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General and Administrative Expenses (Details) - USD ($)
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Salaries and social welfare $ 761,774 $ 1,765,019 $ 805,048
Service fee 12,369 41,437 84,445
Office expense 1,960 7,302
Stock compensation 69,176 247,134 479,233
Travel Expense 4,848 42,656 35,438
General and administrative expenses 2,593,808 3,675,465 3,192,030
General and administrative expenses [Member]      
Salaries and social welfare 1,358,629 1,068,643 862,660
Service fee 750,734 1,493,403 915,228
Office expense 268,555 391,850 388,751
Research & Development 301,713 344,575
Depreciation &Amortization 138,811 79,177 31,739
Stock compensation 69,176 247,134 479,233
Entertainment fee 4,176 22,593
Travel Expense 1,056 17,902 75,080
Others 2,671 53,050 94,764
General and administrative expenses $ 2,593,808 $ 3,675,465 $ 3,192,030