NOTE 3. MARKETABLE SECURITIES: Schedule of Fair Value of Marketable Securities Aggregated by Crfedit Rating (Details)	Mar. 31, 2024 USD ($)
Fair values of our marketable securities	$ 52,548,876
Standard & Poor's, AAA Rating
Fair values of our marketable securities	9,842,796
Standard & Poor's, AA+ Rating
Fair values of our marketable securities	2,192,943
Standard & Poor's, AA Rating
Fair values of our marketable securities	6,737,897
Standard & Poor's, AA- Rating
Fair values of our marketable securities	21,140,534
Standard & Poor's, A+ Rating
Fair values of our marketable securities	2,909,870
Standard & Poor's, A Rating
Fair values of our marketable securities	$ 9,724,836