Accounts Receivable (Tables)

12 Months Ended

Apr. 30, 2022

Receivables [Abstract]

Accounts Receivable Balance

Accounts receivable consisted of the following at April 30, 2022 and 2021:

	April 30,
	2022		2021
Total accounts receivable, gross	$	39,226,054	$	30,264,393
Long-term contractual accounts receivable	(11,406,525)		(10,249,833)
Accounts receivable, gross	27,819,529		20,014,560
Less: allowance for doubtful accounts	(3,460,288)		(3,289,816)
Accounts receivable, net	$	24,359,241	$	16,724,744