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Note G - Fair Value Measurements (Tables)
3 Months Ended
Jul. 31, 2013
Fair Value Disclosures [Abstract]  
Fair Value, by Balance Sheet Grouping [Table Text Block]
   
July 31, 2013
   
April 30, 2013
 
(In thousands)
 
Carrying
Value
 
Fair
Value
   
Carrying
Value
 
Fair
Value
 
                         
Cash
  $ 288     $ 288     $ 272     $ 272  
Finance receivables, net
    301,112       237,450       288,049       227,121  
Accounts payable
    9,226       9,226       8,832       8,832  
Revolving credit facilities
    99,497       99,497       99,563       99,563