28, 2017	Jul. 29, 2017	Apr. 29, 2017	Jan. 28, 2017	Oct. 29, 2016	Jul. 30, 2016	Apr. 30, 2016	Feb. 03, 2018	Jan. 28, 2017	Jan. 30, 2016
Advertising
Advertising expense									$ 2.0	$ 2.5	$ 2.6
Operating Leases
Liability for estimated expenses to be incurred upon the termination of entity's operating leases					$ 0.8					$ 0.8	$ 0.8
Reconciliation of average number of common shares outstanding used to calculate basic and diluted earnings per share
Average number of common shares outstanding	13,567,870	13,563,295	14,381,738	14,719,130	14,680,129	14,676,990	14,675,712	14,594,180	14,058,008	14,656,753	14,996,496
Incremental shares from assumed exercises of stock options											193
Incremental shares from assumed vesting of nonvested restricted stock									57,887	5,519	58,849
Average number of common shares and common stock equivalents outstanding	13,652,330	13,614,404	14,381,738	14,779,930	14,693,008	14,676,990	14,675,712	14,603,377	14,115,895	14,662,272	15,055,538
Stock Options
Securities excluded from calculation of diluted earnings per share (in shares)									0	4,000	19,000
Restricted Stock
Securities excluded from calculation of diluted earnings per share (in shares)									125,000	237,000	332,000

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Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of exercises of stock options.

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Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 720
-SubTopic 35
-Section 50
-Paragraph 1
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-Publisher FASB
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-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
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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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