CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Operating expenses:
Research and development	$ 1,808	$ 2,508	$ 5,325	$ 5,398
General and administrative	968	1,063	3,600	3,334
Total operating expenses	2,776	3,571	8,925	8,732
Operating loss	(2,776)	(3,571)	(8,925)	(8,732)
Total other expense, net	(4)	(5)	(6)	(17)
Net loss	$ (2,780)	$ (3,576)	$ (8,931)	$ (8,749)