Note 4 - Inventory - Summary of Inventory (Details) - USD ($) |
Aug. 31, 2026 |
May 31, 2026 |
|---|---|---|
| Raw materials | $ 1,947,606 | $ 2,000,047 |
| Finished goods | 572,339 | 687,690 |
| Total inventory | $ 2,519,945 | $ 2,687,737 |
| 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/disclosureRef
|
| 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
|