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Summary of Significant Accounting Policies (Details Narrative) (10-K) - USD ($)
Mar. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Accounting Policies [Abstract]      
Cash equivalents
Unrecognized tax benefits  
Accrued for penalties and interest  
Cash FDIC amount $ 250,000 $ 250,000