NOTE 3. FAIR VALUE OF FINANCIAL INSTRUMENTS: Available-for-Sale Securities (Details) - USD ($)	Mar. 31, 2023	Mar. 31, 2022
Amortized Cost	$ 54,098,122	$ 52,318,107
Gross Unrealized Holding Gains	1,007	230,085
Gross Unrealized Holding Losses	(1,554,846)	(637,305)
Debt Securities, Available-for-Sale	52,544,283	51,910,887
Money Market Funds
Amortized Cost	906,141	6,756,993
Gross Unrealized Holding Gains	0	0
Gross Unrealized Holding Losses	0	0
Debt Securities, Available-for-Sale	906,141	6,756,993
Corporate Bond Securities
Amortized Cost	53,191,981	45,561,114
Gross Unrealized Holding Gains	1,007	230,085
Gross Unrealized Holding Losses	(1,554,846)	(637,305)
Debt Securities, Available-for-Sale	$ 51,638,142	$ 45,153,894