13.

Stock Options and Warrants

For the three months ended March 31, 2018 and March 31, 2017, respectively, the Company recorded non-cash stock-based compensation expense of $10,341 and $10,880, relating to employee stock options and warrants issued for consulting services.

Stock options and warrants issued to consultants and other non-employees as compensation for services provided to the Company are accounted for based on the fair value of the services provided or the estimated fair market value of the option or warrant, whichever is more reliably measurable in accordance with FASB ASC 505, Equity, and FASB ASC 718, Compensation – Stock Compensation. The related expense is recognized over the period the services are provided. Unrecognized expense remaining at March 31, 2018 and 2017 for the options is $4,027 and $10,808, respectively, and will be recognized through March 30, 2019.

A summary of the Company’s stock option plans as of March 31, 2018, and changes during the three month period then ended is presented below:


	Three Months Ended March 31, 2018
	Number of Options			Weighted Average Exercise Price
Options outstanding at December 31, 2017		3,180,000		$	0.20
Options granted		—			—
Options exercised		—			—
Options cancelled		—			—
Options expired		(45,000	)		0.26
Options at end of period		3,135,000		$	0.20
Options exercisable at March 31, 2018		2,864,160		$	0.20

Changes in the Company’s non-vested options for the three months ended March 31, 2018 are summarized as follows:


	Three Months Ended March 31, 2018
	Number of Options		Weighted Average Exercise Price
Non-vested options at December 31, 2017		270,840	$	0.15
Granted		—		—
Vested		—		—
Forfeited		—		—
Non-vested options at March 31, 2018		270,840	$	0.15


	Options Outstanding						Options Exercisable
Range of Exercise Price	Number Outstanding		Remaining Average Contractual Life (In Years)		Weighted Average Exercise Price		Number Exercisable		Weighted Average Exercise Price
0.04-.40		3,135,000		3.04	$	0.20		2,864,160	$	0.20
Totals		3,135,000		3.04	$	0.20		2,864,160	$	0.20

A summary of the Company’s warrant activity as of March 31, 2018 and changes during the three month period then ended is presented below:


	Three months ended March 31, 2018
	Weighted Average Exercise
	Warrants			Price
Warrants outstanding at December 31, 2017		990,162		$	0.24
Granted		—			—
Exercised		—			—
Expired		(168,750	)	$	(0.35	)
Warrants outstanding at March 31, 2018		821,412		$	0.17


	Warrants Outstanding
Range of Exercise Price	Number Outstanding		Remaining Average Contractual Life (In Years)		Weighted Average Exercise Price
$0.05 - $0.50		821,412		2.04	$	0.17
Totals		821,412		2.04	$	0.17