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Stockholders' Equity - Additional Information - Deferred Stock Units (Detail) - Deferred Stock Units [Member] - USD ($)
6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Dec. 31, 2021
Sep. 01, 2019
Schedule Of Stockholders Equity [Line Items]        
Number of stock unit received       1
Deferred stock units 3,610 64,698    
Compensation expense related to grants $ 146,053      
DSUs outstanding 209,925   198,145  
Director [Member]        
Schedule Of Stockholders Equity [Line Items]        
Compensation expense related to grants $ 19,280 $ 271,124    
Executive Employees [Member]        
Schedule Of Stockholders Equity [Line Items]        
Deferred stock units 8,170 13,333    
Compensation expense related to grants   $ 119,812