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Equity (Tables)

6 Months Ended

Jun. 30, 2015

Equity [Abstract]

Summary of Stock Option Activity

A summary of stock option activity for the six months ended June 30, 2015 is as follows:

		Number of Options (in shares)				Weighted Average Exercise Price Per Share				Weighted Average Remaining Contractual Life				Aggregate Intrinsic Value
Outstanding at December 31, 2014			1,812,428			$	4.51
Granted			662,654			$	0.77
Exercised			—				—
Forfeited or expired			(95,164	)		$	3.19
Outstanding at June 30, 2015			2,379,918			$	3.52				5.6 years			$	—
Exercisable at June 30, 2015			1,322,330			$	5.01				3.8 years			$	—

Schedule of Fair Value Assumptions Estimated Using Black-Scholes Pricing Model

The fair value of the options granted ($0.52 per option during the six months ended June 30, 2015) was estimated on the grant dates using the Black-Scholes option-pricing model with the following weighted average assumptions:

Risk-free interest rate			2.1	%
Expected term of options			8.7 years
Expected annual volatility			63	%
Expected dividend yield			—%

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- References

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- Definition

Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for share options (or share units) that were outstanding at the beginning and end of the year, vested and expected to vest, exercisable or convertible at the end of the year, and the number of share options or share units that were granted, exercised or converted, forfeited, and expired during the year.

+ 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 (c)(1)



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

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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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