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Stockholders' Deficit (Tables)

3 Months Ended

Mar. 31, 2013

Stockholders' Deficit [Abstract]

Stock options valuation assumptions

		March 31, 2013		March 31, 2012
Risk-free interest rate		.41-.63%		.41-.67%
Expected volatility of common stock		64.04-68.26%		69.83-71.63%
Dividend yield		0%		0%
Expected life of options		3.0-4.1 years		3.0-4.1 years

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- Definition

Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (f)(2)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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