Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Operating expenses
Research and development	$ 3,508	$ 1,499
General and administrative	3,590	3,248
Total operating expenses	7,098	4,747
Operating loss	(7,098)	(4,747)
Interest income	850	1
Other expense, net	(33)	(40)
Loss before income taxes	(6,281)	(4,786)
Income taxes	0	0
Net loss	$ (6,281)	$ (4,786)
Loss per share of common stock - basic and diluted (in dollars per share)	$ (0.05)	$ (0.04)
Weighted average shares outstanding - basic and diluted (in shares)	126,624	126,624