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Net Loss per Share Attributable to Common Stockholders - Anti-dilutive effect (Details) - shares
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Antidilutive Securities    
Antidilutive securities excluded from computation of diluted net loss per share 5,262,179 4,545,794
Option to purchase common stock    
Antidilutive Securities    
Antidilutive securities excluded from computation of diluted net loss per share 5,262,179 4,545,794