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)

v3.7.0.1
Fair Value Measurements - Schedule of Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation (Details)
$ in Thousands
6 Months Ended
Jun. 30, 2017
USD ($)
Beginning Balance $ 7,514
Initial Liability 2,877
Payments (25)
Accretion 81
Cancellation of Obligation / Conversions (7,490)
Mark to Market 137
Ending Balance 3,094
Prefunded Warrants [Member]  
Beginning Balance
Initial Liability 2,247
Payments
Accretion
Cancellation of Obligation / Conversions (1,252)
Mark to Market 66
Ending Balance 1,061
Underwriter Warrants[Member]  
Beginning Balance
Initial Liability 422
Payments
Accretion
Cancellation of Obligation / Conversions
Mark to Market 10
Ending Balance 432
Asuragen [Member]  
Beginning Balance 1,545
Initial Liability
Payments (25)
Accretion 81
Cancellation of Obligation / Conversions
Mark to Market
Ending Balance 1,601
RedPath [Member]  
Beginning Balance 5,969
Initial Liability
Payments
Accretion
Cancellation of Obligation / Conversions (5,969)
Mark to Market
Ending Balance
Embedded Conversion Option [Member]  
Beginning Balance
Initial Liability 208
Payments
Accretion
Cancellation of Obligation / Conversions (269)
Mark to Market 61
Ending Balance