XML 48 R32.htm IDEA: XBRL DOCUMENT v2.4.0.6
Note L - Commitments and Contingencies (Tables)
12 Months Ended
Apr. 30, 2013
Commitments and Contingencies Disclosure [Abstract]  
Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block]
 
Years Ending
April 30,
 
Amount
(In thousands)
   
           
 
2014
  $ 4,623    
 
2015
    4,639    
 
2016
    4,549    
 
2017
    4,387    
 
2018
    4,175    
 
Thereafter
    16,315    
             
      $ 38,688