Stockholders' Equity (Tables)

12 Months Ended

Dec. 31, 2017

Class Of Stock [Line Items]

Schedule of Assumptions for Fair Value of Option Grant

In connection with the stock option grants during 2017 and 2016, the fair value of each option grant was estimated on the date of the grant using the Black-Scholes option pricing model with the following assumptions:

	2017		2016
Risk-free interest rate	1% - 2%		1% - 2%
Expected life (years)		6.80		6.75
Expected volatility	95%		94% - 99%
Expected dividend yield	Zero		Zero

Schedule of Changes in Common Stock Options

The following summarizes the changes in common stock options for 2017 and 2016:

	2017					2016
	Options			Weighted Average Exercise Price		Options			Weighted Average Exercise Price
Outstanding at beginning of year		5,169,200		$	0.96		2,175,000		$	1.70
Granted		50,000		$	0.48		3,259,200		$	0.45
Exercised		(10,000	)	$	0.08		(40,000	)	$	0.12
Expired		—		N/A			(20,000	)	$	0.15
Forfeited		(168,750	)	$	0.45		(205,000	)	$	0.92
Outstanding at end of year		5,040,450		$	0.97		5,169,200		$	0.96
Options exercisable at year end		2,672,337		$	1.43		1,847,500		$	1.86
Weighted-average fair value of options granted    during the year				$	0.48				$	0.31

Schedule of Information about All Stock Options Outstanding

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

Exercise price	Options Outstanding		Weighted Average Remaining Life(years)		Weighted Average Exercise Price		Number Exercisable		Weighted Average Remaining Life (years)		Weighted Average Exercise Price
$ 0.24 to $ 0.40		40,000		8.3	$	0.24		10,000		8.3	$	0.24
$ 0.42 to $ 1.00		3,340,450		8.4	$	0.48		1,002,337		7.4	$	0.56
$ 1.83 to $ 2.00		1,660,000		0.8	$	1.97		1,660,000		0.8	$	1.97
		5,040,450		6.0	$	0.97		2,672,337		3.3	$	1.43

Schedule of Changes in Restricted Stock Awards

The following summarizes the changes in restricted stock awards for the year ended December 31, 2017:

	Restricted Stock Awards			Weighted Average Grant Date Fair Value
Unvested at December 31, 2016		37,500		$	0.38
Vested		(37,500	)	$	0.38
Unvested at December 31, 2017		—		$	0.38
Vested at December 31, 2017		262,500		$	0.38

Other Options Issued [Member]

Class Of Stock [Line Items]

Schedule of Stock Options and Other Stock Options Issued

Other Options	2017		2016
Options outstanding, beginning of year		625,000		625,000
Options granted		—		—
Options forfeited		—		—
Options outstanding, end of year		625,000		625,000

2003 Stock Option and Appreciation Rights Plan [Member]

Class Of Stock [Line Items]

Schedule of Stock Options and Other Stock Options Issued

2003 Plan	2017			2016
Options outstanding, beginning of year		995,000			1,170,000
Options forfeited		—			(115,000	)
Options exercised		(10,000	)		(40,000	)
Options expired		—			(20,000	)
Options outstanding, end of year		985,000			995,000

2010 Non-Qualified Stock Option Plan [Member]

Class Of Stock [Line Items]

Schedule of Stock Options and Other Stock Options Issued

2010 Plan	2017		2016
Options outstanding, beginning of year		780,000		150,000
Options granted		50,000		720,000
Options forfeited		—		(90,000	)
Options outstanding, end of year		830,000		780,000

Equity Partners Stock Option Plan [Member]

Class Of Stock [Line Items]

Schedule of Stock Options and Other Stock Options Issued

Equity Partners Plan	2017		2016
Options outstanding, beginning of year		230,000		230,000
Options granted		—		—
Options forfeited		—		—
Options outstanding, end of year		230,000		230,000

2016 Stock Option Plan [Member]

Class Of Stock [Line Items]

Schedule of Stock Options and Other Stock Options Issued

2016 Plan	2017			2016
Options outstanding, beginning of year		2,539,200			—
Options granted		—			2,539,200
Options forfeited		(168,750	)		—
Options outstanding, end of year		2,370,450			2,539,200