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Leases (Details) - Schedule of operating leases - USD ($)
3 Months Ended 12 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Dec. 31, 2020
Dec. 31, 2019
Schedule of operating leases [Abstract]        
Cash paid for amounts included in the measurement of operating lease liabilities $ 16,133 $ 38,529 $ 107,674 $ 178,158
Weighted average assumptions:        
Remaining lease term 255 days 2 years 328 days 328 days 3 years 36 days
Discount rate 3.50% 2.50% 3.50% 2.50%