CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE (LOSS) INCOME - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Revenues	$ 11	$ 32,555	$ 320	$ 33,010
Cost of goods sold	0	333	0	447
Gross profit	11	32,222	320	32,563
Operating expenses:
Research and development	17,396	15,263	53,144	52,350
General and administrative	9,304	5,313	19,431	16,785
Total operating expenses	26,700	20,576	72,575	69,135
(Loss) income from operations	(26,689)	11,646	(72,255)	(36,572)
Other income:
Interest income and other, net	2,703	199	8,321	182
Gain on sale of business, net	0	229,670	0	229,670
(Loss) income before income taxes	(23,986)	241,515	(63,934)	193,280
Income tax expense	0	153	0	153
Net (loss) income	(23,986)	241,362	(63,934)	193,127
Other comprehensive (loss) income:
Unrealized gain (loss) on debt investments, net	188	31	(288)	(16)
Comprehensive (loss) income	$ (23,798)	$ 241,393	$ (64,222)	$ 193,111
Per share information:
Net loss, basic (in dollars per share)	$ (0.27)	$ 2.75	$ (0.72)	$ 2.21
Net loss, diluted (in dollars per share)	$ (0.27)	$ 2.75	$ (0.72)	$ 2.17
Weighted-average shares outstanding, basic (in shares)	88,620,666	87,634,888	88,500,813	87,388,624
Weighted-average shares outstanding, diluted (in shares)	88,620,666	87,814,330	88,500,813	89,070,831
Procurement revenue
Revenues	$ 0	$ 31,971	$ 0	$ 31,971
Contract and grant revenue
Revenues	11	503	271	503
Licensing revenue
Revenues	$ 0	$ 81	$ 49	$ 536