Quarterly report pursuant to Section 13 or 15(d)

Note 12 - Fair Value Measurements (Details) - Assets and liabilities measured at fair value on a recurring basis

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Note 12 - Fair Value Measurements (Details) - Assets and liabilities measured at fair value on a recurring basis (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2013
Jun. 30, 2013
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash equivalents $ 106,158 $ 88,034
Available-for-sale securities 13,431 15,529
Total 119,589 103,563
Fair Value, Inputs, Level 1 [Member]
    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash equivalents 106,158 88,034
Available-for-sale securities 0 0
Total 106,158 88,034
Fair Value, Inputs, Level 2 [Member]
    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash equivalents 0 0
Available-for-sale securities 13,431 15,529
Total 13,431 15,529
Fair Value, Inputs, Level 3 [Member]
    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash equivalents 0 0
Available-for-sale securities 0 0
Total $ 0 $ 0