Stock-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2016

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Schedule of Share-based Compensation, Stock Options, Activity

The following is a summary of stock option activity during the years ended December 31, 2016 and 2015:

	Number of Options Outstanding	Weighted Average Exercise Price		Average Remaining Contractual Life (in years)	Aggregate Intrinsic Value (thousands)
Outstanding – December 31, 2014	1,430,559	$	1.84
Options granted	182,500	1.47
Options exercised	32,227	2.09
Options forfeited	70,000	2.61
Outstanding – December 31, 2015	1,510,832	1.63
Options granted	295,001	1.12
Options exercised	67,000	0.76
Options forfeited	131,486	0.97
Outstanding – December 31, 2016	1,607,347	$	0.83	7.07	$	—
Exercisable – December 31, 2016	1,229,704	$	0.77	6.48	$	—
Exercisable – December 31, 2015	1,198,204	$	1.63	6.73	$	—

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

For the years ended December 31, 2016 and 2015, the assumptions used in the Black-Scholes option pricing model, which was used to estimate the grant date fair value per option, were as follows:

	2016			2015
	Employee Grants			Employee Grants			Non-Employee Grants
Weighted-average Black-Scholes option pricing model assumptions:
Volatility	148.68		%	90.99		%	61.10		%
Expected term (in years)	7			6			6
Risk-free rate	1.26		%	1.49		%	0.71		%
Expected dividend yield	0.0		%	0.0		%	0.0		%
Weighted average grant date fair value per share	$	1.15		$	1.47		$	1.44

Schedule of Share-based Compensation, Restricted Stock Units Award Activity

The following is a summary of non-vested RSUs award activity for the year ended December 31, 2016 and 2015:

	2016			2015
	Number of Shares	Weighted Average Grant Date Fair Value		Number of Shares	Weighted Average Grant Date Fair Value
Non-vested	408,710	$	2.66	374,504	$	5.08
Shares granted	200,000	1.20		240,000	2.29
Shares vested	395,117	1.99		160,286	1.58
Shares forfeited	28,333	1.74		45,508	4.10
Non-vested	185,260	$	2.67	408,710	$	2.66