CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Operating expenses:
Research and development	$ 3,718	$ 3,694	$ 13,207	$ 11,509
General and administrative	6,277	2,211	13,448	7,593
Total operating expenses	9,995	5,905	26,655	19,102
Loss from operations	(9,995)	(5,905)	(26,655)	(19,102)
Other income (expense)	(22)	10	55	298
Interest income	232	10	353	42
Interest expense	(377)	(667)	(1,343)	(1,954)
Net loss	$ (10,162)	$ (6,552)	$ (27,590)	$ (20,716)
Net loss per share - basic	$ (0.37)	$ (0.24)	$ (1.01)	$ (0.76)
Net loss per share - diluted	$ (0.37)	$ (0.24)	$ (1.01)	$ (0.76)
Weighted average common shares outstanding - basic	27,401,060	27,355,454	27,382,760	27,349,279
Weighted average common shares outstanding - diluted	27,401,060	27,355,454	27,382,760	27,349,279
Other comprehensive loss:
Unrealized gain on short-term investments	$ 7		$ 1
Comprehensive loss	$ (10,155)	$ (6,552)	$ (27,589)	$ (20,716)