Earnings (Loss) Per Common Share (EPS) (Details) - USD ($)	3 Months Ended						9 Months Ended
	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Sep. 30, 2019	Sep. 30, 2018
Basic Earnings (Loss) Per Share Computation:
Net income (loss)	$ 183,710	$ (307,761)	$ 384,101	$ (110,011)	$ (472,171)	$ (462,173)	$ 260,050	$ (1,044,355)
Weighted average number of common shares	84,234,354			83,177,804			84,014,053	83,100,832
Basic earnings (loss) per share	$ .00			$ (.00)			$ .00	$ (.01)
Diluted Earnings (Loss) Per Share Computation:
Net income (loss)	$ 183,710	$ (307,761)	$ 384,101	$ (110,011)	$ (472,171)	$ (462,173)	$ 260,050	$ (1,044,355)
Weighted average number of common shares	84,234,354			83,177,804			84,014,053	83,100,832
Incremental shares from assumed conversions of stock options	37,471			0			37,471	0
Adjusted weighted average number of common shares	84,271,825			93,177,804			84,051,524	83,100,832
Diluted earnings (loss) per share	$ 0.00			$ 0.00			$ 0.00	$ (0.01)