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NOTE H - FAIR VALUE OF FINANCIAL INSTRUMENTS (Tables)
6 Months Ended
Oct. 31, 2013
Investments, Debt and Equity Securities [Abstract]  
Available-for-sale Securities [Table Text Block] The cost, gross unrealized gains, gross unrealized losses and fair market value of available-for-sale securities at October 31, 2013 and April 30, 2013 are as follows (in thousands):

   
October 31, 2013
 
         
Gross
   
Gross
   
Fair
 
         
Unrealized
   
Unrealized
   
Market
 
   
Cost
   
Gains
   
Losses
   
Value
 
Fixed income securities
  $ 8,935     $ 161     $ (36 )   $ 9,060  
Equity securities
    6,179       949       (309 )     6,819  
    $ 15,114     $ 1,110     $ (345 )   $ 15,879  
   
April 30, 2013
 
           
Gross
   
Gross
   
Fair
 
           
Unrealized
   
Unrealized
   
Market
 
   
Cost
   
Gains
   
Losses
   
Value
 
Fixed income securities
  $ 10,285     $ 297     $ 0     $ 10,582  
Equity securities
    6,490       1,266       (68 )     7,688  
    $ 16,775     $ 1,563     $ (68 )   $ 18,270  
Unrealized Gain (Loss) on Investments [Table Text Block] The following table presents the fair value and unrealized losses, aggregated by investment type and length of time that individual securities have been in a continuous unrealized loss position (in thousands):

   
Less than 12 months
   
12 Months or more
   
Total
 
   
Fair
   
Unrealized
   
Fair
   
Unrealized
   
Fair
   
Unrealized
 
   
Value
   
Losses
   
Value
   
Losses
   
Value
   
Losses
 
October 31, 2013
                                   
Fixed Income Securities
  $ 446     $ (36 )   $ -     $ -     $ 446     $ (36 )
Equity Securities
    1,464       (86 )     357       (223 )     1,821       (309 )
    $ 1,910     $ (122 )   $ 357     $ (223 )   $ 2,267     $ (345 )
April 30, 2013
                                               
Fixed Income Securities
  $ -     $ -     $ -     $ -     $ -     $ -  
Equity Securities
    -       -       512       (68 )     512       (68 )
    $ -     $ -     $ 512     $ (68 )   $ 512     $ (68 )
Fair Value, by Balance Sheet Grouping [Table Text Block] Maturities of fixed income securities classified as available-for-sale at October 31, 2013 are as follows, at cost (in thousands):

Current
  $ 4,009  
Due after one year through five years
    4,124  
Due after five years through ten years
    802  
    $ 8,935