Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements - Schedule of Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation (Details)

v3.19.2
Fair Value Measurements - Schedule of Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation (Details)
$ in Thousands
6 Months Ended
Jun. 30, 2019
USD ($)
Beginning Balance $ 3,488
Payments (263)
Accretion 220
Cancellation of Obligation/Conversions Exercises
Adjustment to Fair Value/Mark to Market (45)
Ending Balance 3,400
Underwriter Warrants[Member]  
Beginning Balance 361
Payments
Accretion
Cancellation of Obligation/Conversions Exercises
Adjustment to Fair Value/Mark to Market (45)
Ending Balance 316
Asuragen [Member]  
Beginning Balance 3,127
Payments (263)
Accretion 220
Cancellation of Obligation/Conversions Exercises
Adjustment to Fair Value/Mark to Market
Ending Balance $ 3,084