Annual report pursuant to Section 13 and 15(d)

Segments (Details Textual)

v2.4.0.8
Segments (Details Textual) (USD $)
12 Months Ended
Dec. 31, 2013
Segment
Dec. 31, 2012
Dec. 31, 2011
Segment Reporting Information [Line Items]      
Number of reportable segments 2    
Inter-segment allocation of income taxes $ 1,672,000 $ (9,626,000) $ (19,358,000)
Customer Concentration Risk [Member] | Total Revenue [Member]
     
Segment Reporting Information [Line Items]      
Number of customer represented 0 0  
Percentage of product revenue contributed by customer 10.00% 10.00%  
Customer Concentration Risk [Member] | Product Revenue [Member]
     
Segment Reporting Information [Line Items]      
Number of Customer Representation   1  
Percentage of Customer in Revenue   17.00%  
Customer Concentration Risk [Member] | Accounts Receivable [Member]
     
Segment Reporting Information [Line Items]      
Number of customer represented 0 0  
Percentage of product revenue contributed by customer 10.00% 10.00%  
Intersegment Elimination [Member]
     
Segment Reporting Information [Line Items]      
Inter-segment sales 0    
Inter-segment allocation of interest expense 0    
Inter-segment allocation of income taxes $ 0    
Pharmaceutical [Member]
     
Segment Reporting Information [Line Items]      
Number of operating segments 2    
Diagnostics [Member]
     
Segment Reporting Information [Line Items]      
Number of operating segments 2