CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Revenue:
Federal contract revenue	$ 7,048	$ 1,513
Total revenue	10,380	14,186
Expenses:
Research and development	27,933	17,991
Selling, general and administrative	15,204	11,737
Cost of IP license fee		1,169
Total expenses	43,343	30,897
Loss from operations	(32,963)	(16,711)
Interest income	2,343	12
Interest expense	(4,147)	(1,692)
Other income (expense), net	37	(970)
Net loss	$ (34,730)	$ (19,361)
Per share information:
Net loss per share of common stock-basic	$ (0.67)	$ (0.52)
Net loss per share of common stock-diluted	$ (0.67)	$ (0.52)
Basic weighted average shares outstanding	51,769,685	36,890,568
Diluted weighted average shares outstanding	51,769,685	36,890,568
Other comprehensive income:
Unrealized gain on available-for-sale securities	$ 74
Total comprehensive income (loss)	(34,656)	$ (19,361)
Product revenue, net
Revenue:
Revenue	3,332
Expenses:
Cost of revenue	$ 206
Collaboration revenue
Revenue:
Revenue		$ 12,673