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Pro Forma Financial Statements (Details 3) - USD ($) | Mar. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
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BioKey's total shares of preferred stock outstanding as of December 31, 2018 |  |  |
BioKey [Member] |  |  |
BioKey's total shares of preferred stock outstanding as of December 31, 2018 |  | 22,133,097 |
Exchange of each BioKey share of preferred stock outstanding as of December 31, 2018, for one share of ABVC common stock |  | 1 |
ABVC common stock to be issued to BioKey as a result of the Merger |  | 22,133,097 |
Par value $0.001 per share of ABVC |  | $ 22,133 |
Series A [Member] | BioKey [Member] |  |  |
BioKey's total shares of preferred stock outstanding as of December 31, 2018 |  | 7,000,000 |
Series B [Member] | BioKey [Member] |  |  |
BioKey's total shares of preferred stock outstanding as of December 31, 2018 |  | 1,160,000 |
Series C [Member] | BioKey [Member] |  |  |
BioKey's total shares of preferred stock outstanding as of December 31, 2018 |  | 13,973,097 |

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