Stock Options (Tables)

9 Months Ended

Sep. 30, 2013

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

Assumptions in Determining Fair Value Options Granted

The assumptions used principally in determining the fair value of options granted were as follows:

	September 30, 2013
Risk-free interest rate		1.58	%
Expected dividend yield		0	%
Expected term		7.31
Expected volatility		95.19	%

Summary of Option Activity and Changes

A summary of option activity as of September 30, 2013 and changes for the period then ended are presented below:

Options	Shares			Weighted Average Exercise Price		Weighted Average Remaining Contractual Term in Years		Aggregate Intrinsic Value
Outstanding at December 31, 2012		8,648,268		$	1.29
Granted		1,395,000		$	2.71
Forfeited		(2,065,294	)	$	1.73
Exercised		(574,120	)	$	0.79
Outstanding at September 30, 2013		7,403,854		$	1.47		7.07	$	3,795,072
Vested at September 30, 2013		4,252,351		$	0.90		5.82	$	3,558,913