Stock Option Plans and Agreements (Tables)

3 Months Ended

Mar. 31, 2022

Stock Option Plans and Agreements

Stock option valuation assumptions

Risk-free interest rate	1.26	%
Expected dividend yield	0	%
Expected stock price volatility	130	%
Expected life of options (years)	2.75

Stock option activity

	Number of			Weighted		Remaining	Aggregate
	Options			Average		Contractual	Intrinsic
	Outstanding			Exercise Price		Term	Value
Outstanding at December 31, 2021		10,755,000		$	0.08
Granted		10,000			0.13
Expired		(60,000	)		0.12
Outstanding at March 31, 2022		10,705,000		$	0.08	3.1 years	$	973,100
At March 31, 2022- vested or expected to vest		9,955,000		$	0.07	3.0 years	$	973,100
Exercisable		9,955,000		$	0.07	3.0 years	$	973,100