Annual report pursuant to Section 13 and 15(d)

Property and Equipment, Net (Details)

v3.21.1
Property and Equipment, Net (Details) - USD ($)
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Property and Equipment, net (Textual)    
Depreciation and amortization expense $ 3,605,539 $ 3,548,810
Property and Equipment [Member]    
Property and Equipment, net (Textual)    
Impairment in property and equipment $ 5,595,557 $ 0