Consolidated Statements of Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended
	Aug. 31, 2022	Aug. 31, 2021
Statement of Comprehensive Income [Abstract]
Net loss	$ (13,004)	$ (6,972)
Other comprehensive income (loss), before tax:
Foreign currency translation	(550)	590
Other comprehensive income (loss), before tax	(550)	590
Income tax expense related to items of other comprehensive income (loss)	0	0
Other comprehensive income (loss), net of tax	(550)	590
Total comprehensive loss, net of tax	$ (13,554)	$ (6,382)