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Redeemable Convertible Preferred Stock (Tables)

12 Months Ended

Dec. 31, 2013

Preferred Stock and Warrants Calculated Using the Black Scholes Merton Pricing Model

The preferred stock and warrants were issued for a total of $5.0 million. This amount was allocated to the preferred stock and warrants based on their relative fair values. The fair value of the warrants was calculated using the Black Scholes-Merton pricing model using the following weighted average assumptions:

Number of warrants		325,000
Exercise price	$	6.62
Expected volatility of underlying stock		74	%
Risk-free interest rate		1.62	%
Dividend yield		0	%
Expected life of warrants		8 years
Weighted-average fair value of warrants	$	3.11
Expiration date		May 2, 2020

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- Definition

Tabular disclosure of the significant assumptions used during the year to estimate the fair value of employee stock purchase plans, including, but not limited to: (a) expected term, (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

+ Details

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