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Net Loss Per Share - Summary of Potentially Dilutive Shares of Common Stock (Details) - shares
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]    
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 664,639 166,998
Outstanding stock options    
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]    
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 531,238 31,136
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 133,401 135,862