Mandatorily Redeemable Convertible Preferred Stock (Details) (USD $)	9 Months Ended
Sep. 30, 2012
Preferred stock and warrants calculated using the Black Scholes Merton pricing model
Expiration date	May 02, 2020
Maximum [Member]
Preferred stock and warrants calculated using the Black Scholes Merton pricing model
Number of warrants	200,000
Exercise price	7.00
Expected volatility of underlying stock	74.00%
Risk-free interest rate	1.70%
Dividend yield	0.00%
Expected life of warrants	8 years
Weighted-average fair value of warrants	3.17
Minimum [Member]
Preferred stock and warrants calculated using the Black Scholes Merton pricing model
Number of warrants	125,000
Exercise price	6.00
Expected volatility of underlying stock	74.00%
Risk-free interest rate	1.50%
Dividend yield	0.00%
Expected life of warrants	8 years
Weighted-average fair value of warrants	3.07

Expiration date of warrants.

No definition available.

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- Definition

Weighted-average fair value of warrants.

+ References

No definition available.

+ Details

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- Definition

The specified number of securities that each class of warrants or rights outstanding give the holder the right but not the obligation to purchase from the issuer at a specific price, on or before a certain date.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.4-08.(i)(2))

-URI http://asc.fasb.org/extlink&oid=6881521&loc=d3e23780-122690

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 08

-Paragraph i

-Subparagraph 2

-Article 4

+ Details

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- Definition

Agreed upon price for the exchange of the underlying asset.

+ 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

Expected dividends to be paid to holders of the underlying shares or financial instruments (expressed as a percentage of the share or instrument's price).

+ References

+ Details

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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

+ 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

+ Details

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- Definition

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

+ References

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