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Stock Based Compensation (Details) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Stock based compensation expenses $ 546,120 $ (229,016) $ 1,267,320 $ 378,607
Research and development [Member]        
Stock based compensation expenses 34,430 78,035
General and administrative [Member]        
Stock based compensation expenses $ 511,690 $ (229,016) $ 1,189,285 $ 378,607