Income Taxes (Unrecognized Tax Benefits) (Details) - USD ($)	12 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Mar. 31, 2021
Reconciliation of the beginning and ending amount of unrecognized tax benefits [Roll Forward]
Unrecognized tax benefit balance beginning of year	$ 1,616,116	$ 1,811,244	$ 4,351,811
Gross increases for tax positions of current year	129,146	153,754	36,541
Settlements with tax authorities	0	0	(1,968,702)
Lapse of statute of limitations	(927,037)	(348,882)	(608,406)
Unrecognized tax benefit balance end of year	$ 818,225	$ 1,616,116	$ 1,811,244