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Description of Business, Basis of Presentation and Principles of Consolidation - Additional Information (Details)
$ / shares in Units, $ in Millions
1 Months Ended 3 Months Ended 6 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2019
USD ($)
$ / shares
shares
Jan. 31, 2018
$ / shares
shares
Sep. 30, 2019
Customer
$ / shares
shares
Sep. 30, 2018
Customer
Jun. 30, 2018
shares
Jun. 30, 2018
shares
Sep. 30, 2019
Segment
Customer
$ / shares
shares
Sep. 30, 2018
Customer
Dec. 31, 2018
Customer
Significant Accounting Policies [Line Items]                  
Number of operating segments | Segment             1    
Issuance of common stock from initial public offering, shares         5,733,314 5,733,314      
Underwritten Public Offering                  
Significant Accounting Policies [Line Items]                  
Issuance of common stock from initial public offering, shares 29,298,537 13,915,000              
Common stock, offering price per share | $ / shares $ 0.65 $ 2.90 $ 0.65       $ 0.65    
Net proceeds from initial public offering after underwriters' discounts, commissions and offering expenses | $ $ 17.6                
Over-Allotment Option                  
Significant Accounting Policies [Line Items]                  
Issuance of common stock from initial public offering, shares 3,821,548 1,815,000              
Common stock, offering price per share | $ / shares $ 0.611   $ 0.611       $ 0.611    
Private Placement | Institutional Accredited Investors | Pre-funded Warrants                  
Significant Accounting Policies [Line Items]                  
Issuance of warrants, shares 5,411,687   5,411,687       5,411,687    
Number of securities called by warrants 5,411,687   5,411,687       5,411,687    
Net proceeds from exercise of warrants after deducting placement agent fee and offering expenses | $ $ 3.1                
Sales Revenue, Net | Customer Concentration Risk                  
Significant Accounting Policies [Line Items]                  
Number of customers | Customer     2 2     3 2  
Sales Revenue, Net | Customer Concentration Risk | Customers Located Outside Of United States                  
Significant Accounting Policies [Line Items]                  
Sales revenue percentage     29.00% 79.00%     31.00% 77.00%  
Sales Revenue, Net | Customer Concentration Risk | Customers Located Outside Of United States | QIAGEN Manchester Limited | Collaborative Development Services                  
Significant Accounting Policies [Line Items]                  
Sales revenue percentage     70.00% 92.00%     68.00% 82.00%  
Sales Revenue, Net | Customer Concentration Risk | Customer One                  
Significant Accounting Policies [Line Items]                  
Sales revenue percentage     39.00% 72.00%     23.00% 63.00%  
Sales Revenue, Net | Customer Concentration Risk | Customer Two                  
Significant Accounting Policies [Line Items]                  
Sales revenue percentage     20.00% 10.00%     22.00% 10.00%  
Sales Revenue, Net | Customer Concentration Risk | Customer Three                  
Significant Accounting Policies [Line Items]                  
Sales revenue percentage             21.00%    
Accounts Receivable | Customer Concentration Risk                  
Significant Accounting Policies [Line Items]                  
Number of customers | Customer             2   4
Accounts Receivable | Customer Concentration Risk | Customer One                  
Significant Accounting Policies [Line Items]                  
Sales revenue percentage             43.00%   44.00%
Accounts Receivable | Customer Concentration Risk | Customer Two                  
Significant Accounting Policies [Line Items]                  
Sales revenue percentage             30.00%   27.00%
Accounts Receivable | Customer Concentration Risk | Customer Three                  
Significant Accounting Policies [Line Items]                  
Sales revenue percentage                 11.00%
Accounts Receivable | Customer Concentration Risk | Customer Four                  
Significant Accounting Policies [Line Items]                  
Sales revenue percentage                 11.00%