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Note 4 - Marketable Securities - Schedule of Contractual Maturity (Details) $ in Thousands	Jun. 30, 2025 USD ($)
Due in one year or less, amortized cost	$ 48,834
Due in one year or less, fair value	48,817
Due after one year through five years, amortized cost	218,423
Due after one year through five years, fair value	218,386
Due after ten years, amortized cost	3,782
Due after ten years, fair value	3,782
Total marketable securities, amortized cost	271,039
Total marketable securities, fair value	$ 270,985

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+ References

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+ References

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+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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+ References

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