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Summary of convertible note balances (Details) - USD ($)
Dec. 31, 2020
Dec. 31, 2019
Debt Disclosure [Abstract]    
Principal balance $ 3,286,270 $ 3,402,117
Unamortized discounts (30,672) (1,011,636)
Ending balance, net $ 3,255,598 $ 2,390,481