Stock-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2017

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

Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs

The components of stock-based compensation from continuing operations for the years ended December 31, 2017, 2016 and 2015 were as follows:

	For the Year Ended December 31,
	2017		2016		2015
Stock options	$	120	$	90	$	194
Restricted stock units	1,269		1,901		1,615
Total stock-based compensation expense	1,389		1,991		1,809
Tax benefit of stock-based compensation expense	—		—		(696		)
After-tax effect of stock based compensation	$	1,389	$	1,991	$	1,113

Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Method Used

Based on the results of the model, the weighted-average fair value of the stock options granted during the 12-month periods ended December 31, 2017, 2016 and 2015, respectively, were $0.68, $1.11 and $1.54 per share using the following weighted average assumptions:

	2017		2016		2015
Expected dividend yield	—	%	—	%	—	%
Risk-free interest rate	2.33	%	1.85	%	2.21	%
Expected volatility	61.2	%	62.3	%	51.6	%
Expected life of option	10.0 years		8.8 years		8.8 years

Schedule of Share-based Compensation, Stock Options, Activity

The following table presents a summary of our stock option activity and related information for the years ended December 31:

	2017				2016				2015
	Number of Options		Weighted- Average Exercise Price		Number of Options		Weighted- Average Exercise Price		Number of Options		Weighted- Average Exercise Price
Outstanding at beginning of year	1,039,750		$	8.39	1,191,125		$	10.48	1,546,500		$	11.62
Granted	176,000		0.96		81,000		1.58		126,000		2.44
Exercised	—		—		—		—		—		—
Expired or forfeited	(99,000	)	18.32		(232,375	)	16.72		(481,375	)	12.04
Outstanding at end of year	1,116,750		$	6.34	1,039,750		$	8.39	1,191,125		$	10.48
Exercisable at end of year	1,116,750		$	6.34	1,039,750		$	8.39	1,191,125		$	10.48
Weighted-average fair value of options granted during the year			$	0.68			$	1.11			$	1.54

The following table provides additional information regarding our stock option activity for the 12 months ended December 31, 2017:

	Number of Options		Weighted- Average Exercise Price		Weighted- Average Remaining Contractual Life	Aggregate Intrinsic Value
Outstanding on January 1, 2017	1,039,750		$	8.39
Granted	176,000		0.96
Exercised	—		—
Expired or forfeited	(99,000	)	18.32
Outstanding on December 31, 2017	1,116,750		$	6.34	4.8 years	$	27,280
Exercisable on December 31, 2017	1,116,750		$	6.34	4.8 years	$	27,280

Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range

The following table summarizes information about stock options outstanding at December 31, 2017:

Options Outstanding					Options Exercisable
Range of Exercise Prices	Number of Options	Weighted- Average Remaining Contractual  Life	Weighted- Average Exercise Price		Number of Options	Weighted- Average Exercise Price
$ 0.96 - $6.58	707,500	6.9 years	$	3.02	707,500	$	3.02
$ 6.59 - $11.59	319,250	1.6 years	9.68		319,250	9.68
$11.60 - $16.60	20,000	0.6 years	15.42		20,000	15.42
$16.61 - $21.70	15,000	0.2 years	17.82		15,000	17.82
$21.71 - $26.80	55,000	0.4 years	23.15		55,000	23.15
$ 0.96 - $26.80	1,116,750	4.8 years	$	6.34	1,116,750	$	6.34

Schedule of Nonvested Share Activity

Non-vested stock option activity for the 12 months ended December 31, 2017 was as follows:

	Non-Vested  Stock Options Outstanding		Weighted-Average Grant  Date Fair Value
Outstanding on January 1, 2017	—		$	—
Granted	176,000		0.68
Vested	(176,000	)	0.68
Forfeited	—		—
Outstanding on December 31, 2017	—		—

Schedule of Nonvested Restricted Stock Units Activity

A summary of restricted stock unit activity for the years ended December 31, 2017, 2016 and 2015 is as follows:

	Shares		Weighted Average Grant  Date Fair Value
Unvested restricted units at January 1, 2015	977,069		5.36
Granted	789,500		3.33
Forfeited	(209,748	)	4.62
Vested	(351,938	)	5.17
Unvested restricted stock units at December 31, 2015	1,204,883		4.21
Granted	845,862		1.88
Forfeited	(205,033	)	4.25
Vested	(381,916	)	4.36
Unvested restricted stock units at December 31, 2016	1,463,796		2.82
Granted	1,090,000		0.97
Forfeited	(213,001	)	2.99
Vested (1)	(981,633	)	2.85
Unvested restricted stock units at December 31, 2017	1,359,162		1.28

(1) The increase in shares vested in 2017 is due to the accelerated vesting of outstanding remaining restricted stock units approved by the Company's Board of Directors on June 28, 2017.