Accrued expenses

12 Months Ended

Apr. 30, 2020

Payables and Accruals [Abstract]

Accrued expenses

Accrued expenses consisted of the following at April 30, 2020 and 2019:

	April 30,
	2020		2019
Accrued compensation	$	—	$	226,805
Accrued interest	49,863		135,115
Other accrued expenses	487,550		289,498
Accrued expenses	$	537,413	$	651,418