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Note G - Fair Value Measurements (Tables)
3 Months Ended
Jul. 31, 2014
Fair Value Disclosures [Abstract]  
Fair Value, by Balance Sheet Grouping [Table Text Block]
   
July 31, 2014
   
April 30, 2014
 
(In thousands)
 
Carrying
Value
   
Fair
Value
   
Carrying
Value
   
Fair
Value
 
                         
Cash
  $ 309     $ 309     $ 289     $ 289  
Finance receivables, net
    306,791       243,735       293,299       233,289  
Accounts payable
    12,424       12,424       8,542       8,542  
Revolving credit facilities
    94,220       94,220       97,032       97,032