Consolidated Statements Comprehensive Income (Loss) - USD ($) $ in Thousands	12 Months Ended
	May 31, 2023	May 31, 2022	May 31, 2021
Statement of Comprehensive Income [Abstract]
Net loss	$ (52,442)	$ (26,547)	$ (31,548)
Other comprehensive income (loss), before tax:
Foreign currency translation gain (loss)	(6,080)	(1,796)	4,494
Other comprehensive income (loss), before tax	(6,080)	(1,796)	4,494
Income tax benefit (expense) related to items of other comprehensive income (loss)	0	0	0
Other comprehensive income (loss), net of tax	(6,080)	(1,796)	4,494
Total comprehensive loss, net of tax	$ (58,522)	$ (28,343)	$ (27,054)