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Segments (Details Textual) (USD $)
9 Months Ended 3 Months Ended 9 Months Ended 12 Months Ended 9 Months Ended
Sep. 30, 2014
Segment
Sep. 30, 2014
Customer Concentration Risk
Sales Revenue, Net
Customer
Sep. 30, 2013
Customer Concentration Risk
Sales Revenue, Net
Customer
Sep. 30, 2014
Customer Concentration Risk
Sales Revenue, Net
Customer
Sep. 30, 2013
Customer Concentration Risk
Sales Revenue, Net
Customer
Sep. 30, 2014
Customer Concentration Risk
Accounts Receivable
Customer
Dec. 31, 2013
Customer Concentration Risk
Accounts Receivable
Customer
Sep. 30, 2014
Intersegment Elimination
Sep. 30, 2014
Pharmaceutical
Segment
Sep. 30, 2014
Diagnostics
Segment
Segment Reporting Information [Line Items]                    
Number of reportable segments 2                  
Number of operating segments                 2 2
Inter-segment sales               $ 0    
Inter-segment allocation of interest expense               $ 0    
Number of customer represented   0 0 1 0 0 0      
Percentage of product revenue contributed by customer   10.00% 10.00% 13.00% 10.00% 10.00% 10.00%