Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements - Schedule of Financial Instrument Measured on Recurring Basis (Details)

v3.7.0.1
Fair Value Measurements - Schedule of Financial Instrument Measured on Recurring Basis (Details) - USD ($)
$ in Thousands
Jun. 30, 2017
Dec. 31, 2016
Fair Value, Inputs, Level 1 [Member]    
Cash and cash equivalents $ 14,265 $ 602
Contingent consideration  
Fair value of liabilities  
Fair Value, Inputs, Level 1 [Member] | Prefunded [Member]    
Warrant Liability  
Fair Value, Inputs, Level 1 [Member] | Underwriter [Member]    
Warrant Liability  
Fair Value, Inputs, Level 1 [Member] | Asuragen [Member]    
Contingent consideration
Fair Value, Inputs, Level 1 [Member] | RedPath [Member]    
Contingent consideration  
Fair Value, Inputs, Level 2 [Member]    
Cash and cash equivalents
Contingent consideration  
Fair value of liabilities  
Fair Value, Inputs, Level 2 [Member] | Prefunded [Member]    
Warrant Liability  
Fair Value, Inputs, Level 2 [Member] | Underwriter [Member]    
Warrant Liability  
Fair Value, Inputs, Level 2 [Member] | Asuragen [Member]    
Contingent consideration
Fair Value, Inputs, Level 2 [Member] | RedPath [Member]    
Contingent consideration  
Fair Value, Inputs, Level 3 [Member]    
Cash and cash equivalents
Contingent consideration   7,514
Fair value of liabilities 3,094  
Fair Value, Inputs, Level 3 [Member] | Prefunded [Member]    
Warrant Liability 1,061  
Fair Value, Inputs, Level 3 [Member] | Underwriter [Member]    
Warrant Liability 432  
Fair Value, Inputs, Level 3 [Member] | Asuragen [Member]    
Contingent consideration 1,061 1,545
Fair Value, Inputs, Level 3 [Member] | RedPath [Member]    
Contingent consideration   5,969
Cash [Member] | Fair Value, Inputs, Level 1 [Member]    
Cash and cash equivalents 14,265 602
Cash [Member] | Fair Value, Inputs, Level 2 [Member]    
Cash and cash equivalents
Cash [Member] | Fair Value, Inputs, Level 3 [Member]    
Cash and cash equivalents
Reported Value Measurement [Member]    
Cash and cash equivalents 14,265 602
Contingent consideration   7,514
Fair value of liabilities 3,094  
Reported Value Measurement [Member] | Prefunded [Member]    
Warrant Liability 1,061  
Reported Value Measurement [Member] | Underwriter [Member]    
Warrant Liability 432  
Reported Value Measurement [Member] | Asuragen [Member]    
Contingent consideration 1,061 1,545
Reported Value Measurement [Member] | RedPath [Member]    
Contingent consideration   5,969
Reported Value Measurement [Member] | Cash [Member]    
Cash and cash equivalents 14,265 602
Fair Value Measurements [Member]    
Cash and cash equivalents 14,265 602
Contingent consideration   7,514
Fair value of liabilities 3,094  
Fair Value Measurements [Member] | Prefunded [Member]    
Warrant Liability 1,061  
Fair Value Measurements [Member] | Underwriter [Member]    
Warrant Liability 432  
Fair Value Measurements [Member] | Asuragen [Member]    
Contingent consideration 1,061 1,545
Fair Value Measurements [Member] | RedPath [Member]    
Contingent consideration   5,969
Fair Value Measurements [Member] | Cash [Member]    
Cash and cash equivalents $ 14,265 $ 602