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Commitments - Operating leases, future minimum lease payments (Details) - USD ($)
Sep. 30, 2020
Dec. 31, 2019
Commitments and Contingencies Disclosure [Abstract]    
Remainder of 2020 $ 48,056  
2021 160,909  
2022 11,354  
Total 220,319  
Less: present value adjustment (12,765)  
Total lease liabilities $ 207,554 $ 335,508