Quarterly report pursuant to Section 13 or 15(d)

Note 12 - Fair Value Measurements (Tables)

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Note 12 - Fair Value Measurements (Tables)
9 Months Ended
Mar. 31, 2013
Fair Value Measurements, Recurring and Nonrecurring [Table Text Block]
March 31, 2013
 
   
Level 1
   
Level 2
   
Level 3
   
Balance
 
Cash equivalents
  $ 99,075     $ -     $ -     $ 99,075  
Available-for-sale securities
    -       18,176       -       18,176  
Total
  $ 99,075     $ 18,176     $ -     $ 117,251  
June 30, 2012
 
   
Level 1
   
Level 2
   
Level 3
   
Balance
 
Cash equivalents
  $ 95,137     $ -     $ -     $ 95,137  
Available-for-sale securities
    -       9,005       -       9,005  
Total
  $ 95,137     $ 9,005     $ -     $ 104,142  
Investments Classified by Contractual Maturity Date [Table Text Block]
March 31, 2013
 
   
Cost
   
Estimated Fair Value
 
Due in one year or less
  $ 15,053     $ 14,987  
Due after one year through five years
  $ 3,183     $ 3,189  
June 30, 2012
 
   
Cost
   
Estimated Fair Value
 
Due in one year or less
  $ 6,999     $ 6,862  
Due after one year through five years
  $ 2,130     $ 2,143