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Note 6 - Income Taxes - Schedule of Income Tax Provisions (Details) - USD ($)
12 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Federal, Current taxes $ 2,863,915 $ 2,600,670
State, Current taxes 140,822 75,852
Federal, Deferred taxes (11,927) (123,959)
State, Deferred taxes (499) (5,195)
Income tax provision $ 2,992,312 $ 2,547,368