Consolidated Statements of Operations and Comprehensive Loss - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Operating expenses:    
Research and development $ 121,308 $ 45,200
General and administrative 28,717 13,447
Total operating expenses 150,025 58,647
Loss from operations (150,025) (58,647)
Other (expense) income:    
Interest income 742 56
Interest expense (396)
Change in success fee obligation 450
Other income (expense), net (8)  
Total other (expense) income, net 734 (790)
Net loss $ (149,291) $ (59,437)
Net loss per share, basic and diluted $ (2.93) $ (4.13)
Weighted average common shares outstanding, basic and diluted 50,895,044 14,395,955
Comprehensive loss:    
Net loss $ (149,291) $ (59,437)
Other comprehensive loss:    
Unrealized losses on marketable securities (242) (27)
Comprehensive loss $ (149,533) $ (59,464)