NOTE 8. STOCK-BASED COMPENSATION (Details) - USD ($)	3 Months Ended	6 Months Ended
Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Details
Share-Based Payment Arrangement, Expense	$ 105,203	$ 106,312	$ 123,645	$ 116,848
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Term, Simplified Method			Black-Scholes-Merton standard option-pricing model

Discloses use of the simplified method to calculate the expected term that stock option awards under the specified plan will exist before being exercised or terminated, the reason and justification for its use, and the periods for which the method was used if it was not used in all periods presented.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 14.D.2.Q6)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479830/718-10-S99-1

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Period Type:	duration