XML 43 R33.htm IDEA: XBRL DOCUMENT v3.21.2
Summary of Significant Accounting Policies - Summary of Basic Earnings Per Common Share (Detail)
9 Months Ended
Sep. 30, 2021
shares
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]  
Total anti-dilutive securities 1,685,684
Warrants [Member]  
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]  
Total anti-dilutive securities 1,537,484
Share-based compensation awards [Member]  
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]  
Total anti-dilutive securities 148,200