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Note 17 - Financial Instruments (Details) - Assets and Liabilities Measureed at Fair Value (USD $)
In Thousands, unless otherwise specified |
Jun. 30, 2014
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Jun. 30, 2013
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|---|---|---|
| Note 17 - Financial Instruments (Details) - Assets and Liabilities Measureed at Fair Value [Line Items] | ||
| Cash equivalents | $ 117,683 | $ 88,034 |
| Available-for-sale securities | 18,153 | 15,529 |
| Total | 135,836 | 103,563 |
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Fair Value, Inputs, Level 1 [Member]
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| Note 17 - Financial Instruments (Details) - Assets and Liabilities Measureed at Fair Value [Line Items] | ||
| Cash equivalents | 117,683 | 88,034 |
| Total | 117,683 | 88,034 |
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Fair Value, Inputs, Level 2 [Member]
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||
| Note 17 - Financial Instruments (Details) - Assets and Liabilities Measureed at Fair Value [Line Items] | ||
| Available-for-sale securities | 18,153 | 15,529 |
| Total | $ 18,153 | $ 15,529 |