NOTE 5. MARKETABLE SECURITIES: Contractual maturities of marketable securities (Details) - USD ($)	Dec. 31, 2024	Mar. 31, 2024
Marketable Securities	$ 49,720,837	$ 52,548,876
(1 Year	20,016,470
1-3 Years	21,836,663
3-5 Years	7,867,704
Money Market Funds
Marketable Securities	5,109,218	9,842,796
(1 Year	5,109,218
1-3 Years	0
3-5 Years	0
US Treasury Securities
Marketable Securities	4,686,781	0
(1 Year	0
1-3 Years	4,686,781
3-5 Years	0
Corporate Bond Securities
Marketable Securities	39,924,838	$ 42,706,080
(1 Year	14,907,252
1-3 Years	17,149,882
3-5 Years	$ 7,867,704