Fair Value Measurement (Details Textual) - $ / shares	6 Months Ended	12 Months Ended
Jun. 30, 2015	Dec. 31, 2014
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Expected term	4 years
Risk-free interest rate	1.26%
Stock Price	$ 0.38
Volatility	100.00%
Minimum [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Expected term	1 year 3 months 18 days
Risk-free interest rate	0.49%
Volatility	98.00%
Maximum [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Expected term	7 years
Risk-free interest rate	2.09%
Volatility	143.00%
Warrant [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Stock Price	$ 0.40	$ 0.25
Warrant [Member] \| Minimum [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Expected term	3 years 4 months 21 days	3 years 4 months 21 days
Risk-free interest rate	1.17%	1.17%
Volatility	98.00%	98.00%
Warrant [Member] \| Maximum [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Expected term	4 years 7 months 21 days	4 years 7 months 21 days
Risk-free interest rate	1.55%	1.55%
Volatility	107.30%	107.30%

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.

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_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

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

Name:	us-gaap_FairValueInputsAssetsQuantitativeInformationLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
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

- Details

Name:	us-gaap_RangeAxis=us-gaap_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RangeAxis=us-gaap_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FairValueByAssetClassAxis=us-gaap_WarrantMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: