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Intangible Assets - Schedule of Future Amortization of Intangible Assets (Details) (10-K) - USD ($)
Mar. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Finite-Lived Intangible Assets [Line Items]      
Total $ 93,750 $ 100,000 $ 125,000
Intangible Assets [Member]      
Finite-Lived Intangible Assets [Line Items]      
2021 25,000 25,000  
2022 25,000 25,000  
2023 25,000 25,000  
2024   25,000  
Total $ 93,750 $ 100,000