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General and Administrative Expenses (Details) - Schedule of general and administrative expenses - General and Administrative Expense [Member] - USD ($)
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
General and Administrative Expenses (Details) - Schedule of general and administrative expenses [Line Items]      
Salaries and social welfare $ 787,700 $ 1,358,629 $ 1,068,643
Service fee 1,469,810 750,734 1,493,403
Office expense 79,733 268,555 391,850
Research & Development 301,713
Depreciation &Amortization 83,531 138,811 79,177
Stock compensation 69,176 247,134
Entertainment fee 3,348 4,176 22,593
Travel Expense 57,237 1,056 17,902
Others 842 2,671 53,050
Total General and administrative expenses $ 2,482,201 $ 2,593,808 $ 3,675,465