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Property and Equipment, Net (Details) - USD ($)
3 Months Ended 12 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Dec. 31, 2020
Dec. 31, 2019
Property, Plant and Equipment [Abstract]        
Depreciation $ 48,780 $ 88,860 $ 325,044 $ 349,082
Loss on disposal of property and equipment     $ (39,238)