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Concentrations (Details Narrative)
3 Months Ended 12 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Dec. 31, 2020
Dec. 31, 2019
Sales Revenue, Net [Member]        
Concentration risk percentage 53.60% 56.60% 73.30% 56.90%
Customer [Member]        
Concentration risk percentage 10.00%   10.00%