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

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

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

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- Definition

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

+ References

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- Definition

Price of a single share of a number of saleable stocks of a company.

+ References

No definition available.

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Fair Value Measurements - Fair Value Inputs (Details) - $ / shares			12 Months Ended
	Aug. 31, 2015	Nov. 23, 2014	Dec. 31, 2017	Dec. 31, 2016	Jun. 30, 2017	Mar. 31, 2017
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Expected volatility rate		70.00%		73.00%
Share Price			$ 5.325		$ 3.74	$ 3.74
Expected term		4 years	7 years
Warrant liability
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Expected volatility rate		9.20%
Embedded derivative liabilities
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Expected volatility rate	70.00%
Embedded derivative liabilities \| Minimum
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Expected term	1 month 6 days
Embedded derivative liabilities \| Maximum
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Expected term	2 months 12 days