NOTE 8. INCOME TAXES: Schedule of Deferred Tax Assets and Liabilities (Details) - USD ($)	Mar. 31, 2026	Mar. 31, 2025
Paid time off accrual
Deferred Tax Assets	$ 67,884	$ 67,594
Deferred Tax Liabilities	0	0
Net Deferred Tax Assets/ (Liabilities)	67,884	67,594
Deferred Tax Assets	(67,884)	(67,594)
Net Deferred Tax Assets/ (Liabilities)	(67,884)	(67,594)
Reserve for obsolete inventory
Deferred Tax Assets	47,017	47,042
Deferred Tax Liabilities	0
Net Deferred Tax Assets/ (Liabilities)	47,017	47,042
Deferred Tax Assets	(47,017)	(47,042)
Net Deferred Tax Assets/ (Liabilities)	(47,017)	(47,042)
Depreciation and amortization
Deferred Tax Assets	0	0
Deferred Tax Liabilities	(734,113)	(118,314)
Net Deferred Tax Assets/ (Liabilities)	734,113	118,314
Deferred Tax Assets	0	0
Net Deferred Tax Assets/ (Liabilities)	(734,113)	(118,314)
Stock-based compensation deductions
Deferred Tax Assets	139,228	118,810
Deferred Tax Liabilities	0	0
Net Deferred Tax Assets/ (Liabilities)	139,228	118,810
Deferred Tax Assets	(139,228)	(118,810)
Net Deferred Tax Assets/ (Liabilities)	(139,228)	(118,810)
Unrealized loss on marketable securities
Deferred Tax Assets	8,961	19,198
Deferred Tax Liabilities	0	0
Net Deferred Tax Assets/ (Liabilities)	8,961	19,198
Deferred Tax Assets	(8,961)	(19,198)
Net Deferred Tax Assets/ (Liabilities)	(8,961)	(19,198)
Section 174 R&D expense
Deferred Tax Assets	65,273	1,417,015
Deferred Tax Liabilities	0	0
Net Deferred Tax Assets/ (Liabilities)	65,273	1,417,015
Deferred Tax Assets	(65,273)	(1,417,015)
Net Deferred Tax Assets/ (Liabilities)	(65,273)	(1,417,015)
Section 263A UNICAP inventory
Deferred Tax Assets	129,744	311,729
Deferred Tax Liabilities	0	0
Net Deferred Tax Assets/ (Liabilities)	129,744	311,729
Deferred Tax Assets	(129,744)	(311,729)
Net Deferred Tax Assets/ (Liabilities)	(129,744)	(311,729)
Other
Deferred Tax Assets	27,722	3,995
Deferred Tax Liabilities	0	0
Net Deferred Tax Assets/ (Liabilities)	27,722	3,995
Deferred Tax Assets	(27,722)	(3,995)
Net Deferred Tax Assets/ (Liabilities)	(27,722)	(3,995)
Deferred Tax
Deferred Tax Assets	485,829	1,985,383
Deferred Tax Liabilities	(734,113)	(118,314)
Net Deferred Tax Assets/ (Liabilities)	248,284	1,867,069
Deferred Tax Assets	(485,829)	(1,985,383)
Net Deferred Tax Assets/ (Liabilities)	$ (248,284)	$ (1,867,069)