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Basis of Presentation - Additional Information (Details)
3 Months Ended 9 Months Ended 12 Months Ended
Oct. 26, 2017
USD ($)
Sep. 30, 2017
USD ($)
Customer
Sep. 30, 2016
USD ($)
Customer
Sep. 30, 2017
USD ($)
Customer
Sep. 30, 2016
USD ($)
Customer
Dec. 31, 2016
USD ($)
Customer
Dec. 31, 2015
USD ($)
Significant Accounting Policies [Line Items]              
Accumulated deficit   $ 132,644,066   $ 132,644,066   $ 115,606,044  
Cash and cash equivalents   9,047,401 $ 5,523,824 9,047,401 $ 5,523,824 7,507,659 $ 3,293,983
Current liabilities   $ 13,524,912   13,524,912   10,020,991  
Long-term liabilities           $ 5,389,137  
Net proceeds from issuance of common stock       16,700,000      
Maximum | Accounting Standards Update 2016-02 | Office and Equipment Leases              
Significant Accounting Policies [Line Items]              
Gross-up amount of leases effect in balance sheets       $ 3,000,000      
Sales Revenue, Net | Customer Concentration Risk              
Significant Accounting Policies [Line Items]              
Number of customers | Customer   3 3 3 3    
Sales Revenue, Net | Customer Concentration Risk | Customer One              
Significant Accounting Policies [Line Items]              
Sales revenue percentage   57.00% 27.00% 35.00% 38.00%    
Sales Revenue, Net | Customer Concentration Risk | Customer Two              
Significant Accounting Policies [Line Items]              
Sales revenue percentage   10.00% 24.00% 13.00% 14.00%    
Sales Revenue, Net | Customer Concentration Risk | Customer Three              
Significant Accounting Policies [Line Items]              
Sales revenue percentage   4.00% 9.00% 5.00% 7.00%    
Accounts Receivable | Customer Concentration Risk              
Significant Accounting Policies [Line Items]              
Number of customers | Customer       2   2  
Accounts Receivable | Customer Concentration Risk | Customer One              
Significant Accounting Policies [Line Items]              
Sales revenue percentage       62.00%   28.00%  
Accounts Receivable | Customer Concentration Risk | Customer Two              
Significant Accounting Policies [Line Items]              
Sales revenue percentage       6.00%   15.00%  
NuvoGen              
Significant Accounting Policies [Line Items]              
Long-term liabilities   $ 8,200,000   $ 8,200,000      
QIAGEN North American Holdings, Inc. | Subsequent Event              
Significant Accounting Policies [Line Items]              
Investments from related parties $ 3,000,000            
QIAGEN North American Holdings, Inc. | Convertible Promissory Note | Subsequent Event              
Significant Accounting Policies [Line Items]              
Gross proceeds from issuance of subordinated notes $ 3,000,000