Stockholders’ Equity (Tables)

3 Months Ended

Mar. 31, 2024

Stockholders' Equity Note [Abstract]

Share-Based Payment Arrangement, Option, Exercise Price Range [Table Text Block]

The following table summarizes the options outstanding and the related prices for the options to purchase shares of the Company’s common stock issued by the Company as of March 31, 2024:

						Weighted				Weighted
				Weighted		Average				Average
				Average		Exercise				Exercise
Range of		Number of		Remaining		Price of		Number of		Price of
Exercise		Options		Contractual		Outstanding		Options		Exercisable
Prices		Outstanding		Life (years)		Options		Exercisable		Options
$	0.035		350,000		2.75	$	0.035		350,000	$	0.035
$	0.086		358,750		6.50	$	0.086		301,324	$	0.086
$	0.088		2,896,250		6.98	$	0.088		1,985,699	$	0.088
$	0.094		2,008,125		8.08	$	0.094		1,367,730	$	0.094
$	0.104		12,949,212		5.82	$	0.104		12,949,212	$	0.104
$	0.295		2,924,915		9.58	$	0.295		2,662,415	$	0.295
			21,487,252		6.66	$	0.125		19,616,380	$	0.126

Share-Based Payment Arrangement, Option, Activity [Table Text Block]

Transactions involving stock options are summarized as follows:

	Number of Shares			Weighted Average Exercise Price
Options outstanding at December 31, 2023		24,051,825		$	0.139
Granted		-			-
Exercised		-			-
Cancelled / Expired		(2,564,573	)		0.235
Options outstanding at March 31, 2024		21,487,252		$	0.125
Options exercisable at March 31, 2024		19,616,380		$	0.126

Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]

There were no options valued during the three months ended March 31, 2024. During the year ended December 31, 2023, the Company valued options using the Black-Scholes valuation model utilizing the following variables:

	December 31,
	2023
Volatility		76.03	%
Dividends	$	-
Risk-free interest rates		4.84	%
Expected term (years)		5.00