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Long-Term Investments (Details 3) - USD ($)
Mar. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Current Assets $ 1,527,182 $ 566,476 $ 2,643,332
Current Liabilities 12,435,155 10,987,786 4,400,247
Shareholders' Equity (Deficit) (5,762,310) (5,657,996) (1,756,915)
Rgene [Member]      
Current Assets 94,305 98,168
Noncurrent Assets 39,541 14,779
Current Liabilities 292,588 261,685
Noncurrent Liabilities 11,424  
Shareholders' Equity (Deficit) (170,166) (148,738)
BioFirst [Member]      
Current Assets 7,324,390 7,551,898  
Noncurrent Assets 1,639,340 1,608,460  
Current Liabilities 1,805,325 1,648,206  
Noncurrent Liabilities 36,502  
Shareholders' Equity (Deficit) $ 7,121,903 $ 7,512,152