Fair Value Measurements - Summary of changes in fair value of the Company's derivative liability measured at fair value using significant unobservable inputs (Level 3) (Details) - Derivative [Member] - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
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Jun. 30, 2019 |
Jun. 30, 2018 |
Jun. 30, 2019 |
Jun. 30, 2018 |
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| Beginning balance | $ 0 | $ 22,959 | $ 0 | $ 20,832 |
| Additions | 216 | 245 | 216 | 1,558 |
| Change in fair value | 171 | 2,572 | 171 | 3,386 |
| Ending balance | $ 387 | $ 25,776 | $ 387 | $ 25,776 |
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- Definition Amount of increase (decrease) 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 purchases 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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- Details
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