NOTE 5. FAIR VALUE OF FINANCIAL INSTRUMENTS: Available-for-Sale Securities (Details) - USD ($)	Dec. 31, 2022	Mar. 31, 2022
Amortized Cost	$ 53,878,246	$ 52,318,107
Gross Unrealized Holding Gains	372	230,085
Gross Unrealized Holding Losses	(1,858,236)	(637,305)
Debt Securities, Available-for-Sale	52,020,382	51,910,887
Money Market Funds
Amortized Cost	515,519	6,756,993
Gross Unrealized Holding Gains	0	0
Gross Unrealized Holding Losses	0	0
Debt Securities, Available-for-Sale	515,519	6,756,993
Corporate Bond Securities
Amortized Cost	53,362,727	45,561,114
Gross Unrealized Holding Gains	372	230,085
Gross Unrealized Holding Losses	(1,858,236)	(637,305)
Debt Securities, Available-for-Sale	$ 51,504,863	$ 45,153,894

Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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