Condensed Consolidated Statements of Operations (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Operating expenses:
Research and development	$ 38,134	$ 17,340
General and administrative	9,479	4,692
Total operating expenses	47,613	22,032
Loss from operations	(47,613)	(22,032)
Other income (expense):
Interest income	149	749
Interest expense	(3,381)	0
Change in fair value of derivative liability	334	0
Other expense, net	(16)	(23)
Net loss before provision for income taxes	(50,527)	(21,306)
Provision for income taxes	5	4
Net loss	$ (50,532)	$ (21,310)
Net loss per share, basic and diluted	$ (1.68)	$ (0.86)
Weighted-average shares of common stock outstanding, basic and diluted	30,105,017	24,704,651