Stock-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2015

Workers Compensation Discount [Abstract]

Summary of share-based compensation activity

Common stock option and restricted stock award activity under the Plan was as follows:

			Options and RSAs Outstanding
					Weighted Average
	Shares Available				Exercise Price Per
	for Grant		Number of Shares		Share
Balance at December 31, 2014		689,529		2,417,918	$	2.59
Options Granted		(1,908,661)		1,908,661	$	1.02
Options Forfeited		619,864		(619,864)	$	1.14
Options Expired		60,091		(60,091)	$	2.27
Options Cancelled		1,432,661		(1,432,661)	$	2.73
Restricted Stock Granted		(394,267)		394,267	$	0.39
Restricted Stock Vested		-		(394,267)	$	0.39
Balance at June 30, 2015		499,217		2,213,963	$	1.56
Total vested and expected to vest shares (options)				2,213,963	$	1.56
Total vested shares (options)				948,833	$	2.33

Outstanding options

The following table summarizes information with respect to stock options outstanding at June 30, 2015:

Options Outstanding								Options Vested
				Weighted-
				Average		Weighted-				Weighted-
Exercise				Remaining		Average				Average
Price Per		Shares		Contractual		Exercise		Shares		Exercise
Share		Outstanding		Life (Years)		Price		Exercisable		Price Per
$	0.56		25,000		1.84	$	0.56		25,000	$	0.56
$	0.69		326,000		9.58	$	0.69		-	$	-
$	0.77		150,000		9.43	$	0.77		25,000	$	0.77
$	1.14		990,818		8.33	$	1.14		176,738	$	1.14
$	2.05		17,800		9.09	$	2.05		17,800	$	2.05
$	2.27		525,628		8.45	$	2.27		525,628	$	2.27
$	3.04		123,717		1.11	$	3.04		123,717	$	3.04
$	3.85		40,000		7.60	$	3.85		40,000	$	3.85
$	14.30		15,000		0.96	$	14.30		15,000	$	14.30
			2,213,963		8.08	$	1.56		948,883	$	2.33

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions

The fair value of employee stock options granted was estimated using the following weighted-average assumptions for the six months ended June 30, 2015:

	2015
Expected volatility		64	%
Risk free rate		1.48	%
Dividend yield		0	%
Expected term (in years)		6.06

Schedule Of Stock Based Compensation Of Employees And Non Employees

Stock-based compensation for employees and non-employees related to options and RSAs recognized:

	For the three months ended June 30				For the six months ended June 30
	2015		2014		2015		2014
General and administrative	$	124,627	$	865,922	$	596,901	$	1,861,654