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Income Taxes Expense (Details) - USD ($)
6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Income Taxes Expense    
Effective tax rate (as a percent) 0.00% 0.00%
Unrecognized tax benefits $ 0  
Unrecognized tax benefits, interest and penalties 0  
Income (Loss) before income taxes and equity in earnings of subsidiaries $ (12,130,402) $ (6,615,939)