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Net Income Per Share (Tables)
9 Months Ended
Jan. 31, 2016
Earnings Per Share [Abstract]  
Schedule of Weighted Average Shares Used in the Computation of Basic and Diluted Net Income Per Share
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  
 
             
      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