Fair Value Measurements (Details 3) - Derivative Liability [Member] - USD ($) |
12 Months Ended | |
|---|---|---|
Dec. 31, 2018 |
Dec. 31, 2017 |
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| Beginning balance | $ 20,832,000 | $ 0 |
| Additions | 7,886,125 | 13,058,000 |
| Write-off on extinguishment of convertible notes payable | 0 | (1,266,000) |
| Change in fair value | 14,293,963 | 9,040,000 |
| Reclassification to equity at initial public offering | (43,012,088) | 0 |
| Ending balance | $ 0 | $ 20,832,000 |
| X | ||||||||||
- 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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| X | ||||||||||
- 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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| X | ||||||||||
- 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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| X | ||||||||||
- Definition Amount of reclassification to equity at initial public offering 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. No definition available.
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| X | ||||||||||
- Definition Amount of Write-off on extinguishment of convertible notes payable No definition available.
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- Details
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