STOCKHOLDERS' EQUITY (Tables)

12 Months Ended

Dec. 31, 2017

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

	Year Ended December 31
	2017	2016
Volatility	81%	62%-66%
Expected term (years)	10 years	10 years
Risk-free interest rate	2.16%	1.57%-1.94%
Dividend yield	0%	0%

Warrant [Member]

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

	Year Ended December 31,2017								Year Ended December 31, 2016
	Shares		Weighted Average Exercise Price		Aggregate Intrinsic Value as of December 31, 2017	Shares				Weighted Average Exercise Price		Aggregate Intrinsic Value as of December 31, 2016
Warrants outstanding at beginning of year		2,060,000	$	0.18			2,385,000			$	0.16
Granted		0	NA				0			NA
Exercised		0	NA				0			NA
Cancelled/expired		0	NA				(325,000	)		$	0.14
Warrants outstanding at end of year		2,060,000	$	0.18	None		2,060,000			$	0.18	None
Warrants exercisable at end of year		2,060,000	$	0.18			2,060,000			$	0.18

Employee Stock Option [Member]

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

	Year Ended December 31,2017						Year Ended December 31, 2016
	Shares		Weighted Average Exercise Price		Aggregate Intrinsic Value as of December 31, 2017		Shares			Weighted Average Exercise Price		Aggregate Intrinsic Value as of December 31, 2016
Options outstanding at beginning of year		2,107,000	$	0.13				1,435,000		$	0.14
Granted		40,000	$	0.13				830,000		$	0.11
Exercised		0	NA					0		NA
Cancelled/expired		0	NA					(158,000	)	$	0.17
Options outstanding at end of year		2,147,000	$	0.13	$	10,000		2,107,000		$	0.13	$	15,000
Options exercisable at end of year		1,647,000	$	0.13				1,109,000		$	0.14

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

		Options Outstanding						Options Exercisable
				Weighted		Weighted				Weighted
				Average		Average				Average
Range of Exercise				Exercise		Remaining				Exercise
Price		Shares		Price		Life in Years		Shares		Price
$	0.07 - $0.11		955,000	$	0.1		6.97		580,000	$	0.1
$	0.12 - $0.15		815,000	$	0.13		6.78		690,000	$	0.13
$	0.16 - $0.26		377,000	$	0.19		4.3		377,000	$	0.19
			2,147,000		0.13		6.43		1,647,000		0.13
	TOTAL