Note H - Derivative Financial Instruments - Change in Accumulated Other Comprehensive Income (Loss), Net of Tax (Details) - USD ($)		3 Months Ended
		Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2021
Balance		$ 79,686,648		$ 65,339,976
Other comprehensive income, net of loss, before reclassification			$ (16,359,735)
Total loss reclassified from AOCI (1)			(2,666,398)
Net current period other comprehensive income		7,174,117	(13,693,337)	(13,693,337)
Balance		102,715,030	62,942,275	62,942,275
Total loss reclassified from AOCI (1)			2,666,398
Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member]
Balance		(10,268,509)	(11,187,841)
Other comprehensive income, net of loss, before reclassification		6,699,222
Total loss reclassified from AOCI (1)	[1]	474,895
Net current period other comprehensive income		7,174,117
Balance		(3,094,392)	$ (24,881,178)	$ (24,881,178)
Total loss reclassified from AOCI (1)	[1]	$ (474,895)

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