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Earnings per Share (Details) - shares
3 Months Ended
Apr. 29, 2017
Apr. 30, 2016
Reconciliation of average number of common shares outstanding used to calculate basic and diluted earnings per share    
Average number of common shares outstanding 14,719,130 14,594,180
Incremental shares from assumed vesting of nonvested restricted stock 60,800 9,197
Average number of common shares and common stock equivalents outstanding 14,779,930 14,603,377
Stock Options    
Antidilutive securities    
Shares excluded from the calculation of diluted earnings per share 0 10,000
Restricted Stock    
Antidilutive securities    
Shares excluded from the calculation of diluted earnings per share 145,000 291,000