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Prepayments and Other Current Assets - Schedule of Prepayments and Other Current Assets (Detail) - USD ($)
Dec. 31, 2021
Jan. 01, 2021
Dec. 31, 2020
Prepaid Expense and Other Assets, Current [Abstract]      
Amounts due from third party payment platforms $ 17,320,817   $ 14,237,874
Others 4,636,413   1,487,550
Prepayments and Other Current Assets $ 21,957,230 $ 15,294,999 $ 15,725,424