Annual report pursuant to Section 13 and 15(d)

Fixed Assets, Net - Additional Information (Details)

v3.20.1
Fixed Assets, Net - Additional Information (Details) - USD ($)
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Tooling and Equipment      
Property, Plant and Equipment [Line Items]      
Depreciation and Amortization $ 1,913,409 $ 1,273,527 $ 921,113