Fair Value Measurements (Tables)
|12 Months Ended|
Dec. 31, 2018
|Fair Value Disclosures [Abstract]|
|Summary of Changes in Fair Value of Convertible Preferred Stock Warrant Liability and Contingent Consideration||The changes in the fair value of the convertible preferred stock warrant liability and changes in the fair value of contingent consideration are summarized below (in thousands):
Tabular disclosure of the fair value measurement of liabilities using significant unobservable inputs (Level 3), a reconciliation of the beginning and ending balances, separately presenting changes attributable to the following: (1) total gains or losses for the period (realized and unrealized), segregating those gains or losses included in earnings (or changes in net assets), and gains or losses recognized in other comprehensive income (loss) and a description of where those gains or losses included in earnings (or changes in net assets) are reported in the statement of income (or activities); (2) purchases, sales, issues, and settlements (each type disclosed separately); and (3) transfers in and transfers out of Level 3 (for example, transfers due to changes in the observability of significant inputs) by class of liability.
Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef