Statements of Operations and Comprehensive Loss (Unaudited) - 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 (includes related party amounts of $370, $905, $1,800, and $1,846, respectively)	$ 18,815	$ 21,597	$ 36,475	$ 42,178
General and administrative (includes related party amounts of $0, $0, $0, and $16, respectively)	26,548	13,722	46,794	26,725
Total operating expenses	45,363	35,319	83,269	68,903
Loss from operations	(45,363)	(35,319)	(83,269)	(68,903)
Other income (expense):
Interest income	112	13	119	27
Interest expense	(5,667)	(1,256)	(8,426)	(2,528)
Other (expense)	(2)	10	(9)	9
Total other (expense)	(5,557)	(1,233)	(8,316)	(2,492)
Net loss and comprehensive loss	$ (50,920)	$ (36,552)	$ (91,585)	$ (71,395)
Net loss per share, basic	$ (1.33)	$ (1.00)	$ (2.40)	$ (1.96)
Net loss per share, diluted	$ (1.33)	$ (1.00)	$ (2.40)	$ (1.96)
Weighted-average shares of common stock outstanding, basic	38,272,044	36,636,164	38,155,151	36,468,498
Weighted-average shares of common stock outstanding, diluted	38,272,044	36,636,164	38,155,151	36,468,498