STOCKHOLDERS' EQUITY (Details) - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Exercisable at end of period	1,987,000
Weighted average exercise price, exercisable, at end of period	$ 0.13
Stock Options
Shares, beginning balance	2,252,000	2,222,000
Shares, granted	0	80,000
Shares, exercised	0	0
Shares, cancelled/expired	(265,000)	(50,000)
Shares, ending balance	1,987,000	2,252,000
Exercisable at end of period	1,987,000	2,172,000
Weighted average exercise price, at beginning of period	$ 0.14	$ 0.13
Weighted average exercise price, granted	.00	0.07
Weighted average exercise price, exercised	.00	.00
Weighted average exercise price, cancelled/expired	.10	0.20
Weighted average exercise price, at end of period	.13	0.14
Weighted average exercise price, exercisable, at end of period	$ .13	$ 0.13
Aggregate intrinsic value, outstanding at end of period	$ 291,324	$ 1,000