| Schedule of Finite-Lived Intangible Assets [Table Text Block] |
| | | Customer relationships & distribution channel | | | Licenses, permits & applications | | | Non-compete agreements | | | Intellectual property, trademarks, knowhow & brands | | | May 31, | |
| | | | | | | | | | | | | | | 2025 | |
| Cost | | $ | 610,240 | | | $ | 387,238 | | | $ | 12,449 | | | $ | 618,514 | | | $ | 1,628,441 | |
| Accumulated amortization | | | (166,032 | ) | | | (9,693 | ) | | | (12,449 | ) | | | (155,084 | ) | | | (343,258 | ) |
| Accumulated impairment losses | | | (444,208 | ) | | | (367,022 | ) | | | — | | | | (452,530 | ) | | | (1,263,760 | ) |
| Total | | $ | — | | | $ | 10,523 | | | $ | — | | | $ | 10,900 | | | $ | 21,423 | |
| | | Customer relationships & distribution channel | | | Licenses, permits & applications | | | Non-compete agreements | | | Intellectual property, trademarks, knowhow & brands | | | May 31, | |
| | | | | | | | | | | | | | | 2024 | |
| Cost | | $ | 603,939 | | | $ | 368,057 | | | $ | 12,403 | | | $ | 608,672 | | | $ | 1,593,071 | |
| Accumulated amortization | | | (131,402 | ) | | | (7,525 | ) | | | (12,403 | ) | | | (110,428 | ) | | | (261,758 | ) |
| Accumulated impairment losses | | | (110,000 | ) | | | (180,373 | ) | | | — | | | | (125,471 | ) | | | (415,844 | ) |
| Total | | $ | 362,537 | | | $ | 180,159 | | | $ | — | | | $ | 372,773 | | | $ | 915,469 | |
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