1. UNAUDITED INTERIM FINANCIAL STATEMENTS: Income Per Share: Schedule of Earnings Per Share, Basic and Diluted (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Net income:
Income (Loss) from Continuing Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest	$ 188,004	$ 298,290	$ 736,026	$ 490,522
Preferred stock dividends	(13,685)	(13,163)	(41,054)	(46,701)
Net income available to common shareholders	$ 174,319	$ 285,127	$ 694,972	$ 443,821
Basic income per share:
Weighted average shares and share equivalents outstanding –basic	16,660,121	15,034,706	16,597,659	14,707,561
Basic income per share	$ 0.01	$ 0.02	$ 0.04	$ 0.03
Diluted income per share:
Shares used in diluted income per share	19,688,994	18,876,162	19,585,761	17,957,425
Diluted income per share	$ 0.01	$ 0.02	$ 0.04	$ 0.02
Computation of shares used in income per share:
Weighted Average Number of Shares Outstanding, Basic	16,660,121	15,034,706	16,597,659	14,707,561
Effect of dilutive stock options	$ 2,741,040	$ 3,568,267	$ 2,701,422	$ 2,989,353
Effect of dilutive warrants	$ 287,833	$ 273,189	$ 286,680	$ 260,511
Weighted Average Number of Shares Outstanding, Diluted	19,688,994	18,876,162	19,585,761	17,957,425