Stock Option Plan and Warrants (Tables)

12 Months Ended

Dec. 31, 2015

Schedule of Stock Option Transactions

Stock option transactions during 2015 and 2014 were as follows:

	2015					2014
	Shares			Weighted- Average Exercise Price		Shares			Weighted- Average Exercise Price
Outstanding at Beginning of Year		5,953,227		$	1.03		5,693,322		$	1.07
Granted		1,048,000			0.72		1,322,000			1.22
Exercised		(23,140	)		0.10		(56,345	)		0.10
Forfeited or Canceled		(940,333	)		1.17		(1,005,750	)		1.55
Outstanding at End of Year		6,037,754			0.96		5,953,227			1.03
Options Exercisable at Year-End		5,969,879			0.97		5,577,185			1.10
Weighted-Average Fair Value of Options Granted During the Year	$	0.15				$	0.25

Schedule of Stock Options Outstanding and Exercisable

Information with respect to stock options outstanding and exercisable at December 31, 2015 is as follows:

	Options Outstanding						Options Exercisable
Range of Exercise Prices	Number Outstanding at December 31, 2015		Weighted-Average Remaining Contractual Life		Weighted-Average Exercise Price		Number Exercisable at December 31, 2015		Weighted-Average Exercise Price
$0.10 - $1.75		6,037,754		7	$	0.96		5,969,879	$	0.97

Schedule of Black-Scholes Option-Pricing Model

The fair value of each option granted is estimated on the date of grant using the Black-Scholes option-pricing model with the following weighted-average assumptions used for options granted.

	2015			2014
Expected Life		6.7 yrs			6.25 yrs
Dividend Yield		0	%		0	%
Expected Volatility		18	%		18	%
Risk-Free Interest Rate		2.09	%		2.26	%

Warrant [Member]

Schedule of Warrant Transactions

Stock warrant transaction for 2015 and 2014 were as follows:

	2015					2014
	Shares			Weighted-Average Exercise Price		Shares			Weighted-Average Exercise Price
Outstanding at Beginning of Year		3,749,550		$	1.00		3,883,641		$	1.00
Granted		4,369,162			1.05		674,909			1.36
Exercised		-			-		(530,000	)		0.96
Forfeited or Canceled		(701,409	)		0.80		(279,000	)		1.08
Outstanding at End of Year		7,417,303			0.97		3,749,550			0.97
Warrants Exercisable at Year-End		7,417,303			0.97		3,749,550			0.97
Weighted-Average Fair Value of Warrants Granted During the Year	$	0.20				$	0.15

Summary of Warrants Outstanding and Exercisable Information

The fair value of each warrant granted is estimated on the date of grant using the Black-Scholes option-pricing model with the following weighted-average assumptions used for warrants granted.

	2015			2014
Expected Life		2.4			2.8
Dividend Yield		0	%		0	%
Expected Volatility		18	%		19	%
Risk-Free Interest Rate		1.96	%		1.40	%

Schedule of Warrants Outstanding and Exercisable

Information with respect to warrants outstanding and exercisable at December 31, 2015 is as follows:

	Warrants Outstanding						Warrants Exercisable
Range of Exercise Prices	Number Outstanding at December 31, 2015		Weighted-Average Remaining Contractual Life		Weighted-Average Exercise Price		Number Exercisable at December 31, 2015		Weighted-Average Exercise Price
$0.10 - $1.65		7,417,303		2.4 Years	$	1.00		7,417,303	$	1.00