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Accrued Expenses and Other Current Liabilities - Schedule of Accrued Expenses and Other Current Liabilities (Detail) - USD ($)
Dec. 31, 2021
Dec. 31, 2020
Payables and Accruals [Abstract]    
Accrued payroll and welfare $ 13,026,548 $ 4,656,854
Taxes payable 976,428 709,001
Others 893,158 782,631
Accrued Expenses and Other Current Liabilities $ 14,896,134 $ 6,148,486