NOTE 5. MARKETABLE SECURITIES: Unrealized losses on marketable securities and their tax effects (Details) - USD ($)	3 Months Ended		9 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2024	Dec. 31, 2023
Details
Unrealized loss from marketable securities	$ (290,384)	$ 958,564	$ 617,665	$ 589,530
Tax effects	63,536	(209,734)	(135,386)	(128,989)
Unrealized loss from marketable securities, net of tax	$ (226,848)	$ 748,830	$ 482,279	$ 460,541