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9. Earnings Per Share (Tables)
 9 Months Ended
Nov. 01, 2015
Earnings Per Share [Abstract]  
Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity [Table Text Block] The following table sets forth the number of outstanding restricted stock awards and RSUs, net of forfeitures and vested shares, as of the fiscal period-end dates indicated:

   
November 1,
   
February 1,
 
   
2015
   
2015
 
             
Restricted shares
    25       27  
Restricted stock units
    20       25  
      45       52  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] The following table sets forth the computation of basic and diluted earnings per share:

   
Thirteen Weeks Ended
   
Thirty-Nine Weeks Ended
 
   
November 1,
   
November 2,
   
November 1,
   
November 2,
 
   
2015
   
2014
   
2015
   
2014
 
                         
Net income
  $ 4,630     $ 3,204     $ 12,040     $ 8,280  
   Less: Unvested participating restricted stock dividends
    2       3       8       8  
            Net earnings allocated to unvested participating restricted stock
    11       8       30       22  
Earnings available for common shareholders
    4,617       3,193       12,002       8,250  
                                 
Weighted average shares outstanding for basic earnings per share
    10,787       10,742       10,775       10,733  
Dilutive effect of unvested restricted stock and RSU awards
    22       29       27       33  
   Weighted average shares outstanding for diluted earnings per share
    10,809       10,771       10,802       10,766  
                                 
Basic earnings per share
  $ 0.43     $ 0.30     $ 1.11     $ 0.77  
                                 
Diluted earnings per share
  $ 0.43     $ 0.30     $ 1.11     $ 0.77