Leases - Supplemental Statement of Operations Information (Details) - USD ($) $ in Thousands	3 Months Ended
	Aug. 31, 2024	Aug. 31, 2023
Lessee, Lease, Description [Line Items]
Non-cash lease expense	$ 679	$ 627
Cost of sales
Lessee, Lease, Description [Line Items]
Non-cash lease expense	230	197
Research and development
Lessee, Lease, Description [Line Items]
Non-cash lease expense	109	58
Sales and marketing
Lessee, Lease, Description [Line Items]
Non-cash lease expense	40	40
General and administrative
Lessee, Lease, Description [Line Items]
Non-cash lease expense	$ 300	$ 332