CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Total revenue	$ 4,055	$ 6,036
Operating expenses
Research and development	32,126	39,573
General and administrative	26,686	31,994
Total operating expenses	58,812	71,567
Loss from operations	(54,757)	(65,531)
Other income (expense), net	703	2,453
Net loss	(54,054)	(63,078)
Other comprehensive income (loss)
Foreign currency translation adjustment	28	(5)
Unrealized gain (loss) on marketable securities	0	(1)
Comprehensive loss	(54,026)	(63,084)
Common Stock
Other comprehensive income (loss)
Net loss attributable to shareholders - basic	(54,010)	(63,078)
Net loss attributable to shareholders - diluted	$ (54,010)	$ (63,078)
Weighted shares used in calculating net loss per share - basic (in shares)	270,995,121	244,327,057
Weighted shares used in calculating net loss per share - diluted (in shares)	270,995,121	244,327,057
Net loss per share attributable to shareholders - basic (in USD per share)	$ (0.20)	$ (0.26)
Net loss per share attributable to shareholders - diluted (in USD per share)	$ (0.20)	$ (0.26)
Series B Convertible Preferred Stock
Other comprehensive income (loss)
Net loss attributable to shareholders - basic	$ (44)	$ 0
Net loss attributable to shareholders - diluted	$ (44)	$ 0
Weighted shares used in calculating net loss per share - basic (in shares)	54,745	0
Weighted shares used in calculating net loss per share - diluted (in shares)	54,745	0
Net loss per share attributable to shareholders - basic (in USD per share)	$ (0.80)	$ 0
Net loss per share attributable to shareholders - diluted (in USD per share)	$ (0.80)	$ 0
Collaborative arrangement revenue
Total revenue	$ 4,055	$ 6,036
Operating expenses
Research and development	$ 1,900	$ 5,300