Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurement (Details)

v3.7.0.1
Fair Value Measurement (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Beginning balance $ 20 $ 861
Change in fair value of warrant liability (118) (737)
Warrant modification expense 770 0
Ending balance 672 124
Contingent Consideration [Member]    
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Beginning balance 1,816 17,028
Payments of contingent consideration (1,350) (5,147)
Change in fair value of warrant liability 34 362
Ending balance $ 500 $ 12,243