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Consolidated Statements of Operations and Comprehensive Loss - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Operating expenses:    
Research and development $ 9,278 $ 5,472
General and administrative 3,737 1,742
Total operating expenses 13,015 7,214
Loss from operations (13,015) (7,214)
Other income:    
Other (loss) income (21) 2
Net loss (13,036) (7,212)
Unrealized gain on short-term investments 30  
Comprehensive loss $ (13,006) $ (7,212)
Net loss per share attributable to common stockholders, basic $ (0.53) $ (3.48)
Net loss per share attributable to common stockholders, diluted $ (0.53) $ (3.48)
Weighted-average shares used in computing net loss per share, basic 24,458,290 2,070,935
Weighted-average shares used in computing net loss per share, diluted 24,458,290 2,070,935