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Note B - Summary of Significant Accounting Policies (Tables)
3 Months Ended
Jul. 31, 2014
Accounting Policies [Abstract]  
Revenue from External Customers by Products and Services [Table Text Block]
   
Three Months Ended
July 31,
 
(In thousands)
 
2014
   
2013
 
             
Sales – used autos
  $ 101,123     $ 97,306  
Wholesales – third party
    4,796       4,463  
Service contract sales
    3,995       3,914  
Payment protection plan revenue
    3,545       3,466  
                 
Total
  $ 113,459     $ 109,149