Stock Options and Warrants (Tables)

3 Months Ended

Mar. 31, 2018

Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]

		First Quarter 2018					First Quarter 2017
	Shares		Weighted Average Exercise Price		Aggregate Intrinsic Value as of March 31, 2018	Shares		Weighted Average Exercise Price		Aggregate Intrinsic Value as of March 31, 2017
Warrants outstanding at beginning of year		2,060,000	$	0.18			2,060,000	$	0.18
Granted		0	NA				0	NA
Exercised		0	NA				0	NA
Cancelled/expired		60,000	$	0.18			0	NA
Warrants outstanding at end of year		2,000,000	$	0.18	None		2,060,000	$	0.18	None
Warrants exercisable at end of year		2,000,000	$	0.18			2,060,000	$	0.18

Employee Stock Option [Member]

Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]

		First Quarter 2018						First Quarter 2017
	Shares		Weighted Average Exercise Price		Aggregate Intrinsic Value as of March 31, 2018		Shares		Weighted Average Exercise Price		Aggregate Intrinsic Value as of March 31, 2017
Options outstanding at beginning of year		2,147,000	$	0.13				2,107,000	$	0.13
Granted		0	NA					0	NA
Exercised		0	NA					0	NA
Cancelled/expired		0	NA					0	NA
Options outstanding at end of year		2,147,000	$	0.13	$	15,000		2,107,000	$	0.13	$	15,000
Options exercisable at end of year		2,022,000	$	0.13				1,485,000	$	0.13