1. UNAUDITED INTERIM FINANCIAL STATEMENTS: Income (Loss) Per Share: Schedule of Earnings Per Share, Basic and Diluted (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Net income:
Income (Loss) from Continuing Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest	$ 272,088	$ 141,625	$ 548,022	$ 192,232
Preferred stock dividends	(13,684)	(13,163)	(27,369)	(33,538)
Net income available to common shareholders	$ 258,404	$ 128,462	$ 520,653	$ 158,694
Basic income per share:
Weighted average shares and share equivalents outstanding –basic	16,660,121	14,542,192	16,565,911	14,542,192
Basic income per share	$ 0.02	$ 0.01	$ 0.03	$ 0.01
Diluted income per share:
Shares used in diluted income per share	19,588,985	17,599,562	19,471,962	17,182,766
Diluted income per share	$ 0.01	$ 0.01	$ 0.03	$ 0.01
Computation of shares used in income per share:
Weighted Average Number of Shares Outstanding, Basic	16,660,121	14,542,192	16,565,911	14,542,192
Effect of dilutive stock options	$ 2,642,694	$ 2,717,207	$ 2,620,629	$ 2,315,321
Effect of dilutive warrants	$ 286,170	$ 340,163	$ 285,422	$ 325,253
Weighted Average Number of Shares Outstanding, Diluted	19,588,985	17,599,562	19,471,962	17,182,766