Condensed Consolidated Statements of Operations and Comprehensive Loss (Unaudited) - 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 expense	$ 7,849	$ 2,425	$ 43,828	$ 5,909
General and administrative	3,772	767	9,463	2,406
Total operating expenses	11,621	3,192	53,291	8,315
Loss from operations	(11,621)	(3,192)	(53,291)	(8,315)
Other income (expense):
Interest income	6	1	16	66
Service fee income from related party			181
Change in fair value of derivative liability	(2,560)		(5,821)
Total other income (expense)	(2,554)	1	(5,624)	66
Loss from equity method investment in joint venture			(231)
Net loss and comprehensive loss	$ (14,175)	$ (3,191)	$ (59,146)	$ (8,249)
Net loss per common share, basic and diluted	$ (8.96)	$ (2.93)	$ (40.27)	$ (8.43)
Weighted average common shares outstanding, basic and diluted	1,581,610	1,088,222	1,468,777	979,081