Note 7 - Intangible Assets, Net - Intangible Assets, Net (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Acquired and in-licensed rights	$ 102,500	$ 102,500
Less: accumulated amortization	(48,934)	(41,629)
Total intangible assets, net	$ 53,566	$ 60,871

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 350
-SubTopic 30
-Name Accounting Standards Codification
-Section 55
-Paragraph 40
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482640/350-30-55-40

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 350
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-Name Accounting Standards Codification
-Section S45
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-URI https://asc.fasb.org/1943274/2147480265/350-10-S45-1

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 350
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-Publisher FASB
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 210
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-Section S99
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- Definition

Gross carrying amount as of the balance sheet date of certain rights acquired to exercise a certain privilege or pursue a particular business or occupation and which is deemed to have a finite economic life.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 350
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
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Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 210
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- Definition

Amount, after impairment and amortization, of goodwill, indefinite-lived, and finite-lived intangible assets.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 350
-SubTopic 10
-Name Accounting Standards Codification
-Section S45
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-URI https://asc.fasb.org/1943274/2147480265/350-10-S45-1

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