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Net Loss Per Share - Summary of Potentially Dilutive Shares of Common Stock (Details) - shares
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]    
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 729,898 164,291
Outstanding stock options    
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]    
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 596,497 30,890
Warrants to purchase common stock    
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]    
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 133,401 133,401