Class of Warrant or Right, Period from which Warrants or Rights are Exercisable

No definition available.

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- Definition

Noncash expense, not otherwise specified in the taxonomy, charged against earnings in the period to adjust the fair market value of liability classified warrants to purchase common stock.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Exercise price per share or per unit of warrants or rights outstanding.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(i)(4))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

+ Details

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Period Type:	instant

- 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.

+ References

No definition available.

+ Details

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Balance Type:	na
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- Definition

Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(i)(2))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

+ Details

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- Definition

Expected dividends to be paid to holders of the underlying shares or financial instruments (expressed as a percentage of the share or instrument's price).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (bbb)
-URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258

+ Details

Name:	us-gaap_FairValueAssumptionsExpectedDividendRate
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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Period the instrument, asset or liability is expected to be outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

+ Details

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Period Type:	duration

- Definition

Measure of dispersion, in percentage terms (for instance, the standard deviation or variance), for a given stock price.

+ References

+ Details

Name:	us-gaap_FairValueAssumptionsExpectedVolatilityRate
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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Risk-free interest rate assumption used in valuing an instrument.

+ References

+ Details

Name:	us-gaap_FairValueAssumptionsRiskFreeInterestRate
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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Value of outstanding derivative securities that permit the holder the right to purchase securities (usually equity) from the issuer at a specified price.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(i))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Details

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- Details

Name:	us-gaap_ClassOfWarrantOrRightAxis=us-gaap_WarrantMember
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Data Type:	na
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- Details

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- Details

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Period Type:

Financial Instruments (Details) - USD ($) $ / shares in Units, shares in Millions		3 Months Ended
	Sep. 02, 2016	Mar. 31, 2018	Mar. 31, 2017	Dec. 31, 2017
Class of Warrant or Right [Line Items]
Exercise price of warrants to purchase common stock	$ 2.29
Fair value of warrant		$ 14,769,276		$ 11,466,162
Increase in fair value of warrant liability		$ (3,303,114)	$ (626,209)
Warrants
Class of Warrant or Right [Line Items]
Warrants to purchase common stock	4.0
Exercise price of warrants to purchase common stock	$ 1.50
Exercisable period for warrants (in years)	10 years
Warrants
Class of Warrant or Right [Line Items]
Expected term (in years)		8 years 5 months 1 day
Subscription Right \| Warrants
Class of Warrant or Right [Line Items]
Exercise price of warrants to purchase common stock	$ 1.50
Warrants
Class of Warrant or Right [Line Items]
Fair value of warrant	$ 5,800,000	$ 14,800,000
Risk free interest rate (as a percent)	1.60%	2.72%
Expected dividend rate (as a percent)	0.00%	0.00%
Expected term (in years)	10 years
Expected volatility rate (as a percent)		75.00%
Increase in fair value of warrant liability		$ (3,300,000)	$ 600,000