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Summary of Significant Accounting Policies (Details 3) (USD $)
In Millions, except Share data, unless otherwise specified
3 Months Ended 12 Months Ended
Feb. 02, 2013
Oct. 27, 2012
Jul. 28, 2012
Apr. 28, 2012
Jan. 28, 2012
Oct. 29, 2011
Jul. 30, 2011
Apr. 30, 2011
Feb. 02, 2013
item
Jan. 28, 2012
Jan. 29, 2011
Reconciliation of average number of common shares outstanding used to calculate basic and diluted earnings per share                      
Average number of common shares outstanding 14,698,736 14,676,817 14,673,403 14,635,509 14,605,575 14,601,544 14,595,985 14,553,884 14,671,638 14,589,247 14,503,418
Incremental shares from assumed exercises of stock options                     17,208
Incremental shares from assumed vesting of nonvested restricted stock                     2,036
Average number of common shares and common stock equivalents outstanding 14,698,736 14,676,817 14,673,403 14,636,918 14,605,575 14,601,544 14,595,985 14,567,423 14,671,638 14,589,247 14,522,662
Advertising                      
Advertising expense                 $ 3.1 $ 3.2 $ 2.7
Operating Leases                      
Liability for estimated expenses to be incurred upon the termination of entity's operating leases $ 0.7       $ 0.7       $ 0.7 $ 0.7  
Business Reporting Segments                      
Number of reporting units                 1    
Options
                     
Antidilutive securities excluded from calculation of diluted earnings per share                      
Securities excluded from calculation of diluted earnings per share (in shares)                 47,000 53,000 53,000
Nonvested restricted stock
                     
Antidilutive securities excluded from calculation of diluted earnings per share                      
Securities excluded from calculation of diluted earnings per share (in shares)                 402,000 361,000 320,000