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Stockholders' Equity (Tables)

12 Months Ended

Dec. 31, 2015

Stockholders' Equity Note [Abstract]

Schedule of Warrant Activity

The following is a summary with respect to warrants outstanding and exercisable at December 31, 2015 and 2014 and activity during the years then ended:

		2015								2014
						Weighted								Weighted
						Average								Average
						Exercise								Exercise
		Warrants				Price				Warrants				Price
Outstanding January 1			6,566,385			$	4.70				6,875,586			$	4.64
Granted during the year			1,090,911				0.40				100,000				1.56
Exercised/transferred			-				-				(80,645	)			3.10
Lapsed/terminated			(207,235	)			3.52				(328,556	)			2.91
Outstanding at December 31			7,450,061			$	4.10				6,566,385			$	4.70
Exercisable at December 31			6,359,150			$	4.10				6,535,274			$	4.71
Weighted average months remaining							34.3								40.0

Summary of Stock Option Activity Under Stock Option and Incentive Plans

The following is a summary with respect to options outstanding at December 31, 2015 and 2014 and activity during the years then ended:

		2015												2014
		Number of Options				Weighted Average Exercise Price				Weighted Average Life Remaining				Number of Options				Weighted Average Exercise Price				Weighted Average Life Remaining
										(in years)												(in years)
Outstanding at January 1:			4,928,291				2.92								4,073,898				3.25
Granted			53,550				0.60								1,172,197				1.96
Exercised			-				-								-				-
Lapsed/terminated			(557,282	)			2.95								(317,804	)			3.56
Outstanding at December 31:			4,424,559				2.89				4.0				4,928,291				2.92				4.0
Exercisable at December 31:			3,628,495				2.77				4.6				2,806,696				2.94				5.0
Expected to vest at December 31:			346,064				2.00				3.2				1,660,169				2.46				5.8
Aggregate intrinsic value of outstanding options at December 31:		$	-											$	-
Aggregate intrinsic value of exercisable options at December 31:		$	-											$	-
Aggregate intrinsic value of options expected to vest at December 31:		$	-											$	-

Schedule of Assumptions Used to Compute the Share-based Compensation Expense for Stock Options and Warrants

The following table shows our weighted average assumptions used to compute the share-based compensation expense for stock options and warrants granted during the years ended December 31, 2015 and 2014:

		2015				2014
Volatility			72.6	%			67.1	%
Expected option term			2.9 years				3.5 years
Risk-free interest rate			1.7	%			0.9	%
Expected forfeiture rate			0.0	%			0.0	%
Expected dividend yield			0.0	%			0.0	%

Summary of Restricted Stock

The following is a summary of activity of restricted stock during the years ended at December 31, 2015 and 2014:

		Shares				Weighted- average Grant Date Fair Value
Restricted shares outstanding, December 31, 2013			41,176			$	3.33
Restricted shares granted			243,750				0.48
Restricted shares vested			(20,588	)			3.33
Restricted shares outstanding, December 31, 2014			264,338			$	0.70
Restricted shares granted			155,000				0.25
Restricted shares vested			(359,338	)			0.59
Restricted shares outstanding, December 31, 2015			60,000			$	0.22

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- Definition

Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for share options (or share units) that were outstanding at the beginning and end of the year, vested and expected to vest, exercisable or convertible at the end of the year, and the number of share options or share units that were granted, exercised or converted, forfeited, and expired during the year.

+ 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)(1)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions.

+ 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=6415400&loc=d3e5070-113901

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Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year.

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- Definition

Tabular disclosure of warrants or rights issued. Warrants and rights outstanding are derivative securities that give the holder the right to purchase securities (usually equity) from the issuer at a specific price within a certain time frame. Warrants are often included in a new debt issue to entice investors by a higher return potential. The main difference between warrants and call options is that warrants are issued and guaranteed by the company, whereas options are exchange instruments and are not issued by the company. Also, the lifetime of a warrant is often measured in years, while the lifetime of a typical option is measured in months. Disclose the title of issue of securities called for by warrants and rights outstanding, the aggregate amount of securities called for by warrants and rights outstanding, the date from which the warrants or rights are exercisable, and the price at which the warrant or right is exercisable.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(i))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 50
-Section S99
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6784392&loc=d3e188667-122775

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 50
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=51659978&loc=d3e25284-112666

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 28
-Article 5

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