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Related-Party Transactions - Additional Information (Details) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Related Party Transaction [Line Items]        
Service $ 1,353,579 $ 1,318,689 $ 2,183,604 $ 1,583,731
Research and development 1,618,889 2,611,591 2,885,952 4,605,692
Revenues 1,760,756 1,895,816 3,131,925 2,761,048
SOW One        
Related Party Transaction [Line Items]        
Service 277,400   277,400  
Profit sharing payments received or recongnized     0  
Research and development $ 222,200   $ 222,200  
Costs   0   0
Revenues   $ 0   $ 0
Minimum | Novo Holdings A/S        
Related Party Transaction [Line Items]        
Beneficial ownership percentage held 5.00%   5.00%  
QIAGEN North American Holdings, Inc. | Minimum        
Related Party Transaction [Line Items]        
Beneficial ownership percentage held 5.00%   5.00%