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Notes Receivable (Details) - Schedule of notes receivable - USD ($)
Mar. 31, 2021
Dec. 31, 2020
Schedule of notes receivable [Abstract]    
Principal amounts of notes receivable $ 220,000 $ 250,000
Collections on notes receivables (23,500) (30,000)
Less: allowance for doubtful accounts $ (196,500) (196,500)
Notes receivable, net   $ 23,500