NOTE 8. STOCK-BASED COMPENSATION: Schedule of Stock-based Compensation (Details) - shares	3 Months Ended	6 Months Ended
Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Details
Stock options grant	4,000	4,000	6,500	6,500
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period	1,000	0	0	1,000

Number of share options (or share units) exercised during the current period.

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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
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Period Type:	duration