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Note 5 - Acquisitions and Investments - Purchase Price Allocation (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022	May 09, 2022
Goodwill	$ 598,260	$ 595,851
ModeX Therapeutics, Inc [Member]
Cash and cash equivalents			$ 228
Other assets			727
Property, plant and equipment			1,046
Goodwill			80,260
Accounts payable			(287)
Deferred tax liability			(55,312)
Total purchase price			221,662
ModeX Therapeutics, Inc [Member] \| In Process Research and Development [Member]
IPR&D assets			$ 195,000