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Net Income Per Share (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
 3 Months Ended 6 Months Ended
Jul. 29, 2017
Jul. 30, 2016
Jul. 29, 2017
Jul. 30, 2016
Basic Earnings per Share:        
Net income $ 3,896 $ 4,104 $ 12,127 $ 14,765
Amount allocated to participating securities (60) (87) (171) (303)
Net income available for basic common shares and basic earnings per share $ 3,836 $ 4,017 $ 11,956 $ 14,462
Net income available for basic common shares and basic earnings per share, Shares 16,091 18,277 16,453 18,526
Net income available for basic common shares and basic earnings per share, Per Share Amount $ 0.24 $ 0.22 $ 0.73 $ 0.78
Diluted Earnings per Share:        
Net income $ 3,896 $ 4,104 $ 12,127 $ 14,765
Amount allocated to participating securities (60) (87) (171) (303)
Adjustment for dilutive potential common shares $ 0 $ 0 $ 0 $ 0
Adjustment for dilutive potential common shares, Shares 3 5 4 5
Net income available for diluted common shares and diluted earnings per share $ 3,836 $ 4,017 $ 11,956 $ 14,462
Net income available for diluted common shares and diluted earnings per share, Shares 16,094 18,282 16,457 18,531
Net income available for diluted common shares and diluted earnings per share, Per Share Amount $ 0.24 $ 0.22 $ 0.73 $ 0.78