NOTE 6. INCOME TAXES: Schedule of Deferred Tax Assets and Liabilities (Details) - USD ($)	Mar. 31, 2023	Mar. 31, 2022
Details
Components of Deferred Tax Assets and Liabilities, Paid time off accrual	$ 52,525	$ 63,055
Components of Deferred Tax Assets and Liabilities, Inventory reserve	47,042	47,042
Components of Deferred Tax Assets and Liabilities, Depreciation and amortization	(167,551)	88,690
Components of Deferred Tax Assets and Liabilities, Stock-based compensation deductions	71,734	88,710
Components of Deferred Tax Assets and Liabilities, Unrealized gain on marketable securities	339,980	89,102
Components of Deferred Tax Assets and Liabilities, UNICAP 263A inventory	204,424	103,588
Components of Deferred Tax Assets and Liabilities, Other	23,884	3,282
Components of Deferred Tax Assets and Liabilities, Deferred tax assets	$ 572,038	$ 483,469