Summary of Significant Accounting Policies - Schedule of Company's liabilities that are measured at fair value on a recurring basis ( (Details) - Recurring - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Fair Value Measurements
Fair value liability	$ 13,768	$ 1,736
Warrants
Fair Value Measurements
Fair value liability	194	99
Deferred Consideration Liability
Fair Value Measurements
Fair value liability	1,255	395
Contingent Consideration Liability
Fair Value Measurements
Fair value liability	12,319	1,242
Level 3
Fair Value Measurements
Fair value liability	13,768	1,736
Level 3 | Warrants
Fair Value Measurements
Fair value liability	194	99
Level 3 | Deferred Consideration Liability
Fair Value Measurements
Fair value liability	1,255	395
Level 3 | Contingent Consideration Liability
Fair Value Measurements
Fair value liability	$ 12,319	$ 1,242