CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Revenues:
Total revenues	$ 26,366	$ 50,126	$ 70,345	$ 86,642
Operating costs and expenses:
Cost of Captisol	1,669	12,361	5,386	17,060
Amortization of intangibles	8,539	8,550	17,078	17,130
Research and development	6,854	8,467	13,517	17,646
General and administrative	11,287	12,086	22,142	24,011
Total operating costs and expenses	28,349	41,464	58,123	75,847
Operating (loss) income from continuing operations	(1,983)	8,662	12,222	10,795
Other income (expense):
Gain (loss) from short-term investments	3,991	(1,909)	43,524	(14,786)
Interest income	2,320	298	3,755	432
Interest expense	(284)	(438)	(524)	(1,227)
Other (loss) income, net	(873)	2,048	(270)	4,303
Total other income (expense), net	5,154	(1)	46,485	(11,278)
Income (loss) before income taxes from continuing operations	3,171	8,661	58,707	(483)
Income tax (expense) benefit	(881)	3,938	(12,803)	153
Net income (loss) from continuing operations	2,290	12,599	45,904	(330)
Net loss from discontinued operations	0	(13,494)	(1,665)	(15,950)
Net income (loss)	$ 2,290	$ (895)	$ 44,239	$ (16,280)
Earnings per share
Basic net income (loss) from continuing operations per share (in USD per share)	$ 0.13	$ 0.75	$ 2.67	$ (0.02)
Basic net loss from discontinued operations per share (in USD per share)	0	(0.80)	(0.10)	(0.95)
Basic net income (loss) per share (in USD per share)	$ 0.13	$ (0.05)	$ 2.58	$ (0.97)
Shares used in basic per share calculations (in shares)	17,276	16,868	17,170	16,846
Diluted net income (loss) from continuing operations per share (in USD per share)	$ 0.13	$ 0.74	$ 2.57	$ (0.02)
Diluted net loss from discontinued operations per share (in USD per share)	0	(0.79)	(0.09)	(0.95)
Diluted net income (loss) per share (in USD per share)	$ 0.13	$ (0.05)	$ 2.48	$ (0.97)
Shares used in diluted per share calculations (in shares)	17,730	17,058	17,851	16,846
Royalties
Revenues:
Total revenues	$ 20,430	$ 17,820	$ 37,584	$ 31,252
Captisol
Revenues:
Total revenues	5,220	29,545	15,842	41,667
Contract revenue
Revenues:
Total revenues	$ 716	$ 2,761	$ 16,919	$ 13,723