Consolidated Statements of Operations and Comprehensive Loss - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Operating expenses:
Research and development	$ 38,120	$ 29,997
General and administrative	12,243	11,658
Total operating expenses	50,363	41,655
Loss from operations	(50,363)	(41,655)
Other income	7,869	2,430
Loss before income tax expense	(42,494)	(39,225)
Income tax expense	0	0
Net loss	$ (42,494)	$ (39,225)
Net loss per share - basic and diluted (in dollars per share)	$ (0.33)	$ (0.37)
Basic and diluted weighted average shares outstanding (in shares)	127,027	105,186
Other comprehensive loss:
Net loss	$ (42,494)	$ (39,225)
Unrealized gain (loss) on marketable securities	339	(302)
Comprehensive loss	$ (42,155)	$ (39,527)