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, 2019	Dec. 31, 2018
Fair Value Measurements
Fair value liability	$ 6,929	$ 13,960
Warrants
Fair Value Measurements
Fair value liability	38	113
Contingent Consideration Liability
Fair Value Measurements
Fair value liability	6,891	13,847
Level 3
Fair Value Measurements
Fair value liability	6,929	13,960
Level 3 | Warrants
Fair Value Measurements
Fair value liability	38	113
Level 3 | Contingent Consideration Liability
Fair Value Measurements
Fair value liability	$ 6,891	$ 13,847