Note 5 - Acquisitions and Investments (Tables)

12 Months Ended

Dec. 31, 2023

Notes Tables

Schedule of Business Acquisitions, by Acquisition [Table Text Block]

(in thousands)	ModeX
Cash and cash equivalents	$	228
Other assets		727
Property, plant and equipment		1,046
IPR&D assets		195,000
Goodwill		80,260
Accounts payable		(287	)
Deferred tax liability		(55,312	)
Total purchase price	$	221,662

Investment [Table Text Block]

(in thousands)	As of December 31, 2023					As of December 31, 2022
Investment type	Investment Carrying Value			Underlying Equity in Net Assets		Investment Carrying Value		Underlying Equity in Net Assets
Equity method investments	$	(0	)	$	2,942	$	103	$	4,120
Variable interest entity, equity method		796			420		800		1,370
Equity method investments - FV option		9,786					21,120
Equity securities		116					648
Equity securities with no readily determinable fair value		5,382					5,381
Warrants and options		2					28
Total carrying value of investments	$	16,082				$	28,080

Unrealized Gain (Loss) on Investments [Table Text Block]

	For the year ended December 31
(in thousands)	2023			2022			2021
Equity Securities:
Net gains and (losses) recognized during the period on equity securities	$	(532	)	$	(3,578	)	$	(1,832	)
Less: Net gains realized during the period on equity securities		—			—			(2,981	)
Unrealized net gains and losses recognized during the period on equity securities still held at the reporting date	$	(532	)	$	(3,578	)	$	(4,813	)