Stock-Based Compensation (Tables)

9 Months Ended

Sep. 30, 2017

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

Summary of Stock Options Outstanding

The following table summarizes stock options outstanding and changes for the nine-month periods ending September 30, 2017 and 2016:

	Sep 30,					Sep 30,
	2017					2016
	Number of Stock Options			Weighted Average Exercise Price		Number of Stock Options			Weighted Average Exercise Price
Stock options outstanding at beginning of period		110,828		$	18.24		326,424		$	24.90
Granted		189,164			1.40		-			-
Expired		(6,001	)		104.67		(215,346	)		27.64
Stock options outstanding at end of period		293,991		$	5.64		111,078		$	19.60
Stock options exercisable at end of period		104,722		$	13.26		110,869		$	19.57

Summary of Stock Options Outstanding and Exercisable by Stock Option Plan

The following table summarizes stock options outstanding and exercisable by stock option plan at September 30, 2017:

	Outstanding Stock Options			Exercisable Stock Options
Stock Option Plan	Number of Outstanding Stock Options		Weighted Average Exercise  Price	Number of Exercisable Stock Options		Weighted Average Exercise  Price
2004 Plan	4,792	$	35.14	4,792	$	35.14
2004 Directors’ Plan	973		317.14	973		317.14
2013 Plan	189,581		1.48	312		35.88
Replacement Stock Options	98,645		9.13	98,645		9.13
	293,991	$	5.64	104,722	$	13.26

Summary of Status of Non-vested Restricted Shares

The following table summarizes RSU activity for the nine-month periods ended September 30, 2017 and 2016:

	Sep 30,					Sep 30,
	2017					2016
	Number of RSUs			Weighted-Average Grant Date Fair Value		Number of RSUs			Weighted-Average Grant Date Fair Value
Unvested RSUs at beginning of period		8,649		$	43.71		32,699		$	34.25
Granted		304,064			1.40		-			-
Forfeited		-			-		(3,334	)		32.21
Vested		(39,340	)		4.16		(7,698	)		29.45
Unvested RSUs at end of period		273,373		$	1.95		21,667		$	36.27