1. Summary of Significant Accounting Policies (Details) - USD ($)	3 Months Ended												12 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018		Sep. 30, 2018		Jun. 30, 2018		Mar. 31, 2018		Dec. 31, 2019		Dec. 31, 2018		Dec. 31, 2017
Net loss	$ (1,763,000)	$ 467,000	$ 441,000	$ 476,000	$ (3,315,000)		$ (562,000)		$ 412,000		$ 403,000		$ (378,065)		$ (3,062,209)		$ (3,384,927)
Net loss per share with assumed conversions													$ (378,065)		$ (2,849,084)		$ (3,039,719)
Weighted average number of common shares outstanding, basic													22,052,859		21,249,607		20,783,032
Weighted average number of common shares outstanding, diluted													23,315,695		26,094,292		25,704,286
Earnings per share, basic	$ (.08)	$ (0.02)	$ (0.02)	$ (0.02)	$ (0.15)		$ (0.03)		$ 0.02		$ 0.02		$ (.02)		$ (0.14)		$ (0.16)
Earnings per share, diluted	$ (.08)	$ (0.02)	$ (0.02)	$ (0.02)	$ (0.15)	[1]	$ (0.02)	[1]	$ 0.02	[1]	$ 0.02	[1]	$ (0.02)	[1]	$ (0.14)	[1]	$ (0.16)	[1]
Options
Effect of dilutive securities													$ 0		$ 0		$ 0
Effect of dilutive securities													12,836		511,260		222,624
Convertible Notes
Effect of dilutive securities													$ 0		$ 213,125		$ 345,208
Effect of dilutive securities													62,500		4,333,425		4,698,630

[1] Net loss per share is shown the same as basic loss per share because the underlying dilutive securities have anti-dilutive effect.