Variables used in Lattice Option Pricing Model for Derivative Liabilities (Detail) (USD $)	1 Months Ended
Nov. 08, 2012	Sep. 30, 2012	Jul. 25, 2012
Fair Value Measurements [Line Items]
Market value of common stock on measurement date	$ 1.96	$ 2.70	$ 2.56
Projected exercise price	$ 4.56	$ 4.52	$ 5.00
Risk free interest rate	0.72%	0.56%	0.56%
Warrant lives in years	4 years 8 months 16 days	4 years 10 months 17 days	5 years
Expected volatility	194.00%	193.00%	193.00%
Expected dividend yield	0.00%	0.00%	0.00%
Minimum
Fair Value Measurements [Line Items]
Offering price range	$ 2.56	$ 2.72	$ 2.56
Maximum
Fair Value Measurements [Line Items]
Offering price range	$ 6.56	$ 6.72	$ 6.56

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Financial Instrument, Fair Value Assumptions, Common Stock Price

+ References

No definition available.

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- Definition

Public Offering Price For Common Stock

+ References

No definition available.

+ 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

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- Definition

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

+ References

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