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Condensed Statements of Operations and Comprehensive Loss - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Operating expenses    
Research and development $ 5,985 $ 2,578
General and administrative 3,221 1,215
Total operating expenses 9,206 3,793
Loss from operations (9,206) (3,793)
Other income (expense)    
Interest income, net 76 4
Change in fair value of preferred stock tranche rights liability and preferred stock warrant liability   (23,217)
Other income, net 1 9
Total other income (expense) 77 (23,204)
Net loss (9,129) (26,997)
Other comprehensive loss    
Unrealized loss on marketable securities (583)  
Comprehensive loss $ (9,712) $ (26,997)
Net loss per common share, basic and diluted $ (0.23) $ (64.41)
Weighted-average shares outstanding, basic and diluted 40,473,270 419,124