NOTE 5. MARKETABLE SECURITIES: Unrealized losses on marketable securities and their tax effects (Details) - USD ($)	3 Months Ended		9 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2023	Dec. 31, 2022
Details
Unrealized loss from marketable securities	$ 958,564	$ 425,849	$ 589,530	$ (1,450,643)
Tax effects	(209,734)	(93,176)	(128,989)	317,401
Unrealized loss from marketable securities, net of tax	$ 748,830	$ 332,673	$ 460,541	$ (1,133,242)