Stock Options and Warrants (Details) - Stock Option - USD ($)	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Shares, beginning balance	2,252,000	2,222,000
Shares, granted	0	0
Shares, exercised	0	0
Shares, cancelled/expired	(60,000)	0
Shares, ending balance	2,192,000	2,222,000
Shares, exercisable	2,112,000	2,142,000
Weighted average exercise price, beginning balance	$ .14	$ 0.13
Weighted average exercise price, granted	.00	0.00
Weighted average exercise price, exercised	.00	0.00
Weighted average exercise price, cancelled/expired	.13	0.00
Weighted average exercise price, ending balance	.12	0.13
Weighted average exercise price, exercisable	$ .13	$ 0.13
Aggregate intrinsic value, outstanding	$ 2,000	$ 1,000