Stock-Based Compensation (Tables)

6 Months Ended

Jun. 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
Restricted awards granted		(54,054)		54,054
Restricted awards vested				(54,054)
Options expired		5,517		(7,017)	$	34.73
Balance at June 30, 2016		425,992		209,772	$	4.75
Total vested and expected to vest shares (options)				209,772	$	4.75
Total vested shares (options)				86,859	$	7.08

Outstanding options

The following table summarizes information with respect to stock options outstanding at June 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
$	3.10		182,528		9.30	$	3.10		59,615	$	3.10
$	5.60		2,500		0.83	$	5.60		2,500	$	5.60
$	11.40		17,674		0.83	$	11.40		17,674	$	11.40
$	30.40		7,070		0.83	$	30.40		7,070	$	30.40
			209,772		8.20	$	4.75		86,859	$	7.08

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, 2016 and 2015:

	2016		2015
Expected volatility		n/a		64.00	%
Risk free rate		n/a		1.48	%
Dividend yield		n/a		0.00	%
Expected term (in years)		n/a		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
	2016		2015		2016		2015
General and administrative	$	263,098	$	124,627	$	393,456	$	596,901