Summary of Significant Accounting Policies - Assumptions Used in Estimating the Fair Value of the Warrants (Details) - Warrant	Jun. 28, 2010
Fair Value, Estimate Not Practicable, Financial Statement Captions [Line Items]
Expected volatility	79.70%
Risk-free interest rate	1.80%
Minimum
Fair Value, Estimate Not Practicable, Financial Statement Captions [Line Items]
Expected life (in years)	3 years 9 months 18 days
Maximum
Fair Value, Estimate Not Practicable, Financial Statement Captions [Line Items]
Expected life (in years)	4 years 1 month 6 days

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

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

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- Definition

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

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- 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.

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