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Income Tax - Summary of Income Before Income Taxes (Detail) - USD ($)
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Schedule of Income loss before income taxes by Jurisdiction [Line Items]      
Income (loss) before income taxes $ 84,614,271 $ 4,074,467 $ 29,360,569
British Virgin Islands (BVI)      
Schedule of Income loss before income taxes by Jurisdiction [Line Items]      
Income (loss) before income taxes (1,227) (976) (382)
UAE      
Schedule of Income loss before income taxes by Jurisdiction [Line Items]      
Income (loss) before income taxes 122,422,324 63,056,081 27,663,586
PRC, excluding HK S.A.R.      
Schedule of Income loss before income taxes by Jurisdiction [Line Items]      
Income (loss) before income taxes (35,920,356) (57,038,284) 2,142,160
HK S.A.R.      
Schedule of Income loss before income taxes by Jurisdiction [Line Items]      
Income (loss) before income taxes 286,843 65,233 (85,436)
Cayman Islands      
Schedule of Income loss before income taxes by Jurisdiction [Line Items]      
Income (loss) before income taxes (2,152,866) $ (2,007,587) $ (359,359)
Singapore      
Schedule of Income loss before income taxes by Jurisdiction [Line Items]      
Income (loss) before income taxes $ (20,447)