v3.8.0.1

Stockholders' Equity (Tables)

12 Months Ended

Dec. 31, 2017

Schedule of Nonvested Share Activity [Table Text Block]

A summary of restricted stock award activity during the year ended December 31, 2017 and 2016 is presented below (in thousands, except per share data):

		Number of Shares			Weighted  Average  Grant Date  Fair Value Per  Share			Total Grant  Date Fair  Value
Non-vested, December 31, 2015			69		$	61.10		$	4,226
Granted			103			10.50			1,076
Vested			(24)			60.00			(1,428)
Forfeited			(1)			14.60			(12)
Non-vested, December 31, 2016			147		$	26.26		$	3,862
Granted			182			3.41			621
Vested			(137)			17.35			2,373
Forfeited			(2)			3.87			-
Non-vested, December 31, 2017			190		$	11.07		$	6,856

Warrant [Member]

Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table Text Block]

The following table presents information related to warrants at December 31, 2017 (in thousands, except years and per warrant data):

Warrants Outstanding					Warrants Exercisable
Exercise Price		Outstanding  Number of  Warrants			Weighted  Average  Remaining  Life in  Years			Exercisable  Number of  Warrants
$4.0 - $21.80			233			4.1			233
$40.00 - $49.99			98			0.5			98
$50.00 - $59.90			104			0.9			104
$60.00 - $105.00			43			1.3			43
			478			2.4			478

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]

In applying the Black-Scholes option pricing model to stock options granted, the Company used the following assumptions:

		Year Ended December 31,
		2017		2016
Risk free interest rate		1.81% - 2.43%		1.14% - 2.06%
Expected term (years)		5.04 – 6.50		5.04 – 6.50
Expected volatility		81.94% - 87.00%		89.53% - 89.95%
Expected dividends		0.00%		0.00%

Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]

A summary of the warrant activity during the year ended December 31, 2017 and 2016 is presented below (in thousands, except years and per warrant data):

		Number of Warrants			Weighted  Average  Exercise  Price per  Warrant			Weighted  Average  Remaining  Life in  Years			Intrinsic Value
Outstanding, December 31, 2015			338		$	57.00
Issued			-			-
Exercised			-			-
Cancelled			(1)			87.50
Outstanding, December 31, 2016			337		$	56.90					$	-
Issued			159			4.66
Adjustment for price reset			29
Exercised			-			-
Cancelled			(47)			9.35
Outstanding, December 31, 2017			478		$	32.79			2.4		$	-
Exercisable, December 31, 2017			478		$	32.79			2.4		$	-

Employee Stock Option [Member]

Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table Text Block]

The following table presents information related to stock options at December 31, 2017 (in thousands, except years and per option data):

		Options Outstanding						Options Exercisable
Range of Exercise Price		Weighted Average Exercise Price			Outstanding Number of Options			Weighted Average Exercise Price			Weighted Average  Remaining  Life in Years			Exercisable Number of Options
$2.00 - $4.00		$	3.52			222			3.57			8.9			68
$4.10 - $9.90			8.54			32			8.61			6.8			143
$10.00 - $19.90			10.58			80			10.59			7.6			28
$20.00 - $29.90			23.08			1			22.90			4.1			1
$30.00 - $39.90			33.72			47			33.72			5.6			45
$40.00 - $49.90			46.61			68			46.01			6.0			66
$50.00 - $59.90			52.99			51			53.20			5.5			39
$60.00 - $69.90			66.06			205			66.47			4.4			185
$70.00 - $79.90			77.54			3			77.54			6.3			3
$80.00 - $89.90			87.40			74			87.36			2.0			53
$90.00 - $99.90			90.04			21			90.04			3.5			21
$100.00 - $266.90			110.13			6			110.13			5.2			6
						810						5.6			658

Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]

A summary of the stock option activity during the years ended December 31, 2017 and 2016 is presented below (in thousands, except years and per option data):

		Number of Options			Weighted  Average  Exercise  Price per Option			Weighted  Average  Remaining  Life in  Years			Intrinsic Value
Outstanding, December 31, 2015			623		$	62.60
Granted			165			10.50
Exercised			-			-
Forfeited			(68)			39.50
Outstanding, December 31, 2016			720		$	52.90
Granted			258			3.53
Exercised			-			-
Forfeited			(168)			40.60
Outstanding, December 31, 2017			810		$	39.67			6.3		$	-
Exercisable, December 31, 2017			658		$	42.71			5.6		$	-

X

- Definition

Tabular disclosure of the changes in outstanding nonvested shares.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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Tabular disclosure of option exercise prices, by grouped ranges, including the upper and lower limits of the price range, the number of shares under option, weighted average exercise price and remaining contractual option terms.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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+ References

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (f)(2)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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