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Note 11 - Fair Value Measurement: (Tables)
12 Months Ended
Jun. 30, 2012
Fair Value, Assets Measured on Recurring Basis [Table Text Block]
(in thousands)
 
Total
   
Quoted Price in
Active Markets for
Identical Assets
   
Significant
Other Observable Inputs
   
Significant
Unobservable
Inputs
 
Description of Assets / Liabilities
 
Fair Value
   
(Level 1)
   
(Level 2)
   
(Level 3)
 
                         
As of June 30, 2012
                       
    Corporate bonds
  $ 61,174     $ -     $ 61,174     $ -  
    Municipal bonds
    443       -       443       -  
    Mutual fund investment
    1,423       1,423       -       -  
    Equity investment
    557       557       -       -  
    $ 63,597     $ 1,980     $ 61,617     $ -  
                                 
As of June 30, 2011
                               
    Corporate bonds
  $ 60,082     $ -     $ 60,082     $ -  
    Municipal bonds
    887       -       887       -  
    Mutual fund investment
    1,208       1,208       -       -  
    Equity investment
    527       527       -       -  
    $ 62,704     $ 1,735     $ 60,969     $ -