Property and Equipment (Tables)

12 Months Ended

Apr. 30, 2022

Property, Plant and Equipment [Abstract]

Components of Property and Equipment

At April 30, 2022 and 2021, property and equipment consisted of (in thousands):

	2022			2021
Laboratory equipment	$	2,153		$	1,748
Office equipment		148			45
Furniture & fixtures		299			215
Leasehold improvements		1,997			1,872
Total property and equipment at cost		4,597			3,880
Less: Accumulated depreciation		(2,419	)		(2,089	)
Property and equipment, net	$	2,178		$	1,791