Annual report pursuant to Section 13 and 15(d)

Fair Value Measurement (Details)

v3.10.0.1
Fair Value Measurement (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Beginning balance $ 130 $ 20
Change in fair value of warrant liability 26 (693)
Warrant modification expense 0 803
Ending balance 156 130
Contingent Consideration [Member]    
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Beginning balance 0 1,816
Payments of contingent consideration 0 (1,851)
Change in fair value of warrant liability 0 35
Ending balance $ 0 $ 0