Condensed Consolidated Statements of Operations and Comprehensive Loss (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Revenue:
Revenues	$ 20,876	$ 2,181
Operating expenses:
Research and development	30,744	19,013
General and administrative	5,067	7,238
Total operating expenses	35,811	26,251
Operating loss	(14,935)	(24,070)
Other income (expense):
Interest income	437	503
Non-cash interest expense related to sale of future royalties	(997)	(804)
Other income (expense), net	(1)	(1)
Loss before income taxes	(15,496)	(24,372)
Provision for income taxes	95	45
Net loss	$ (15,591)	$ (24,417)
Net loss per share - basic and diluted (in dollars per share)	$ (0.07)	$ (0.14)
Shares used to compute net loss per share - basic and diluted (in shares)	227,923,636	168,811,095
Comprehensive loss:
Net loss	$ (15,591)	$ (24,417)
Unrealized loss on available-for-sale investments, net of tax	(11)	(9)
Comprehensive loss	(15,602)	(24,426)
Non Cash Royalty Revenue [Member]
Revenue:
Revenues	1,579	585
Government Contract [Member]
Revenue:
Revenues	$ 19,297	$ 1,596