Note 1 - Nature of Operations (Details Textual)	May 31, 2025	May 31, 2024
Number of Wholly Owned Subsidiaries	3
Number of Stores	69	72
Number of States in which Entity Operates	18
Franchised Units [Member]
Number of Stores	61	64
Licensed Units [Member]
Number of Stores	4	4
Units Under Development [Member]
Number of Stores	4