| Segment Reporting [Table Text Block] |
| | Three Months Ended April 30, 2026 | |
| | Mining | | | Corporate | | | Total | |
Statement of Operations | | Wyoming | | | Texas | | | Saskatchewan | | | Others | | | | | | | | | |
Sales | | $ | - | | | $ | - | | | $ | - | | | $ | - | | | $ | - | | | $ | - | |
Cost of sales | | | - | | | | - | | | | - | | | | - | | | | - | | | | - | |
Depreciation, amortization and accretion | | | (1,343 | ) | | | (420 | ) | | | (45 | ) | | | (6 | ) | | | (1 | ) | | | (1,815 | ) |
Other operating expenses (1) | | | (17,995 | ) | | | (7,547 | ) | | | (5,463 | ) | | | (446 | ) | | | (7,520 | ) | | | (38,971 | ) |
Other income (expenses) | | | | | | | | | | | | | | | | | | | | | | | | |
Income from equity-accounted investment | | | - | | | | - | | | | - | | | | - | | | | 3,454 | | | | 3,454 | |
Fair value loss on equity securities | | | - | | | | - | | | | - | | | | - | | | | (19,432 | ) | | | (19,432 | ) |
Interest expense and finance costs | | | (333 | ) | | | (65 | ) | | | - | | | | (4 | ) | | | - | | | | (402 | ) |
Interest income | | | - | | | | - | | | | - | | | | - | | | | 4,221 | | | | 4,221 | |
Other items | | | (3 | ) | | | 8 | | | | 4 | | | | 1 | | | | (5 | ) | | | 5 | |
Loss before income taxes | | $ | (19,674 | ) | | $ | (8,024 | ) | | $ | (5,504 | ) | | $ | (455 | ) | | $ | (19,283 | ) | | $ | (52,940 | ) |
| | | | | | | | | | | | | | | | | | | | | | | | |
Total assets | | $ | 367,927 | | | $ | 34,897 | | | $ | 381,004 | | | $ | 21,046 | | | $ | 733,182 | | | $ | 1,538,056 | |
Equity-accounted investments | | $ | - | | | $ | - | | | $ | - | | | $ | - | | | $ | 63,779 | | | $ | 63,779 | |
Capital additions | | $ | 2,167 | | | $ | 1,152 | | | $ | - | | | $ | - | | | $ | - | | | $ | 3,319 | |
| | Three Months Ended April 30, 2025 | |
| | Mining | | | Corporate | | | Total | |
Statement of Operations | | Wyoming | | | Texas | | | Saskatchewan | | | Others | | | | | | | | | |
Sales | | $ | - | | | $ | - | | | $ | - | | | $ | - | | | $ | - | | | $ | - | |
Cost of sales | | | - | | | | - | | | | - | | | | - | | | | - | | | | - | |
Depreciation, amortization and accretion | | | (1,098 | ) | | | (264 | ) | | | (38 | ) | | | (2 | ) | | | (3 | ) | | | (1,405 | ) |
Other operating expenses (1) | | | (11,224 | ) | | | (4,005 | ) | | | (2,290 | ) | | | (99 | ) | | | (4,440 | ) | | | (22,058 | ) |
Other income (expenses) | | | | | | | | | | | | | | | | | | | | | | | | |
Loss from equity-accounted investment | | | - | | | | - | | | | - | | | | - | | | | (2,255 | ) | | | (2,255 | ) |
Fair value loss on equity securities | | | - | | | | - | | | | - | | | | - | | | | (4,266 | ) | | | (4,266 | ) |
Interest expense and finance costs | | | (321 | ) | | | - | | | | - | | | | (4 | ) | | | (79 | ) | | | (404 | ) |
Interest income | | | - | | | | - | | | | 1 | | | | - | | | | 570 | | | | 571 | |
Other items | | | (1) | | | | (45 | ) | | | 4 | | | | 1 | | | | 80 | | | | 39 | |
Loss before income taxes | | $ | (12,644 | ) | | $ | (4,314 | ) | | $ | (2,323 | ) | | $ | (104 | ) | | $ | (10,393) | | | $ | (29,778 | ) |
| | | | | | | | | | | | | | | | | | | | | | | | |
Total assets | | $ | 365,453 | | | $ | 33,739 | | | $ | 379,045 | | | $ | 20,800 | | | $ | 208,773 | | | $ | 1,007,810 | |
Equity-accounted investments | | $ | - | | | $ | - | | | $ | - | | | $ | - | | | $ | 55,566 | | | $ | 55,566 | |
