CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Revenue:
Federal contract revenue	$ 1,891	$ 1,785	$ 10,753	$ 5,088
Total revenue	7,338	2,340	23,799	18,316
Expenses:
Research and development	23,661	19,002	73,006	58,488
Selling, general and administrative	14,868	13,389	45,794	42,187
Cost of IP license fee				1,169
Total expenses	38,984	32,439	119,847	101,892
Loss from operations	(31,646)	(30,099)	(96,048)	(83,576)
Interest income	1,895	514	6,366	610
Interest expense	(4,242)	(2,634)	(12,597)	(6,982)
Gain from sale of priority review voucher, net		107,375		107,375
Other income (expense), net	1,021	(114)	1,105	(1,179)
(Loss) income before income taxes	(32,972)	75,042	(101,174)	16,248
(Provision) benefit for income taxes		(1,752)	1,538	(1,752)
Net (loss) income	(32,972)	73,290	(99,636)	14,496
Net income allocated to preferred shareholders		1,656		336
Net (loss) income applicable to common shareholders	$ (32,972)	$ 71,634	$ (99,636)	$ 14,160
Per share information:
Net (loss) income per share of common stock-basic	$ (0.61)	$ 1.93	$ (1.89)	$ 0.38
Net (loss) income per share of common stock-diluted	$ (0.61)	$ 1.89	$ (1.89)	$ 0.37
Basic weighted average shares outstanding	53,920,109	37,202,269	52,755,114	37,084,060
Diluted weighted average shares outstanding	53,920,109	37,910,511	52,755,114	38,393,754
Other comprehensive loss:
Unrealized gain (loss) on available-for-sale securities	$ 43		$ (71)
Total comprehensive (loss) income	(32,929)	$ 73,290	(99,707)	$ 14,496
Product revenue, net
Revenue:
Revenue	5,429	555	13,010	555
Expenses:
Cost of product revenue	455	$ 48	1,047	48
Collaboration revenue
Revenue:
Revenue	$ 18		$ 36	$ 12,673