Note 12 - Income Taxes and Deferred Income Taxes (Tables)
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12 Months Ended |
May 31, 2026 |
| Notes Tables |
|
| Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block] |
| | | For the year ended May 31, | |
| | | 2026 | | | 2025 | | | 2024 | |
| United States | | $ | (115,357 | ) | | $ | (1,648,187 | ) | | $ | (126,735 | ) |
| Canada | | | (17,409 | ) | | | (277,811 | ) | | | (106,822 | ) |
| Other countries | | | 44,706 | | | | (376,375 | ) | | | (15,463 | ) |
| | | $ | (88,060 | ) | | $ | (2,302,373 | ) | | $ | (249,020 | ) |
|
| Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] |
| | | For the year ended | |
| | | May 31, 2026 | |
| Current: | | | | |
| Federal | | $ | 164 | |
| State | | | 1,302 | |
| Foreign | | | 7,617 | |
| Total | | $ | 9,083 | |
| | | | | |
| Deferred: | | | | |
| Federal | | $ | (10,552 | ) |
| State | | | 1,572 | |
| Foreign | | | 16,995 | |
| Total | | $ | 8,015 | |
| Income tax expense, net | | $ | 17,098 | |
| | | For the year ended May 31, | |
| | | 2025 | | | 2024 | |
| Current: | | | | | | | | |
| United States | | $ | 1,974 | | | $ | 497 | |
| Canada | | | 177 | | | | 10,819 | |
| Other countries | | | 2,343 | | | | 940 | |
| | | $ | 4,494 | | | $ | 12,256 | |
| | | | | | | | | |
| Deferred: | | | | | | | | |
| United States | | $ | (10,015 | ) | | $ | (723 | ) |
| Canada | | | (7,435 | ) | | | (33,422 | ) |
| Other countries | | | (108,061 | ) | | | (4,727 | ) |
| | | $ | (125,511 | ) | | $ | (38,872 | ) |
| Income tax benefits, net | | $ | (121,017 | ) | | $ | (26,616 | ) |
|
| Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] |
| | | For the year ended May 31, | |
| | | 2026 | |
| | | Amount | | | Percent | |
| Expected Income Tax Expense at the Federal Statutory Rate of 21% | | $ | (18,492 | ) | | | 21.0 | % |
| | | | | | | | | |
| Domestic | | | | | | | | |
| Imputed Interest | | | 6,314 | | | | (7.2 | )% |
| Pre-tax book income (loss) from DRE's | | | 6,229 | | | | (7.1 | )% |
| Section 162(m) | | | 2,862 | | | | (3.3 | )% |
| Return-to-provision and other prior period adjustments(2) | | | 28,318 | | | | (32.2 | )% |
| Changes in valuation allowances | | | (23,772 | ) | | | 27.0 | % |
| Other | | | (1,578 | ) | | | 1.8 | % |
| State and Local Income Taxes, Net of Federal Income Tax Effect(1) | | | 2,875 | | | | (3.3 | )% |
| Foreign Tax Effects | | | | | | | | |
| Canada | | | | | | | | |
| Tax rate differential | | | 1,893 | | | | (2.1 | )% |
| Non-taxable portion of investment gains | | | (3,053 | ) | | | 3.5 | % |
| Foreign exchange on subsidiaries | | | (3,005 | ) | | | 3.4 | % |
| Return-to-provision and other prior period adjustments | | | (1,593 | ) | | | 1.8 | % |
| Changes in valuation allowances(3) | | | 20,187 | | | | (22.9 | )% |
| Other | | | 394 | | | | (0.4 | )% |
| Germany | | | | | | | | |
| Tax rate differential | | | 1,572 | | | | (1.8 | )% |
| Return-to-provision adjustments | | | (2,076 | ) | | | 2.4 | % |
| Changes in valuation allowances | | | (103 | ) | | | 0.1 | % |
| Other | | | 2 | | | | (0.0 | )% |
| Portugal | | | | | | | | |
| Tax rate differential | | | (196 | ) | | | 0.2 | % |
| Other | | | 371 | | | | (0.4 | )% |
| Other Foreign Jurisdictions | | | (51 | ) | | | 0.1 | % |
| Effective Tax Rate | | $ | 17,098 | | | | (92.5 | )% |
| | | For the year ended May 31, | |
