Stockholders' Equity (Tables)

12 Months Ended

Dec. 31, 2015

Stockholders' Equity Note [Abstract]

Schedule of Stockholders Equity

Gross cash proceeds	$	3,390,000
Less: gross proceeds allocated to warrants liability – investors		(1,356,000	)
Gross proceeds allocated to additional paid-in capital and common stock		2,034,000
Less: cash issuance costs – legal fees		(20,000	)
Recorded in additional paid-in capital and common stock	$	2,014,000

Schedule of Share-based Compensation, Activity

The following table summarizes options outstanding as of December 31, 2015 and 2014 that were granted from stock based compensation plans that are inactive. As of December 31, 2015 such plans can no longer grant options.

		Options Outstanding
	Year	Beginning of Year		Granted		Exercised			Cancelled			End of Year
2008 Stock Option Plan	2015		430,000		—		(6,000	)		(28,455	)		395,545
2005 Equity Incentive Plan	2015		17,333		—		—			(3,333	)		14,000
Supplemental Stock Option Agreement	2015		333		—		—			—			333
			447,666		—		(6,000	)		(31,788	)		409,878
2008 Stock Option Plan	2014		641,255		—		(16,455	)		(194,800	)		430,000
2005 Equity Incentive Plan	2014		64,833		—		(667	)		(46,833	)		17,333
1998 Stock Option/Stock Issuance Plan	2014				—					—			—
Supplemental Stock Option Agreement	2014		333		—		—			—			333
			706,421		—		(17,122	)		(241,633	)		447,666

Schedule of Share-based Compensation, Stock Options, Activity

A summary of the status of all of the options outstanding under all of the Company’s stock option plans, and non-plan grants to consultants, as of December 31, 2015 and 2014, and changes during the years then ended, is presented in the following table:

	2015					2014
	Shares			Weighted Average Exercise Price		Shares			Weighted Average Exercise Price
Beginning		685,867		$	2.70		801,289		$	3.15
Granted		57,911		$	1.80		230,000		$	2.10
Exercised		(6,000	)	$	0.79		(17,121	)	$	2.85
Forfeited or expired		(31,788	)	$	3.26		(328,301	)	$	3.60
Ending		705,990		$	2.63		685,867		$	2.70
Exercisable at year-end		705,990			2.63		685,867		$	2.70
Vested or expected to vest at year-end		704,763		$	2.64		676,299		$	2.70
Weighted average fair value of options granted during the period				$	2.63				$	2.70

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

The following table summarizes information about stock options outstanding as of December 31, 2015:

	Options Outstanding						Options Exercisable
Range of Exercise Price	Number Outstanding		Weighted Average Remaining Contractual Life (Years)		Weighted Average Exercise Price		Number Exercisable		Weighted Average Exercise Price
$0.75-$1.80		104,111		7.10	$	1.35		58,789	$	1.01
$1.82-$1.82		93,333		8.42	$	1.82		37,475	$	1.82
$2.06-$2.40		73,000		6.67	$	2.28		70,778	$	2.29
$2.48-$2.48		7,333		1.04	$	2.48		7,333	$	2.48
$2.54-$2.54		113,333		8.92	$	2.54		37,778	$	2.54
$2.55-$3.00		80,667		6.04	$	2.71		80,667	$	2.71
$3.03-$3.30		45,600		5.32	$	3.08		45,600	$	3.08
$3.45-$3.45		106,412		5.83	$	3.45		106,412	$	3.45
$4.20-44.20		80,000		5.69	$	4.20		80,000	$	4.20
$5.70-$6.88		2,201		5.97	$	6.38		1,816	$	6.32
$0.75-$6.68		705,990		6.87	$	2.63		526,648	$	2.81

Schedule of Unvested Restricted Stock Units Roll Forward

A summary of the status of all of the Company’s unreleased restricted stock awards as of December 31, 2015 and 2014 and changes during the years then ended, is summarized in the following table.

	2015					2014
	Shares			Weighted Average Fair Value		Shares			Weighted Average Fair Value
Beginning unreleased		287,666		$	2.66		262,562		$	4.20
Awarded		15,000		$	2.35		291,467		$	2.46
Released		(116,500	)	$	3.09		(98,319	)	$	3.75
Forfeited		(79,580	)	$	2.42		(168,044	)	$	3.75
Ending unreleased		106,586		$	2.31		287,666		$	2.70