Consolidated Statements of Operations and Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Operating expenses:
Research and development	$ 1,349	$ 928	$ 2,780	$ 1,940
General and administrative	1,381	1,382	2,615	2,594
Total operating expenses	2,730	2,310	5,395	4,534
Operating loss	(2,730)	(2,310)	(5,395)	(4,534)
Other income:
Interest and other income, net	11	1	21	2
Net loss	$ (2,719)	$ (2,309)	$ (5,374)	$ (4,532)
Net loss per share, basic	$ (1.97)	$ (1.68)	$ (3.90)	$ (3.55)
Net loss per share, diluted	$ (1.97)	$ (1.68)	$ (3.90)	$ (3.55)
Weighted average number of common shares outstanding, basic (In Shares)	1,383,280	1,370,341	1,376,849	1,275,172
Weighted average number of common shares outstanding, diluted (In Shares)	1,383,280	1,370,341	1,376,849	1,275,172