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Note 12 - Financial Instruments (Details) - Assets and Liabilities Measureed at Fair Value (USD $)
In Thousands, unless otherwise specified |
Sep. 30, 2014
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Jun. 30, 2014
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|---|---|---|
| Note 12 - Financial Instruments (Details) - Assets and Liabilities Measureed at Fair Value [Line Items] | ||
| Cash equivalents | $ 122,315 | $ 117,683 |
| Available-for-sale securities | 12,878 | 18,153 |
| Total | 135,193 | 135,836 |
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Fair Value, Inputs, Level 1 [Member]
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| Note 12 - Financial Instruments (Details) - Assets and Liabilities Measureed at Fair Value [Line Items] | ||
| Cash equivalents | 122,315 | 117,683 |
| Total | 122,315 | 117,683 |
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Fair Value, Inputs, Level 2 [Member]
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||
| Note 12 - Financial Instruments (Details) - Assets and Liabilities Measureed at Fair Value [Line Items] | ||
| Available-for-sale securities | 12,878 | 18,153 |
| Total | $ 12,878 | $ 18,153 |