Fair Value Measurements - Summary of Changes in Fair Value of Level 3 Financial Liabilities (Details)	9 Months Ended
Sep. 30, 2018 USD ($)
Balance at beginning of period	$ 19,574,977
Issues
Reclassifications	(16,984,616)
Settlements
Revaluation	(2,590,361)
Balance at end of period
Fair Value, Measurements, Recurring [Member] \| Warrants Issued August 2013 [Member]
Balance at beginning of period	5,746
Issues
Reclassifications
Settlements
Revaluation	(5,746)
Balance at end of period
Fair Value, Measurements, Recurring [Member] \| Warrants Issued September 2016 [Member]
Balance at beginning of period	19,569,231
Issues
Reclassifications	(16,984,616)
Settlements
Revaluation	(2,584,615)
Balance at end of period

Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Revaluations.

No definition available.

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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.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)
-URI http://asc.fasb.org/extlink&oid=99377789&loc=d3e19207-110258

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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.

+ References

+ Details

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- Definition

Amount of transfers of financial instrument classified as a liability into (out of) level 3 of the fair value hierarchy.

+ References

No definition available.

+ Details

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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.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=99377789&loc=d3e19207-110258

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