STOCKHOLDERS' EQUITY (Details) - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Exercisable at end of period	2,172,000
Weighted average exercise price, exercisable, at end of period	$ 0.13
Employee Stock Option
Shares, beginning balance	2,222,000	2,147,000
Shares, granted	80,000	80,000
Shares, exercised	0	0
Shares, cancelled/expired	(50,000)	(5,000)
Shares, ending balance	2,252,000	2,222,000
Exercisable at end of period	2,172,000	2,142,000
Weighted average exercise price, at beginning of period	$ .13	$ 0.13
Weighted average exercise price, granted	.07	0.10
Weighted average exercise price, cancelled/expired	.20	.26
Weighted average exercise price, at end of period	.14	.13
Weighted average exercise price, exercisable, at end of period	$ .13	$ 0.13
Aggregate intrinsic value, outstanding at end of period	$ 1,000	$ 3,000