Stock Options and Warrants (Tables)

3 Months Ended

Mar. 31, 2022

Stock Options and Warrants

Stock option/warrant activity

	First Quarter 2022						First Quarter 2021
	Shares		Weighted Average Exercise Price		Aggregate Intrinsic Value as of March 31, 2022		Shares		Weighted Average Exercise Price		Aggregate Intrinsic Value as of March 31, 2021
Options outstanding at beginning of year		1,937,000	$	0.13				1,987,000	$	0.13
Granted		0	NA					0	NA
Exercised		0	NA					0	NA
Cancelled/expired		0	NA					0	NA
Options outstanding at end of quarter		1,937,000	$	0.13	$	0		1,987,000	$	0.13	$	107,000
Options exercisable at end of quarter		1,937,000	$	0.13				1,987,000	$	0.13