CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Revenues and other income:
Total revenues and other income	$ 30,978	$ 43,979
Operating costs and expenses:
Cost of Captisol	2,882	3,717
Amortization of intangibles	8,186	8,539
Research and development	5,971	6,663
General and administrative	10,951	10,855
Total operating costs and expenses	27,990	29,774
Operating income from continuing operations	2,988	14,205
Non-operating income and expenses:
Gain from short-term investments	110,772	39,533
Interest income	2,020	1,435
Interest expense	(141)	(240)
Gain on derivative instruments	196	0
Other non-operating income (expense), net	(2,388)	603
Total non-operating income and expenses, net	110,459	41,331
Income before income taxes from continuing operations	113,447	55,536
Income tax expense	(27,308)	(11,922)
Net income from continuing operations	86,139	43,614
Net loss from discontinued operations	0	(1,665)
Net income	$ 86,139	$ 41,949
Earnings per share
Basic net income from continuing operations per share (in USD per share)	$ 4.86	$ 2.56
Basic net loss from discontinued operations per share (in USD per share)	0	(0.10)
Basic net income per share (in USD per share)	$ 4.86	$ 2.46
Shares used in basic per share calculation (in shares)	17,732	17,063
Diluted net income from continuing operations per share (in USD per share)	$ 4.75	$ 2.43
Diluted net loss from discontinued operations per share (in USD per share)	0	(0.09)
Diluted net income per share (in USD per share)	$ 4.75	$ 2.33
Shares used in diluted per share calculation (in shares)	18,122	17,974
Royalties
Revenues and other income:
Total revenues and other income	$ 19,095	$ 17,647
Revenue from intangible royalty assets
Revenues and other income:
Total revenues and other income	18,357	17,154
Income from financial royalty assets
Revenues and other income:
Total revenues and other income	738	493
Captisol
Revenues and other income:
Total revenues and other income	9,212	10,622
Contract revenue and other income
Revenues and other income:
Total revenues and other income	$ 2,671	$ 15,710