Fair Value Measurement (Narrative) (Details)	3 Months Ended
Mar. 31, 2013
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Stipulation of settlement, payment to plaintiff, warrants	250,000
Expected volatility rate	55.00%
Risk free interest rate	0.70%
Stipulation of settlement, payment to plaintiff, warrants, term	5 years
Warrants, fair value per share	4.90

Class of Warrant or Right, Fair Value Per Share

No definition available.

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- Definition

Stipulation of Settlement, Provision, Payment Amount, Warrants

+ References

No definition available.

+ Details

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- Definition

Stipulation of Settlement, Provision, Payment Amount, Warrants, Term

+ References

No definition available.

+ Details

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- Details

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- Definition

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

+ 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 (e)

-URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19207-110258

+ Details

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- Definition

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

+ References

+ Details

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