CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - 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	$ 3,051	$ 1,851	$ 7,040	$ 3,949
General and administrative	1,191	1,159	2,494	2,420
Total operating expenses	4,242	3,010	9,534	6,369
Net operating loss	(4,242)	(3,010)	(9,534)	(6,369)
Other income
Interest income	8	2	27	2
Total other income	8	2	27	2
Net loss	$ (4,234)	$ (3,008)	$ (9,507)	$ (6,367)
Net loss per share, basic (in dollars per share)	$ (0.53)	$ (0.42)	$ (1.19)	$ (0.89)
Weighted average number of common shares outstanding, basic (in shares)	7,960	7,160	7,960	7,160
Net loss per share, diluted (in dollars per share)	$ (0.53)	$ (0.42)	$ (1.19)	$ (0.89)
Weighted average number of common shares outstanding, diluted (in shares)	7,960	7,160	7,960	7,160