Note 10 - Other Comprehensive Income (Loss) (Tables)

12 Months Ended

Mar. 31, 2022

Notes Tables

Comprehensive Income (Loss) [Table Text Block]

	Twelve Months Ended March 31, 2022
	Before-Tax		Tax Provision			Net-of-Tax
Cash flow hedges	$	1,212,200	$	(292,868	)	$	919,332
Other comprehensive income	$	1,212,200	$	(292,868	)	$	919,332

	Twelve Months Ended March 31, 2021
	Before-Tax			Tax Benefit		Net-of-Tax
Cash flow hedges	$	(14,751,900	)	$	3,564,059	$	(11,187,841	)
Other comprehensive loss	$	(14,751,900	)	$	3,564,059	$	(11,187,841	)