Condensed Consolidated Statements of Operations and Comprehensive Loss (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Operating expenses:
Research and development	$ 10,223	$ 5,862	$ 16,862	$ 10,278
General and administrative	3,114	3,125	6,183	5,891
Total operating expenses	13,337	8,987	23,045	16,169
Loss from operations	(13,337)	(8,987)	(23,045)	(16,169)
Other income	2,059	493	3,930	513
Loss before income tax expense	(11,278)	(8,494)	(19,115)	(15,656)
Income tax expense	0	0	0	0
Net loss	$ (11,278)	$ (8,494)	$ (19,115)	$ (15,656)
Net loss per share - basic and diluted (in dollars per share)	$ (0.09)	$ (0.08)	$ (0.15)	$ (0.16)
Basic and diluted weighted average shares outstanding (in shares)	126,729	100,947	126,539	100,903
Other comprehensive loss:
Net loss	$ (11,278)	$ (8,494)	$ (19,115)	$ (15,656)
Unrealized loss on marketable securities	(361)	(512)	(205)	(512)
Comprehensive loss	$ (11,639)	$ (9,006)	$ (19,320)	$ (16,168)