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Income Taxes - Components of Loss Before Provision For Income Taxes Domestic and Foreign (Details) - USD ($)
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Income Tax Disclosure [Abstract]    
Domestic $ (43,661,897) $ (55,268,310)
Foreign (1,468,287) (494,714)
Loss before income taxes $ (45,130,184) $ (55,763,024)