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Note 18 - Commitments and Contingencies (Tables) | 3 Months Ended
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Aug. 31, 2025
Notes Tables |
Contractual Obligation, Fiscal Year Maturity [Table Text Block] |
|  | Total |  |  | 2026 |  |  | 2027 |  |  | 2028 |  |  | 2029 |  |  | Thereafter |
Long-term debt repayment |  | $ | 161,572 |  |  | $ | 16,295 |  |  | $ | 16,241 |  |  | $ | 96,436 |  |  | $ | 3,531 |  |  | $ | 29,069 |
Convertible debentures payable |  |  | 100,000 |  |  |  | — |  |  |  | — |  |  |  | 100,000 |  |  |  | — |  |  |  | — |
Material purchase obligations |  |  | 73,691 |  |  |  | 41,073 |  |  |  | 26,580 |  |  |  | 6,038 |  |  |  | — |  |  |  | — |
Construction commitments |  |  | 888 |  |  |  | 888 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Total |  | $ | 336,151 |  |  | $ | 58,256 |  |  | $ | 42,821 |  |  | $ | 202,474 |  |  | $ | 3,531 |  |  | $ | 29,069 |

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