XML 43 R32.htm IDEA: XBRL DOCUMENT v3.23.2
Summary of Significant Accounting Policies - Schedule of Potentially Dilutive Shares (Detail) - shares
3 Months Ended 6 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2023
Jun. 30, 2022
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Anti-dilutive securities (in shares) 24,419,347 27,139,760 24,419,347 27,139,760
Outstanding stock options        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Anti-dilutive securities (in shares) 1,970,536 2,129,002 1,970,536 2,129,002
Outstanding restricted stock units        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Anti-dilutive securities (in shares) 400,000 1,024,929 400,000 1,024,929
March 2018 Public Offering Series 2 | Warrant        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Anti-dilutive securities (in shares) 0 798,810 0 798,810
December 2020 Public Offering Series 2 | Warrant        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Anti-dilutive securities (in shares) 6,800,000 6,800,000 6,800,000 6,800,000
April 2022 Public Offering | Warrant        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Anti-dilutive securities (in shares) 15,000,000 15,000,000 15,000,000 15,000,000
Warrants to purchase common stock associated with Loan Agreement | Warrant        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Anti-dilutive securities (in shares) 198,811 198,819 198,811 198,819
Common stock associated with March 2019 Notes        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Anti-dilutive securities (in shares) 0 1,138,200 0 1,138,200
Warrants to purchase common stock associated with Danforth | Warrant        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Anti-dilutive securities (in shares) 50,000 50,000 50,000 50,000