Quarterly report pursuant to Section 13 or 15(d)

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

v3.8.0.1
Fair Value Measurements - Schedule of Financial Instrument Measured on Recurring Basis (Details) - USD ($)
$ in Thousands
Mar. 31, 2018
Dec. 31, 2017
Warrant liability $ 402 $ 473
Fair value of liabilities 1,906  
Asuragen [Member]    
Contingent consideration [1] 1,504 1,581
Level 1 [Member]    
Warrant liability [1]
Fair value of liabilities
Level 1 [Member] | Asuragen [Member]    
Contingent consideration [1]
Level 2 [Member]    
Warrant liability [1]
Fair value of liabilities
Level 2 [Member] | Asuragen [Member]    
Contingent consideration [1]
Level 3 [Member]    
Warrant liability [1] 402 473
Fair value of liabilities 1,906 2,054
Level 3 [Member] | Asuragen [Member]    
Contingent consideration [1] 1,504 1,581
Fair Value Measurements [Member]    
Warrant liability [1] 402 473
Fair value of liabilities 1,906 2,054
Fair Value Measurements [Member] | Asuragen [Member]    
Contingent consideration [1] 1,504 1,581
Reported Value Measurement [Member]    
Warrant liability [1] 402 473
Fair value of liabilities $ 1,906 $ 2,054
[1] See Note 7, Accrued Expenses and Long-Term Liabilities