Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies - Net Loss per Share - Basic and Diluted (Details)

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Summary of Significant Accounting Policies - Net Loss per Share - Basic and Diluted (Details) - shares
 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Total Shares of Common Stock Issuable 7,300,297 3,871,510
Common Stock    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Total Shares of Common Stock Issuable 6,815,248 2,772,117
Preferred Stock    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Total Shares of Common Stock Issuable 13,000 852,500
Employee Stock Options    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Total Shares of Common Stock Issuable 472,049 246,893