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Inventories (Details) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Dec. 31, 2019
Inventory Disclosure [Abstract]          
Inventory, Net $ 48,458,672   $ 48,458,672   $ 29,724,665
Inventory Write-down $ 7,767,910 $ 0 $ 7,767,910 $ 0