Fair Value Measurements - Summary of Changes in Fair Value of Convertible Preferred Stock Warrant Liability and Contingent Consideration (Details) - Fair Value Measurements Recurring - Level 3 - Convertible Preferred Stock Warrant Liability - USD ($) $ in Thousands |
12 Months Ended | ||
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Dec. 31, 2018 |
Dec. 31, 2017 |
Dec. 31, 2016 |
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Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | |||
Beginning balance, fair value | $ 0 | $ 1,875 | $ 1,351 |
Issuance of convertible preferred stock warrants | 111 | ||
Change in fair value recorded in other expense, net | 3,725 | 524 | |
Reclassification of unexercised warrant into additional paid-in capital upon the IPO | (5,711) | ||
Contingent consideration | 750 | ||
Ending balance, fair value | $ 750 | $ 0 | $ 1,875 |
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- Definition Amount of increase (decrease) in the value of a contingent consideration liability, including, but not limited to, differences arising upon settlement. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition Amount of gain (loss) recognized on the income statement for financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of issuances of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of settlements of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Fair value of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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