Prepaid Expenses and Other (Details) - USD ($) $ in Thousands	May 31, 2023	May 31, 2022
Prepaid expenses and other
Deposits	$ 894	$ 2,106
Employee Retention Tax Credit	0	4,194
Software licenses	1,501	1,255
License fees	217	172
Trade shows	448	328
Rent	191	240
Other prepaid taxes	264	328
Other	1,102	2,201
Total	$ 4,617	$ 10,824