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Intangible Assets (Details Textual) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Intangible Assets (Textual)        
Amortization expense relating to intangible assets $ 8,676 $ 17,912 $ 17,484 $ 40,534
Intangible assets useful life , description     NMPA approval is obtained over their individually identifiable estimated useful life, which range from ten to thirteen years.