NOTE 7. INCOME TAXES: Schedule of Deferred Tax Assets and Liabilities (Details) - USD ($)	Mar. 31, 2024	Mar. 31, 2023
Details
Components of Deferred Tax Assets and Liabilities, Paid time off accrual	$ 64,190	$ 52,525
Components of Deferred Tax Assets and Liabilities, Inventory reserve	47,042	47,042
Components of Deferred Tax Assets and Liabilities, Depreciation and amortization	(127,839)	(167,551)
Components of Deferred Tax Assets and Liabilities, Stock-based compensation deductions	101,668	71,734
Components of Deferred Tax Assets and Liabilities, Unrealized gain on marketable securities	217,802	339,980
Section 174 R&D expense	930,946	0
Components of Deferred Tax Assets and Liabilities, UNICAP 263A inventory	202,339	204,424
Components of Deferred Tax Assets and Liabilities, Other	17,556	23,884
Components of Deferred Tax Assets and Liabilities, Deferred tax assets	$ 1,453,704	$ 572,038