Quarterly report pursuant to Section 13 or 15(d)

Significant Accounting Policies - Net Loss per Share (Details)

v3.22.1
Significant Accounting Policies - Net Loss per Share (Details) - shares
 3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Potentially dilutive securities that were excluded from the computation of diluted net loss per share, as they would be anti-dilutive 3,729,084 4,503,838
Warrants    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Potentially dilutive securities that were excluded from the computation of diluted net loss per share, as they would be anti-dilutive 12,493 13,191
Stock options    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Potentially dilutive securities that were excluded from the computation of diluted net loss per share, as they would be anti-dilutive 270,000 250,000
Unvested restricted stock    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Potentially dilutive securities that were excluded from the computation of diluted net loss per share, as they would be anti-dilutive 3,446,591 4,240,647