Note H - Derivative Financial Instruments - Change in Accumulated Other Comprehensive Income (Loss), Net of Tax (Details) - USD ($)	3 Months Ended		9 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2022		Dec. 31, 2021
Balance	$ 106,689,752	$ 80,335,001	$ 79,686,648		$ 65,339,976
Net current period other comprehensive income	669,454	13,795,418	9,421,604		4,329,266
Balance	108,658,458	91,056,681	108,658,458		91,056,681
Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member]
Balance			(10,268,509)		(11,187,841)
Other comprehensive income, net of loss, before reclassification			7,163,726		(5,012,675)
Total loss reclassified from AOCI (1)			2,257,878	[1]	9,341,941	[2]
Net current period other comprehensive income			9,421,604		4,329,266
Balance	$ (846,905)	$ (6,858,575)	$ (846,905)		$ (6,858,575)

[1] The loss reclassified from AOCI is presented net of tax benefits of $719,282 which are included in the provision for (benefit from) income taxes on the Company's Consolidated Statement of Operations for the nine months ended December 31, 2022.

[2] The loss reclassified from AOCI is presented net of tax benefits of $2,976,019 which are included in the provision for (benefit from) income taxes on the Company's Consolidated Statement of Operations for the nine months ended December 31, 2021.