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Net Income (Loss) per Share
6 Months Ended
Jul. 31, 2011
Earnings Per Share [Abstract]  
Net Income (Loss) per Share
Note 7. Net Income (Loss) per Share
                                 
    Three Months Ended     Six Months Ended  
    7/31/2011     7/31/2010     7/31/2011     7/31/2010  
     
    (In thousands, except per share data)  
Net income (loss)
  $ 2,732     $ 4,037     $ (2,668 )   $ (1,044 )
 
                               
Average shares outstanding
    14,274       14,168       14,240       14,162  
Net effect of dilutive stock options
                               
based on the treasury stock method using average market price
    18       6              
     
 
                               
Totals
    14,292       14,174       14,240       14,162  
 
                               
Net income (loss) per share — basic
  $ 0.19     $ 0.28     $ (0.19 )   $ (0.07 )
Net income (loss) per share — diluted
  $ 0.19     $ 0.28     $ (0.19 )   $ (0.07 )
Certain exercisable and non-exercisable stock options were not included in the computation of diluted net loss per share at July 31, 2011 and 2010, because their inclusion would have been anti-dilutive. The number of stock options outstanding, which met this anti-dilutive criterion for the six months ended July 31, 2011 and 2010, was 22,000 and 10,000, respectively.