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Summary of Significant Accounting Policies - Summary of Basic Earnings Per Common Share (Detail)
6 Months Ended
Jun. 30, 2021
shares
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]  
Total anti-dilutive securities 1,612,284
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 74,800