13. Equity (Detail) - (Table 7) Table of Assumptions Estimating the Fair Value of Warrants	12 Months Ended
Dec. 31, 2012	Dec. 31, 2011
Expected dividend yield	0.00%	0.00%
Expected term (in years)	2.0 - 3.0	0.0 - 4.0
Expected volatility	70.00%	70.00%

Expected term assumption in a fair value measurement in range of years.

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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

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

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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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