Accrued Expenses (Tables)

3 Months Ended

Jul. 31, 2020

Payables And Accruals [Abstract]

Schedule of Accrued Expenses

Accrued expenses consisted of the following as of July 31, 2020 and April 30, 2020 (in thousands):

	July 31,		April 30,
	2020		2020
Compensation expense	$	2,945	$	2,821
Research expense		2,970		2,333
Professional fees		208		173
Other expenses		47		128
	$	6,170	$	5,455