1. UNAUDITED INTERIM FINANCIAL STATEMENTS: Income Per Share: Schedule of Earnings Per Share, Basic and Diluted (Details) - USD ($)	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Net income
Income (Loss) from Continuing Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest	$ 199,061	$ 275,934
Preferred stock dividends	(15,105)	(13,685)
Net income available to common shareholders	$ 183,956	$ 262,249
Basic income per share
Weighted Average Number of Shares Outstanding, Basic	17,146,121	16,470,654
Basic income per share	$ 0.01	$ 0.02
Diluted income per share
Shares used in diluted income per share	19,665,241	19,341,419
Diluted income per share	$ 0.01	$ 0.01
Computation of shares used in income per share
Weighted Average Number of Shares Outstanding, Basic	17,146,121	16,470,654
Effect of dilutive stock options	$ 2,231,210	$ 2,586,500
Effect of dilutive warrants	$ 287,910	$ 284,265
Weighted Average Number of Shares Outstanding, Diluted	19,665,241	19,341,419