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Stockholders' Equity - Additional Information - Deferred Stock Units (Detail) - Deferred Stock Units [Member] - USD ($)
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Schedule Of Stockholders Equity [Line Items]    
Deferred stock units 82,881 47,212
DSUs outstanding 198,145 73,231
Director [Member]    
Schedule Of Stockholders Equity [Line Items]    
Compensation expense related to grants $ 394,355 $ 74,496
Executive Employees [Member]    
Schedule Of Stockholders Equity [Line Items]    
Deferred stock units 49,775 39,684
Compensation expense related to grants $ 192,783 $ 205,316