NOTE 3. MARKETABLE SECURITIES: Gross unrealized holding losses and fair value of available-for-sale securities with unrealized holding losses (Details) - USD ($)	Mar. 31, 2024	Mar. 31, 2023
Estimated Fair Value	$ 3,154,764	$ 37,084,628
Gross Unrealized Holding Losses	(4,902)	(590,967)
Estimated Fair Value	36,551,534	13,294,817
Gross Unrealized Holding Losses	(991,468)	(963,879)
Estimated Fair Value	39,706,298	50,379,445
Gross Unrealized Holding Losses	(996,370)	(1,554,846)
Corporate Bond Securities
Estimated Fair Value	3,154,764	37,084,628
Gross Unrealized Holding Losses	(4,902)	(590,967)
Estimated Fair Value	36,551,534	13,294,817
Gross Unrealized Holding Losses	(991,468)	(963,879)
Estimated Fair Value	39,706,298	50,379,445
Gross Unrealized Holding Losses	$ (996,370)	$ (1,554,846)

Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for more than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset.

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