Condensed Consolidated Statements of Operations and Comprehensive Loss (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Operating expense:
Research & development	$ 5,887	$ 2,470	$ 12,927	$ 5,534
General & administrative	6,905	4,796	13,445	11,891
Total operating expenses	12,792	7,266	26,372	17,425
Operating loss	(12,792)	(7,266)	(26,372)	(17,425)
Other income, net
Interest income, net	(10)	(126)	(125)	(225)
Total other income, net	(10)	(126)	(125)	(225)
Net loss	(12,782)	(7,140)	(26,247)	(17,200)
Other comprehensive gain (loss):
Unrealized gains (losses) on available-for-sale marketable debt securities	63		(101)
Total other comprehensive gain (loss)	63		(101)
Comprehensive Loss	$ (12,719)	$ (7,140)	$ (26,348)	$ (17,200)
Weighted Average Shares Outstanding, basic and diluted (in Shares)	11,232,010	5,843,203	11,229,484	5,701,855
Net loss per share, basic and diluted (in Dollars per share)	$ (1.14)	$ (1.22)	$ (2.34)	$ (3.02)