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Segment Information and Concentrations (Details Narrative) - Segment
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Number of reportable segment 2  
Maximum percentage of sales derived from large number of customer 10.00% 10.00%
Three Main Suppliers [Member]    
Percentage of drug and chemical purchases from three main suppliers 67.00% 58.00%