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Note G - Fair Value Measurements (Tables)
9 Months Ended
Jan. 31, 2013
Fair Value, by Balance Sheet Grouping [Table Text Block]
   
January 31, 2013
   
April 30, 2012
 
(In thousands)
 
Carrying
Value
   
Fair
Value
   
Carrying
Value
   
Fair
Value
 
                         
Cash
  $ 865     $ 865     $ 276     $ 276  
Finance receivables, net
    288,352       227,449       251,103       198,084  
Accounts payable
    10,082       10,082       7,352       7,352  
Revolving credit facilities
    109,274       109,274       77,900       77,900