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Fair Value Measurements - Schedule of Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation (Details)
$ in Thousands
9 Months Ended
Sep. 30, 2020
USD ($)
Beginning Balance $ 2,975
Payments (501)
Accretion 414
Cancellation of Obligation/Conversions Exercises
Adjustment to Fair Value/Mark to Market (62)
Ending Balance 2,826
Underwriter Warrants [Member]  
Beginning Balance 82
Payments
Accretion
Cancellation of Obligation/Conversions Exercises
Adjustment to Fair Value/Mark to Market (62)
Ending Balance 20
Asuragen [Member]  
Beginning Balance 2,893
Payments (501)
Accretion 414
Cancellation of Obligation/Conversions Exercises
Adjustment to Fair Value/Mark to Market
Ending Balance $ 2,806