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Net Income Per Share
9 Months Ended
Jan. 31, 2016
Earnings Per Share [Abstract]  
Net Income Per Share
11.  Net Income Per Share

Basic net income per share is computed using the weighted-average number of shares outstanding during the period.  Diluted net income per share uses the weighted-average number of shares outstanding during the period plus the dilutive effect of stock-based compensation calculated using the treasury stock method.  Weighted average shares used in the computation of basic and diluted net income per share follows:
             
      Three months ended  
(amounts in thousands)
 
January 31, 2016
   
February 1, 2015
 
Weighted average common shares outstanding, basic
    12,331       12,219  
Dilutive effect of stock-based compensation
    155       198  
Weighted average common shares outstanding, diluted
    12,486       12,417  
 
All options to purchase shares of common stock were included in the computation of diluted net income for the three months ended January 31, 2016 and February 1, 2015, as the exercise price of the options was less than the average market price of the common shares.
             
      Nine months ended  
(amounts in thousands)
 
January 31, 2016
   
February 1, 2015
 
Weighted average common shares outstanding, basic
    12,317       12,216  
Dilutive effect of stock-based compensation
    171       194  
Weighted average common shares outstanding, diluted
    12,488       12,410  
 
All options to purchase shares of common stock were included in the computation of diluted net income for the nine months ended January 31, 2016 and February 1, 2015, as the exercise price of the options was less than the average market price of the common shares.