Statements of Operations and Comprehensive Loss (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Operating expenses:
Research and development (includes related party amounts of $77, $849, $1,800, and $2,695, respectively)	$ 19,020	$ 16,608	$ 55,495	$ 58,786
General and administrative (includes related party amounts of $0, $0, $0, and $16, respectively)	23,509	16,529	70,303	43,254
Total operating expenses	42,529	33,137	125,798	102,040
Loss from operations	(42,529)	(33,137)	(125,798)	(102,040)
Other income (expense):
Interest income	726	8	845	35
Interest expense	(9,277)	(1,485)	(17,703)	(4,013)
Other expense	(11)	(2,048)	(20)	(2,039)
Total other expense	(8,562)	(3,525)	(16,878)	(6,017)
Net loss and comprehensive loss	$ (51,091)	$ (36,662)	$ (142,676)	$ (108,057)
Net loss per share, basic	$ (1.32)	$ (0.98)	$ (3.72)	$ (2.94)
Net loss per share, diluted	$ (1.32)	$ (0.98)	$ (3.72)	$ (2.94)
Weighted-average shares of common stock outstanding, basic	38,820,266	37,299,351	38,379,292	36,748,492
Weighted-average shares of common stock outstanding, diluted	38,820,266	37,299,351	38,379,292	36,748,492