Note 1 - Nature of Operations (Details Textual) |
Aug. 31, 2020 |
May 31, 2020 |
|---|---|---|
| Number of Wholly Owned Subsidiaries | 3 | |
| Number of Stores | 82 | |
| Number of States in which Entity Operates | 22 | |
| Franchised Units [Member] | ||
| Number of Stores | 72 | |
| Licensed Units [Member] | ||
| Number of Stores | 7 | |
| Units Under Development [Member] | ||
| Number of Stores | 3 |