Stock Options and Warrants (Tables)

6 Months Ended

Jun. 30, 2018

Schedule of Share-based Compensation, Stock Options, Activity

			Six months ended June 30, 2018								Six months ended June 30, 2017
	Shares			Weighted Average Exercise Price		Aggregate Intrinsic Value as of June 30, 2018	Shares		Weighted Average Exercise Price			Aggregate Intrinsic Value as of June 30, 2017
Warrants outstanding at beginning of period		2,060,000		$	0.18			2,060,000	$	0.18
Granted		0		NA				0	NA
Exercised		0		NA				0	NA
Cancelled/expired		60,000		$	0.18			0	NA
Warrants outstanding at end of period		2,000,000		$	0.18	None		2,060,000	$	0.18		None
Warrants exercisable at end of period		2,000,000		$	0.18			2,060,000	$	0.18

Employee Stock Option [Member]

Schedule of Share-based Compensation, Stock Options, Activity

			Six months ended June 30, 2018							Six months ended June 30, 2017
	Shares			Weighted Average Exercise Price		Aggregate Intrinsic Value as of June 30, 2018		Shares			Weighted Average Exercise Price		Aggregate Intrinsic Value as of June 30, 2017
Options outstanding at beginning of period		2,147,000		$	0.13				2,107,000		$	0.13
Granted		80,000		$	0.10				40,000		$	0.13
Exercised		0		NA					0		NA
Cancelled/expired		0		NA					0		NA
Options outstanding at end of period		2,227,000		$	0.13	$	5,000		2,147,000		$	0.13	$	15,000
Options exercisable at end of period		2,147,000		$	0.13				1,647,000		$	0.13

Schedule of assumptions used

	Six months ended
	2018	2017
Volatility	79%	81%
Expected term (years)	10 years	10 years
Risk-free interest rate	2.90%	2.16%
Dividend yield	0%	0%