Note P - Income Taxes (Details Textual) - USD ($)	3 Months Ended		9 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2022	Dec. 31, 2021
Income Tax Expense (Benefit), Total	$ 431,579	$ (967,681)	$ 4,639,272	$ 6,303,899
Effective Income Tax Rate Reconciliation, Percent, Total			23.60%	22.70%