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Intangible Assets (Details) - USD ($)
Sep. 30, 2020
Dec. 31, 2019
Intangible assets consisted solely of NMPA approved medical formulas as follows:    
Gross carrying amount $ 4,957,144 $ 4,839,117
Accumulated amortization (4,773,599) (4,633,506)
Net carrying amount $ 183,545 $ 205,611