Capital additions | | $ | 190 | | | $ | 1,962 | | | $ | - | | | $ | - | | | $ | - | | | $ | 2,152 | |
| | Nine Months Ended April 30, 2026 | |
| | Mining | | | Corporate | | | Total | |
Statement of Operations | | Wyoming | | | Texas | | | Saskatchewan | | | Others | | | | | | | | | |
Sales | | $ | - | | | $ | - | | | $ | - | | | $ | - | | | $ | 20,200 | | | $ | 20,200 | |
Cost of sales | | | - | | | | - | | | | - | | | | - | | | | (10,172 | ) | | | (10,172 | ) |
Depreciation, amortization and accretion | | | (3,732 | ) | | | (1,115 | ) | | | (135 | ) | | | (13 | ) | | | (4 | ) | | | (4,999 | ) |
Other operating expenses (1) | | | (45,672 | ) | | | (21,057 | ) | | | (12,133 | ) | | | (1,028 | ) | | | (19,310 | ) | | | (99,200 | ) |
Other income (expenses) | | | | | | | | | | | | | | | | | | | | | | | | |
Income from equity-accounted investment | | | - | | | | - | | | | - | | | | - | | | | 6,347 | | | | 6,347 | |
Fair value gain on equity securities | | | - | | | | - | | | | - | | | | - | | | | 653 | | | | 653 | |
Interest expense and finance costs | | | (1,099 | ) | | | (512 | ) | | | - | | | | (14 | ) | | | - | | | | (1,625 | ) |
Interest income | | | - | | | | - | | | | - | | | | - | | | | 10,887 | | | | 10,887 | |
Other items | | | (3) | | | | 21 | | | | 13 | | | | 3 | | | | (5) | | | | 29 | |
Income (loss) before income taxes | | $ | (50,506 | ) | | $ | (22,663 | ) | | $ | (12,255 | ) | | $ | (1,052 | ) | | $ | 8,596 | | | $ | (77,880 | ) |
| | | | | | | | | | | | | | | | | | | | | | | | |
Capital additions | | $ | 3,465 | | | $ | 2,483 | | | $ | 57 | | | $ | 81 | | | $ | - | | | $ | 6,086 | |
| | Nine Months Ended April 30, 2025 | |
| | Mining | | | Corporate | | | Total | |
Statement of Operations | | Wyoming | | | Texas | | | Saskatchewan | | | Others | | | | | | | | | |
Sales | | $ | - | | | $ | - | | | $ | - | | | $ | - | | | $ | 66,837 | | | $ | 66,837 | |
Cost of sales | | | - | | | | - | | | | - | | | | - | | | | (42,360 | ) | | | (42,360 | ) |
Depreciation, amortization and accretion | | | (2,386 | ) | | | (536 | ) | | | (113 | ) | | | (6 | ) | | | (7 | ) | | | (3,048 | ) |
Other operating expenses (1) | | | (27,172 | ) | | | (12,457 | ) | | | (7,013 | ) | | | (938 | ) | | | (14,150 | ) | | | (61,730 | ) |
Other income (expenses) | | | | | | | | | | | | | | | | | | | | | | | | |
Loss from equity-accounted investment | | | - | | | | - | | | | - | | | | - | | | | (3,722 | ) | | | (3,722 | ) |
Fair value loss on equity securities | | | - | | | | - | | | | - | | | | - | | | | (22,583 | ) | | | (22,583 | ) |
Gain on revaluation of derivative liabilities | | | - | | | | - | | | | - | | | | - | | | | 1,706 | | | | 1,706 | |
Interest expense and finance costs | | | (723 | ) | | | - | | | | - | | | | (14 | ) | | | (297 | ) | | | (1,034 | ) |
Interest income | | | - | | | | - | | | | 1 | | | | - | | | | 2,896 | | | | 2,897 | |
Other items | | | (1) | | | | (212 | ) | | | 13 | | | | 4 | | | | 297 | | | | 101 | |
Loss before income taxes | | $ | (30,282 | ) | | $ | (13,205 | ) | | $ | (7,112 | ) | | $ | (954 | ) | | $ | (11,383 | ) | | $ | (62,936 | ) |
| | | | | | | | | | | | | | | | | | | | | | | | |
Capital additions | | $ | 191,523 | | | $ | 3,140 | | | $ | 273 | | | $ | 52 | | | $ | - | | | $ | 194,988 | |
|