CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Income Statement [Abstract]
License revenue	$ 5,278	$ 0	$ 5,278	$ 0
Operating expenses:
Research and development	52,487	24,147	96,293	44,333
General and administrative	17,843	10,384	32,631	20,161
Total operating expenses	70,330	34,531	128,924	64,494
Loss from operations	(65,052)	(34,531)	(123,646)	(64,494)
Other income (loss), net:
Impairment loss on right-of-use assets	0	0	0	(677)
Interest income	490	106	727	249
Sublease income	147	9	286	9
Total other income (loss), net	637	115	1,013	(419)
Net loss before income taxes	(64,415)	(34,416)	(122,633)	(64,913)
Income tax provision	(528)	0	(528)	0
Net loss attributable to common stockholders	$ (64,943)	$ (34,416)	$ (123,161)	$ (64,913)
Earnings Per Share, Basic	$ (2.17)	$ (1.17)	$ (4.13)	$ (2.27)
Earnings Per Share, Diluted	$ (2.17)	$ (1.17)	$ (4.13)	$ (2.27)
Weighted Average Number of Shares Outstanding, Basic	29,896,332	29,482,511	29,851,396	28,639,210
Weighted Average Number of Shares Outstanding, Diluted	29,896,332	29,482,511	29,851,396	28,639,210