Stock-Based Compensation (Tables)

9 Months Ended

Sep. 30, 2016

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
	Shares Available for Grant		Number of Shares		Weighted Average Exercise Price Per Share
Balance at December 31, 2015		71,431		369,887	$	4.64
Authorized		250,000
Options forfeited		153,098		(153,098)	$	3.10
Options granted		(305,000)		305,000	$	1.41
Options expired		5,517		(7,017)	$	34.73
Balance at September 30, 2016		175,046		514,772	$	2.77
Total vested and expected to vest shares (options)				514,772	$	2.77
Total vested shares (options)				128,556	$	5.79

Outstanding options

The following table summarizes information with respect to stock options outstanding at September 30, 2016:

Options Outstanding								Options Vested
Exercise Price Per Share		Shares Outstanding		Weighted- Average Remaining Contractual Life (Years)		Weighted- Average Exercise Price		Shares Exercisable		Weighted- Average Exercise Price Per Share
$	1.41		305,000		9.81	$	1.41		-	$	-
$	3.10		182,528		9.05	$	3.10		101,312	$	3.10
$	5.60		2,500		0.58	$	5.60		2,500	$	5.60
$	11.40		17,674		0.58	$	11.40		17,674	$	11.40
$	30.40		7,070		0.58	$	30.40		7,070	$	30.40
			514,772		9.05	$	2.77		128,556	$	5.79

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 nine months ended September 30, 2016 and 2015:

	2016		2015
Expected volatility		68		64	%
Risk free rate		1.18		1.48	%
Dividend yield		0		0	%
Expected term (in years)		5.70		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 Sept. 30				For the nine months ended Sept. 30
	2016		2015		2016		2015
General and administrative	$	152,170	$	246,485	$	545,626	$	843,386