Fair Value Measurement (Details 2) (Fair Value, Inputs, Level 3 [Member], USD $)	12 Months Ended
Dec. 31, 2014
February 6, 2014 [Member]
Fair value of common stock	$ 0.44
Dividend yield (per share)	$ 0.00
Strike price	$ 1.00
Expected volatility	74.00%
Risk-free interest rate	0.66%
Expected life (in years)	3 years
Mar 31, 2014 [Member]
Fair value of common stock	$ 0.32
Dividend yield (per share)	$ 0.00
Strike price	$ 1.00
Expected volatility	74.00%
Risk-free interest rate	0.93%
Expected life (in years)	2 years 10 months 24 days
June 30, 2014 [Member]
Fair value of common stock	$ 0.17
Dividend yield (per share)	$ 0.00
Strike price	$ 1.00
Expected volatility	71.00%
Risk-free interest rate	0.88%
Expected life (in years)	2 years 8 months 12 days

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=36462937&loc=d3e19207-110258

+ Details

Name:	us-gaap_FairValueAssumptionsExercisePrice
Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount of dividends expected to be paid to holders of the underlying shares or contracted instruments over the term of the instruments life.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
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

Name:	us-gaap_FairValueAssumptionsExpectedTerm
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
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
Namespace Prefix:	us-gaap_
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
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

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

+ References

No definition available.

+ Details

Name:	us-gaap_SharePrice
Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant