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Earnings per Share (Tables)
 3 Months Ended
Apr. 30, 2017
Earnings Per Share [Abstract]  
Basic and Diluted Weighted Average Common Shares Used in Earnings Per Share Calculation

The following table presents the calculation of basic and diluted weighted average common shares used in the earnings per share calculation:

 

     Three Months Ended
April 30,		  
     2017      2016  
     (in thousands)  

Basic weighted average common shares outstanding

      12,078        12,059  

Stock options

      126        —    

Unvested restricted stock

      38        63  
  

 

 

     

 

 

  

Total weighted average common share equivalents

      164        63  
  

 

 

     

 

 

  

Diluted weighted average common shares outstanding

      12,242        12,122