Stock Options and Warrants (Details) - Employee Stock Option [Member] - USD ($)	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Shares, Beginning Balance	2,222,000	2,147,000
Shares, Granted	0	0
Shares, Exercised	0	0
Shares, Cancelled/expired	0	0
Shares, Ending Balance	2,222,000	2,147,000
Exercisable at end of period	2,142,000	2,022,000
Weighted Average Exercise Price, at beginning of period	$ 0.13	$ 0.13
Weighted Average Exercise Price, Granted	0.00	0.00
Weighted Average Exercise Price, Exercised	0.00	0.00
Weighted Average Exercise Price, Cancelled/expired	0.00	0.00
Weighted Average Exercise Price, at end of period	0.13	0.13
Weighted Average Exercise Price, Exercisable, at end of period	$ 0.13	$ 0.13
Aggregate Intrinsic Value, Outstanding at end of period	$ 1,000	$ 15,000