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Summary of Significant Accounting Policies - Summary of Potentially Dilutive Securities Not Included in Calculation of Diluted Net Loss Per Share (Details) - shares
3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]        
Antidilutive securities not included in calculation of diluted net loss per share 5,206,092 2,494,889 5,206,092 2,494,889
Common Stock Options        
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]        
Antidilutive securities not included in calculation of diluted net loss per share 3,839,951 2,414,461 3,839,951 2,414,461
Common Stock Warrants        
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]        
Antidilutive securities not included in calculation of diluted net loss per share 1,366,141 80,428 1,366,141 80,428