1. UNAUDITED INTERIM FINANCIAL STATEMENTS: Income (Loss) Per Share: Schedule of Earnings Per Share, Basic and Diluted (Details) - USD ($)		3 Months Ended		9 Months Ended
		Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Net income (loss):
Income (Loss) from Continuing Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest		$ 79,644	$ 100,910	$ 215,849	$ 33,046
Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest	[1]	(335)	(13,825)	(770)	166,462
Net Income (Loss) Attributable to Parent		79,309	87,085	215,079	199,508
Preferred stock dividends		(3,363)	(5,044)	(10,087)	(15,131)
Net income available to common stockholders		$ 75,946	$ 82,041	$ 204,992	$ 184,377
Basic income (loss) per share:
Weighted average shares and share equivalents outstanding - basic		14,539,675	11,909,052	14,187,084	11,883,830
Basic income (loss) per share:
Continuing operations - basic		$ 0.01	$ 0.01	$ 0.02	$ 0.00
Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Basic Share	[1]	(0.00)	(0.00)	(0.00)	0.01
Earnings Per Share, Basic		$ 0.01	$ 0.01	$ 0.01	$ 0.02
Diluted income (loss) per share:
Shares used in diluted income (loss) per share		17,179,013	14,851,830	16,844,572	14,815,054
Diluted income (loss) per share:
Continuing operations - diluted		$ 0.00	$ 0.01	$ 0.01	$ 0.00
Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Diluted Share	[1]	(0.00)	(0.00)	(0.00)	0.01
Earnings Per Share, Diluted		$ 0.00	$ 0.01	$ 0.01	$ 0.01
Computation of shares used in income (loss) per share:
Weighted Average Number of Shares Outstanding, Basic		14,539,675	11,909,052	14,187,084	11,883,830
Effect of preferred stock		$ 987,102	$ 987,102	$ 987,102	$ 987,102
Effect of dilutive stock options		1,386,367	1,727,251	1,377,521	1,716,322
Effect of dilutive warrants		265,869	228,425	264,977	227,800
Convertible promissory notes		$ 0	$ 0	$ 27,888	$ 0
Weighted Average Number of Shares Outstanding, Diluted		17,179,013	14,851,830	16,844,572	14,815,054

[1] NOTE 10