Note 5 - Cash, Cash Equivalents and Investments (Details Textual) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | 12 Months Ended | |||
---|---|---|---|---|---|---|
Sep. 30, 2024 |
Sep. 30, 2023 |
Sep. 30, 2024 |
Sep. 30, 2023 |
Dec. 31, 2023 |
Dec. 31, 2022 |
|
Pieris Pharmaceuticals, Inc. [Member] | ||||||
Debt Securities, Available-for-Sale, Realized Gain (Loss) | $ 0 | $ 0 | $ 0 | $ (100) | $ (100) | $ 400 |
X | ||||||||||
- Definition Amount of realized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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X | ||||||||||
- Details
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