NOTE 5. MARKETABLE SECURITIES: Unrealized losses on marketable securities and their tax effects (Details) - USD ($)	3 Months Ended
Jun. 30, 2025	Jun. 30, 2024
Details
Unrealized loss from marketable securities	$ 96,471	$ 36,751
Tax effects	(21,109)	(8,041)
Unrealized loss from marketable securities, net of tax	$ 75,362	$ 28,710

Represents the monetary amount of Unrealized loss from marketable securities, net of tax, during the indicated time period.

No definition available.

Name:	fil_UnrealizedLossFromMarketableSecuritiesNetOfTax
Namespace Prefix:	fil_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration