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Long-Term Investments (Details Textual) - USD ($)
 1 Months Ended 3 Months Ended 12 Months Ended
Dec. 24, 2018
Aug. 15, 2018
Nov. 02, 2018
Mar. 31, 2019
Mar. 31, 2018
Dec. 31, 2018
Dec. 31, 2017
Long-Term Investments (Textual)              
Issued shares       $ 694,219 $ 80,000 $ 80,000 $ 5,850,000
Rgene [Member]              
Long-Term Investments (Textual)              
Percentage of common stock shares       31.63%   31.62%  
Issued shares $ 2,550,000            
Common stock price $ 1.60            
Aggregate number of shares 1,530,000            
BioFirst [Member]              
Long-Term Investments (Textual)              
Percentage of common stock shares       16.14%   15.84%  
Sale of common stock, description   The Company subsequently purchased an aggregate of 200,000 and 366,200 shares of common stock of BHK at NT$10, equivalent to $0.33, and NT$50, equivalent $1.64, from one of directors of BHK and eleven shareholders of BHK, respectively. The percentage of ownership accordingly increased to 7.13% as of March 31, 2019 and December 31, 2018. The Company subsequently purchased an aggregate of 200,000 and 366,200 shares of common stock of BHK at NT$10, equivalent to $0.33, and NT$50, equivalent $1.64, from one of directors of BHK and eleven shareholders of BHK, respectively. The percentage of ownership accordingly increased to 7.13% as of March 31, 2019 and December 31, 2018.     The Company sold 552,000 shares of common stock of BioHopeKing Corporation (the "BHK") at prices ranging from NT$25, equivalent $0.82, to NT$32, equivalent $1.05, to two directors of BHK and 25 individuals. As a result of the transactions, the Company recognized investment loss of $395,476 for the same period.