Stock Options and Warrants (Tables)

6 Months Ended

Jun. 30, 2020

Stock Options

Stock option/warrant activity

	Six months ended June 30, 2020							Six months ended June 30, 2019
	Shares			Weighted Average Exercise Price		Aggregate Intrinsic Value as of June 30, 2020		Shares		Weighted Average Exercise Price		Aggregate Intrinsic Value as of June 30, 2019
Options outstanding at beginning of year		2,252,000		$	0.14				2,222,000	$	0.13
Granted		0			NA				80,000	$	0.07
Exercised		0			NA				0		NA
Cancelled/expired		(60,000	)	$	0.13				0		NA
Options outstanding at end of year		2,192,000		$	0.12	$	177,000		2,302,000	$	0.13	$	1,000
Options exercisable at end of year		2,192,000		$	0.12				2,142,000	$	0.13

Warrants

Stock option/warrant activity

	Six months ended June 30, 2020							Six months ended June 30, 2019
	Shares			Weighted Average Exercise Price		Aggregate Intrinsic Value as of June 30, 2020		Shares		Weighted Average Exercise Price		Aggregate Intrinsic Value as of June 30, 2019
Warrants outstanding at beginning of year		2,000,000		$	0.18				2,000,000	$	0.18
Granted		0			NA				0		NA
Exercised		0			NA				0		NA
Cancelled/expired		(2,000,000	)	$	0.18				0		NA
Warrants outstanding at end of year		0			NA		None		2,000,000	$	0.18		None
Warrants exercisable at end of year		0			NA				2,000,000	$	0.18