CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS - USD ($) $ in Thousands	12 Months Ended
Apr. 30, 2022	Apr. 30, 2021	Apr. 30, 2020
Statement of Comprehensive Income [Abstract]
Net loss	$ (192,065)	$ (55,696)	$ (69,378)
Other comprehensive (loss) income
Unrealized (loss) gain on investment securities, net of tax	(2,229)	(343)	350
Total comprehensive loss	$ (194,294)	$ (56,039)	$ (69,028)

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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