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Property and Equipment, Net - Additional Information (Details) - USD ($)
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Depreciation, Depletion and Amortization $ 15,343 $ 19,129
Research and Development Expense 14,102,449 11,119,096
General and Administrative Expense 7,206,095 6,137,347
Property, Plant and Equipment [Member]    
Depreciation, Depletion and Amortization 15,343 19,129
Research and Development Expense 9,762 17,966
General and Administrative Expense $ 5,581 $ 1,163