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Commitments and Contingencies - Leases (Details) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Leases        
Rental expense $ 13,410 $ 10,394 $ 36,600 $ 31,209