OPTIONS AND WARRANTS TO PURCHASE COMMON STOCK (Tables)

12 Months Ended

Dec. 31, 2019

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Schedule Of Warrants Or Rights [Table Text Block]

A summary of the status and changes of the warrants issued for 2019 and 2018 is as follows:

	December 31, 2019				December 31, 2018
	Shares issuable upon exercise of		Weighted		Shares issuable upon exercise of			Weighted
	Outstanding Warrants		Average Exercise Price		Outstanding Warrants			Average Exercise Price
Outstanding at beginning of year		26,688,373		0.15		18,813,373		$	0.14
Issued		-		-		9,875,000			0.15
Exercised		-		-		(2,000,000	)		0.04
Forfeited		-		-		-			-
Outstanding at end of year		26,688,373		0.15		26,688,373			0.15

Schedule of Stockholders' Equity Note, Warrants or Rights [Table Text Block]

A summary of the status of the warrants outstanding and exercisable at December 31, 2019 is presented below:

Exercise Price		Shares issuable upon exercise of Outstanding Warrants		Weighted Average Remaining Contractual Life (years)		Weighted Average Exercise Price
$	1.15		461,340		1.33	$	1.15
$	0.25		3,283,283		1.49	$	0.25
$	0.04		2,068,750		2.68	$	0.04
$	0.10		11,000,000		2.95	$	0.10
$	0.15		9,875,000		1.48	$	0.15
			26,688,373		2.18	$	0.15

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

The significant assumptions relating to the valuation of the Company's options issued for 2019 and 2018 were as follows on a weighted average basis:

	2019	2018
Dividend Yield	0%	0%
Expected Life (in years)	3.81 - 5.00	2.50 - 7.50
Expected Volatility	131% - 152%	69.13% - 167.28%
Risk Free Interest Rate	2.50% - 2.55%	1.42% - 3.09%

Share-based Compensation, Stock Options, Activity [Table Text Block]

A summary of the status and changes of the options granted under stock option plans and other agreements for 2019 and 2018 is as follows:

	December 31, 2019					December 31, 2018
				Weighted					Weighted
				Average					Average
	Shares			Exercise Price		Shares			Exercise Price
Outstanding at beginning of year		54,866,845			0.29		57,057,768		$	0.36
Granted		7,683,334			0.04		5,224,999		$	0.10
Exercised		—			—		—			—
Expired		(1,873,611	)		0.11		(7,415,922	)		0.73
Outstanding at end of year		60,676,568			0.26		54,866,845		$	0.29

Summary Of Vesting Information For Stock Options [Table Text Block]

During the year ended December 31, 2019, the Company granted 7,683,334 options to purchase the Company’s common stock with a weighted average exercise price of $0.04. Total grant date fair value was $223,903 of which $34,037 was unamortized compensation expense at December 31, 2019. Of the 7,683,334 options granted, the options vest as follows:

		Vesting Information
Shares		Frequency	Begin Date	End Date
	833,334	Immediately	01/01/2019	01/01/2019
	750,000	Monthly	02/24/2019	07/24/2019
	600,000	Monthly (1)	03/13/2019	06/13/2019
	4,000,000	Immediately	04/25/2019	04/25/2019
	500,000	Monthly	09/21/2019	01/21/2020
	1,000,000	Annually	12/28/2019	12/28/2021

(1) 450,000 options vested on 03/13/2019, 49,999 options vested on 04/13/2019, 49,999 options vested on 05/13/2019 and 50,002 options vested on 06/13/2019.

During the year ended December 31, 2018, the Company granted 5,224,999 options to purchase the Company’s common stock with a weighted average exercise price of $0.10. Of the 5,224,999 options granted, the options vest as follows:

		Vesting Information
Shares		Frequency	Begin Date	End Date
	347,222	Quarterly(1)	04/30/2018	07/01/2018
	277,777	Monthly(2)	06/01/2018	07/01/2018
	600,000	Monthly	07/08/2018	06/08/2019
	1,000,000	Monthly	03/01/2018	02/01/2019
	2,000,000	Monthly	03/10/2018	02/10/2019
	1,000,000	Annually	12/28/2018	12/28/2021

(1) 138,889 options vested on 04/30/2018 and 208,333 options vested on 07/01/2018.

(2) 69,444 options vested on 06/01/2018 and 208,333 options vested on 07/01/2018.

Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table Text Block]

A summary of the status of the options outstanding at December 31, 2019 is presented below:

	Options Outstanding						Options Exercisable
Range of per share exercise price	Shares		Weighted average remaining contractual life		Per share weighted average exercise price		Shares		Weighted average remaining contractual life		Per share weighted average exercise price
$0.04 - $0.08		42,403,623		7.68	$	0.06		34,801,956		7.67	$	0.06
$0.10 - $0.84		13,330,885		2.92		0.42		13,290,885		2.92		0.42
$1.10 - $1.90		4,942,060		2.72		1.63		4,942,060		2.72		1.63
		60,676,568		6.23	$	0.26		53,034,901		6.02	$	0.29