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Segments - Narrative (Details)
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2015
USD ($)
Segment
Customer
Jun. 30, 2014
conversion_right
Dec. 31, 2014
Customer
Segment Reporting Information [Line Items]          
Number of reportable segments     2    
Customer Concentration Risk | Sales Revenue, Net          
Segment Reporting Information [Line Items]          
Percentage of product revenue contributed by customer 42.00% 21.00% 42.00% 15.00%  
Number of customer represented | conversion_right       1  
Customer Concentration Risk | Accounts Receivable          
Segment Reporting Information [Line Items]          
Number of customer represented | Customer     0   0
Intersegment Elimination          
Segment Reporting Information [Line Items]          
Inter-segment sales | $     $ 0    
Inter-segment allocation of interest expense | $     $ 0    
Pharmaceuticals          
Segment Reporting Information [Line Items]          
Number of operating segments     2    
Diagnostics          
Segment Reporting Information [Line Items]          
Number of operating segments     2