| | | 2025 | | | 2024 | |
| Loss before net income taxes: | | $ | (2,302,373 | ) | | $ | (249,020 | ) |
| Income tax recovery at statutory rate of 21% | | | (483,708 | ) | | | (51,325 | ) |
| Tax impact of foreign operations | | | (41,680 | ) | | | (5,661 | ) |
| Foreign exchange and other | | | (14,371 | ) | | | (15,586 | ) |
| Non-deductible expenses | | | 6,292 | | | | 6,147 | |
| Non-deductible (taxable) losses | | | 32 | | | | (682 | ) |
| Changes in enacted rates | | | (3,908 | ) | | | 2,394 | |
| Nondeductible Impairment | | | 285,582 | | | | — | |
| Change in fair value of warrant liability | | | (454 | ) | | | 302 | |
| Return to provision and other prior year items | | | (33,098 | ) | | | 16,933 | |
| State Provision, net of federal benefit | | | (14,794 | ) | | | 612 | |
| Change in valuation allowance | | | 179,090 | | | | 20,250 | |
| Income tax recovery, net | | $ | (121,017 | ) | | $ | (26,616 | ) |
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| Schedule of Income Taxes Paid [Table Text Block] |
| | | For the year ended | |
| | | May 31, 2026 | |
| United States | | | | |
| Federal | | $ | 397 | |
| State | | | | |
| New York | | | 803 | |
| Colorado | | | 13 | |
| Illinois | | | 14 | |
| Massachusetts | | | 12 | |
| North Carolina | | | 25 | |
| New Jersey | | | 17 | |
| Oregon | | | 35 | |
| South Carolina | | | 21 | |
| Tennessee | | | 29 | |
| Other State | | | 53 | |
| | | | 1,419 | |
| Foreign | | | | |
| Canada | | | | |
| Federal | | | (529 | ) |
| British Columbia | | | (468 | ) |
| Ontario | | | 38 | |
| Germany | | | (225 | ) |
| | | | (1,184 | ) |
| Grand Total | | $ | 235 | |
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| Schedule of Deferred Tax Assets and Liabilities [Table Text Block] |
| | | For the year ended May 31, | |
| | | 2026 | | | 2025 | |
| Deferred assets | | | | | | | | |
| Operating loss carryforwards - United States | | $ | 73,188 | | | $ | 66,048 | |
| Operating loss carryforwards - Canada | | | 437,272 | | | | 408,718 | |
| Operating loss carryforwards - Other Countries | | | 16,196 | | | | 13,388 | |
| Capital loss carryforwards | | | 57,869 | | | | 35,603 | |
| Intangible assets | | | 304,067 | | | | 350,527 | |
| Property and equipment | | | 30,793 | | | | 27,567 | |
| Investments and convertible notes receivable | | | 44,361 | | | | 43,317 | |
| Investment tax credits and related pool balance | | | 1,996 | | | | 2,249 | |
| Accruals | | | 12,199 | | | | 20,932 | |
| Stock Compensation | | | 26,596 | | | | 21,599 | |
| Restricted interest carried forward | | | 3,938 | | | | — | |
| Other Deferred Items | | | 16,924 | | | | 21,319 | |
| Total Deferred tax assets | | | 1,025,399 | | | | 1,011,267 | |
| Less valuation allowance | | | (997,361 | ) | | | (968,929 | ) |
| Net deferred tax assets | | | 28,038 | | | | 42,338 | |
| Deferred tax liabilities | | | | | | | | |
| Property and equipment | | | (28,800 | ) | | | (20,419 | ) |
| Intangible assets | | | (8,263 | ) | | | (1,418 | ) |
| Convertible Debentures Payable | | | (3 | ) | | | (129 | ) |
| Other Deferred Items | | | (3,228 | ) | | | (24,120 | ) |
| Total deferred tax liabilities | | | (40,294 | ) | | | (46,086 | ) |
| Total Deferred Tax Asset/(Liability) | | $ | (12,256 | ) | | $ | (3,748 | ) |
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