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Summary of Significant Accounting Policies - Reconciliation of Numerators and Denominators used in Computing Basic and Diluted Net Income Per Share (Detail) - USD ($)
 3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Accounting Policies [Abstract]    
Net income (loss) $ 3,720,218 $ 2,897,976
Numerator, basic and diluted net income (loss) available to stockholders $ (3,720,218) $ (2,897,976)
Shares used in computation – basic:    
Weighted average common shares outstanding 12,610,924 9,517,664
Common shares outstanding for basic 12,610,924 9,517,664
Shares used in computation – diluted:    
Common shares outstanding for basic 12,610,924 9,517,664
Shares used in computing diluted net income per share 12,610,924 9,517,664
Net (loss) per share – basic $ (0.29) $ (0.30)
Net (loss) per share – diluted $ (0.29) $ (0.30)