Convertible Preferred Stock, Common Stock and Warrants (Detail 1) (USD $)	0 Months Ended	12 Months Ended
Jul. 08, 2014	Dec. 31, 2014
Fair Value Disclosures [Abstract]
Expected life of options, in years	4 years 10 months 24 days	4 years 4 months 10 days
Market price for common stock	$ 11.60us-gaap_SharePrice	$ 1.82us-gaap_SharePrice
Warrant exercise price, adjusted	$ 26.64	$ 1.80

Agreed upon price for the exchange of the underlying asset.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (e)

-URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258

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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

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- Details

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- Definition

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

+ References

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