Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies - Net Loss Per Common Share (Details)

v3.22.1
Summary of Significant Accounting Policies - Net Loss Per Common Share (Details) - shares
 3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Antidilutive securities excluded from computation of earnings per share (in shares) 4,863,086 770,629
Penny Options    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Exercisable penny options (in shares) 172,636  
Stock options (excluding exercisable penny stock options)    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Antidilutive securities excluded from computation of earnings per share (in shares) 928,560 348,080
Restricted stock awards    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Antidilutive securities excluded from computation of earnings per share (in shares) 26,250 0
Warrants    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Antidilutive securities excluded from computation of earnings per share (in shares) 3,908,276 422,549