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Long-Term Investments (Details 4) - USD ($) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2019 | Sep. 30, 2018 | Sep. 30, 2019 | Sep. 30, 2018
Net sales | $ 197,733 | $ 747 | $ 601,757 | $ 3,976
Gross Profit | 194,936 | 210 | 584,109 | 1,120
Net loss | (1,329,685) | (687,300) | (2,817,454) | (2,136,962)
Share of losses from investments accounted for using the equity method |  | $ (201,590) |  | (287,513)
Rgene Corporation [Member] |  |  |  |
Net sales |  |  |  |
Gross Profit |  |  |  |
Net loss |  |  | (59,717) | (191,534)
Share of losses from investments accounted for using the equity method |  |  |  |
BioFirst Corporation [Member] |  |  |  |
Net sales |  |  | 32,235 | 33,304
Gross Profit |  |  | 5,048 | 6,590
Net loss |  |  | (842,838) | (766,425)
Share of losses from investments accounted for using the equity method |  |  | $ (182,113) | $ (164,649)

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