CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Operating expenses
Research and development	$ 3,989	$ 2,098
General and administrative	1,303	1,261
Total operating expenses	5,292	3,359
Net operating loss	(5,292)	(3,359)
Other income
Interest income	19
Total other income	19
Net loss	$ (5,273)	$ (3,359)
Net loss per share, basic (in dollars per share)	$ (0.66)	$ (0.47)
Weighted average number of common shares outstanding, basic (in shares)	7,960	7,160
Net loss per share, diluted (in dollars per share)	$ (0.66)	$ (0.47)
Weighted average number of common shares outstanding, diluted (in shares)	7,960	7,160