Note 4 - Inventory - Summary of Inventory (Details) - USD ($) |
Nov. 30, 2025 |
May 31, 2025 |
|---|---|---|
| Raw materials | $ 1,928,552 | $ 2,137,159 |
| Finished goods | 884,966 | 1,346,879 |
| Total inventory | $ 2,813,518 | $ 3,484,038 |
| X | ||||||||||
- Definition Amount before valuation and LIFO reserves of completed merchandise or goods expected to be sold within one year or operating cycle, if longer. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Definition Amount before valuation and LIFO reserves of raw materials expected to be sold, or consumed within one year or operating cycle, if longer. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|