Stock Options and Warrants (Details) - Stock Options - USD ($)	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Shares, beginning balance	2,252,000	2,222,000
Shares, granted	0	80,000
Shares, exercised	0	0
Shares, cancelled/expired	(60,000)	0
Shares, ending balance	2,192,000	2,302,000
Shares, exercisable	2,192,000	2,142,000
Weighted average exercise price, beginning balance	$ .14	$ .13
Weighted average exercise price, granted	.00	.07
Weighted average exercise price, exercised	.00	.00
Weighted average exercise price, cancelled/expired	.13	.00
Weighted average exercise price, ending balance	.12	.13
Weighted average exercise price, exercisable	$ .12	$ .13
Aggregate intrinsic value, outstanding	$ 177,000	$ 1,000