Stock-Based Compensation and Plans (Tables)

12 Months Ended

Dec. 31, 2015

Schedule of Share-based Compensation, Stock Options, Activity

Option activity under the Plan for the year ended December 31, 2015, was as follows:

					Weighted
			Weighted-		Average
			Average		Remaining		Aggregate
			Exercise		Contractual		Intrinsic
	Options		Price		Term		Value
					(In years)
Year Ended December 31, 2015
Outstanding at December 31, 2014		5,427,778	$	1.03		6.0	$	8,829,412
Granted		349,000		1.46		9.3
Exercised		-		-
Forfeited/expired		(25,000)		2.71
Outstanding at December 31, 2015		5,751,778	$	1.05		5.3	$	1,972,395
Vested and expected to vest December 31, 2015		5,665,871	$	1.04		5.2	$	1,971,858
Exercisable at December 31, 2015		5,078,611	$	1.00		4.9	$	1,838,928

Option activity under the Plan for the year ended December 31, 2014, was as follows:

					Weighted
			Weighted-		Average
			Average		Remaining		Aggregate
			Exercise		Contractual		Intrinsic
	Options		Price		Term		Value
					(In years)
Year Ended December 31, 2014
Outstanding at December 31, 2013		6,032,188	$	0.90		6.8	$	18,671,745
Granted		325,000		2.57		9.4
Exercised		(525,000)		0.83
Forfeited/expired		(404,410)		0.68
Outstanding at December 31, 2014		5,427,778	$	1.03		6.0	$	8,829,412
Vested and expected to vest December 31, 2014		5,427,778	$	1.03		6.0	$	8,829,412
Exercisable at December 31, 2014		4,734,861	$	0.99		5.6	$	7,930,757

Option activity under the Plan for the year ended December 31, 2013, was as follows:

					Weighted
			Weighted-		Average
			Average		Remaining		Aggregate
			Exercise		Contractual		Intrinsic
	Options		Price		Term		Value
					(In years)
Year Ended December 31, 2013
Outstanding at December 31, 2012		3,482,188	$	1.22		5.8	$	5,339
Granted		2,550,000	$	0.48		9.6
Exercised		-		-
Forfeited/expired		-		-
Outstanding at December 31, 2013		6,032,188	$	0.90		6.8	$	18,671,745
Vested and expected to vest December 31, 2013		6,032,188	$	0.90		6.8	$	18,671,745
Exercisable at December 31, 2013		4,848,298	$	1.0535		6.2	$	14,824,475

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

A summary of options outstanding and exercisable as of December 31, 2015:

		Options Outstanding						Options Exercisable
				Weighted
				Average		Weighted				Weighted
Range of		Number		Remaining		Average		Number		Average
Exercise Prices		Outstanding		Contractual Life		Exercise Price		Exercisable		Exercise Price
				(Years)
$	0.00-1.00		2,617,778		6.9	$	0.50		2,451,111	$	0.50
$	1.01-2.00		2,899,000		3.7	$	1.42		2,550,000	$	1.41
$	2.01-3.00		210,000		8.4	$	2.43		52,500	$	2.43
$	3.01-4.30		25,000		8.1	$	4.30		25,000	$	4.30
			5,751,778		5.3	$	1.05		5,078,611	$	1.00

Warrant [Member]

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

For stock option and compensation-based warrants granted during 2015, 2014 and 2013 the following weighted average assumptions were used in determining fair value:

	2015			2014			2013
Risk-free interest rate		1.65	%		2.12	%		1.58	%
Expected volatility		138	%		174	%		189	%
Expected term in years		6.1			6.7			5.8
Dividend yield		-	%		-	%		-	%

Schedule of Share-based Compensation, Stock Options, Activity

Warrant activity under the Plan for the year ended December 31, 2015, was as follows:

					Weighted
			Weighted-		Average
			Average		Remaining		Aggregate
			Exercise		Contractual		Intrinsic
	Warrants		Price		Term		Value
					(In years)
Year Ended December 31, 2015
Outstanding at December 31, 2014		10,000	$	0.90		3.3	$	17,600
Granted		-		-
Exercised		-		-
Forfeited/expired		-		-
Outstanding at December 31, 2015		10,000	$	0.90		2.3	$	3,500
Vested and expected to vest December 31, 2015		10,000	$	0.90		2.3	$	3,500
Exercisable at December 31, 2015		10,000	$	0.90		2.3	$	3,500

Warrant activity under the Plan for the year ended December 31, 2014, was as follows:

					Weighted
			Weighted-		Average
			Average		Remaining		Aggregate
			Exercise		Contractual		Intrinsic
	Warrants		Price		Term		Value
					(In years)
Year Ended December 31, 2014
Outstanding at December 31, 2013		10,000	$	0.90		4.3	$	31,000
Granted		-		-
Exercised		-		-
Forfeited/expired		-		-
Outstanding at December 31, 2014		10,000	$	0.90		3.3	$	17,600
Vested and expected to vest December 31, 2014		10,000	$	0.90		3.3	$	17,600
Exercisable at December 31, 2014		10,000	$	0.90		3.3	$	17,600

Warrant activity under the Plan for the year ended December 31, 2013, was as follows:

					Weighted
			Weighted-		Average
			Average		Remaining		Aggregate
			Exercise		Contractual		Intrinsic
	Warrants		Price		Term		Value
					(In years)
Year Ended December 31, 2013
Outstanding at December 31, 2012		85,620	$	0.90		0.9	$	-
Granted		-		-
Exercised		-		-
Forfeited/expired		(75,620)		0.90
Outstanding at December 31, 2013		10,000	$	0.90		4.3	$	31,000
Vested and expected to vest December 31, 2013		10,000	$	0.90		4.3	$	31,000
Exercisable at December 31, 2013		10,000	$	0.90		4.3	$	31,000

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

A summary of warrants outstanding and exercisable as of December 31, 2015:

		Warrants Outstanding						Warrants Exercisable
				Weighted
				Average		Weighted				Weighted
		Number		Remaining		Average		Number		Average
Exercise Price		Outstanding		Contractual Life		Exercise Price		Exercisable		Exercise Price
				(Years)
$	0.90		10,000		2.3	$	0.90		10,000	$	0.90
			10,000		2.3	$	0.90		10,000	$	0.90