Condensed Statements of Operations - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Operating expenses:
Research and development	$ 4,513	$ 1,644	$ 9,725	$ 5,651
General and administrative	3,210	1,174	7,635	2,537
Total operating expenses	7,723	2,818	17,360	8,188
Loss from operations	(7,723)	(2,818)	(17,360)	(8,188)
Change in fair value of warrant liability		(5,549)		(5,549)
Other income	6		506
Interest expense, net	(3)	(10)	(5)	(27)
Net loss	$ (7,720)	$ (8,377)	$ (16,859)	$ (13,764)
Per share information:
Net loss per share of common stock, basic and diluted	$ (0.65)	$ (7.52)	$ (1.49)	$ (12.44)
Weighted-average common shares outstanding, basic and diluted	11,934,491	1,114,427	11,348,856	1,106,039