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Net Income per Common Share
6 Months Ended
Jul. 31, 2011
Net Income per Common Share [Abstract]  
Net Income per Common Share
Note 3 — Net Income per Common Share
Basic net income per common share has been computed using the weighted average number of common shares outstanding during each period. Diluted net income per share, when applicable, is computed using the weighted average number of common shares and potential dilutive common shares, consisting of stock options, stock purchase warrants and unvested restricted stock awards outstanding during the period. For the six months ended July 31, 2011 and 2010, 199,240 and 347,568 shares of common stock, respectively, were issued in connection with the exercise or vesting of equity awards.
A reconciliation between basic and diluted net income per share is as follows:
                                 
    Three Months Ended     Six Months Ended  
    July 31,     July 31,  
    2011     2010     2011     2010  
    (In thousands, except per share amounts)  
Net income
  $ 1,565     $ 2,999     $ 1,045     $ 1,627  
 
                               
Basic net income per share:
                               
Basic common shares
    19,848       19,126       19,784       19,016  
 
                       
 
                               
Basic net income per share
  $ 0.08     $ 0.16     $ 0.05     $ 0.09  
 
                       
 
                               
Diluted net income per share:
                               
Basic common shares
    19,848       19,126       19,784       19,016  
Stock options, warrants and restricted stock awards
    405       526       437       524  
 
                       
 
                               
Diluted common shares
    20,253       19,652       20,221       19,540  
 
                       
 
                               
Diluted net income per share
  $ 0.08     $ 0.15     $ 0.05     $ 0.08