Quarterly report pursuant to Section 13 or 15(d)

Note 12 - Assets and Liabilities Measured at Fair Value (Details)

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Note 12 - Assets and Liabilities Measured at Fair Value (Details) - USD ($)
$ in Thousands
Sep. 30, 2015
Jun. 30, 2015
Fair Value, Inputs, Level 1 [Member]    
Cash equivalents $ 94,811 $ 84,192
Available-for-sale securities
Total $ 94,811 $ 84,192
Fair Value, Inputs, Level 2 [Member]    
Cash equivalents
Available-for-sale securities $ 2,198
Total $ 2,198
Fair Value, Inputs, Level 3 [Member]    
Cash equivalents
Available-for-sale securities
Total
Cash equivalents $ 94,811 $ 84,192
Available-for-sale securities 2,198
Total $ 94,811 $ 86,390