v3.26.1
Note 14 - Segmented Information - Schedule of Revenue, Total Assets, and Long-term Assets by Geographic Segments (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Apr. 30, 2026
Apr. 30, 2025
Apr. 30, 2026
Apr. 30, 2025
Jul. 31, 2025
Revenue $ 0 $ 0 $ 20,200 $ 66,837  
Cost of sales 0 0 (10,172) (42,360)  
Depreciation, amortization and accretion (1,815) (1,405) (4,999) (3,048)  
Other operating expenses (1) [1] (38,971) (22,058) (99,200) (61,730)  
Income from equity-accounted investment 3,454 (2,255) 6,347 (3,722)  
Fair value loss on equity securities (19,432) (4,266) 653 (22,583)  
Interest expense and finance costs (402) (404) (1,625) (1,034)  
Interest income 4,221 571 10,887 2,897  
Other items 5 39 29 101  
Loss before income taxes (52,940) (29,778) (77,880) (62,936)  
Total assets 1,538,056 1,007,810 1,538,056 1,007,810 $ 1,107,653
Equity-accounted investments 63,779 55,566 63,779 55,566 $ 55,825
Capital additions 3,319 2,152 6,086 194,988  
Cost of sales 0 0 (10,172) (42,360)  
Loss from equity-accounted investment 3,454 (2,255) 6,347 (3,722)  
Fair value loss on equity securities (19,432) (4,266) 653 (22,583)  
Gain on revaluation of derivative liabilities 0 0 0 1,706  
Segment Reporting, Reconciling Item, Excluding Corporate Nonsegment [Member]          
Revenue 0 0 0 0  
Cost of sales 0 0 0 0  
Depreciation, amortization and accretion (6) (2) (13) (6)  
Other operating expenses (1) [1] (446) (99) (1,028) (938)  
Income from equity-accounted investment 0 0 0 0  
Fair value loss on equity securities 0 0 0 0  
Interest expense and finance costs (4) (4) (14) (14)  
Interest income 0 0 0 0  
Other items 1 1 3 4  
Loss before income taxes (455) (104) (1,052) (954)  
Total assets 21,046 20,800 21,046 20,800  
Equity-accounted investments 0 0 0 0  
Capital additions 0 0 81 52  
Cost of sales 0 0 0 0  
Loss from equity-accounted investment 0 0 0 0  
Fair value loss on equity securities 0 0 0 0  
Gain on revaluation of derivative liabilities       0  
Segment Reporting, Reconciling Item, Corporate Nonsegment [Member]          
Revenue 0 0 20,200 66,837  
Cost of sales 0 0 (10,172) (42,360)  
Depreciation, amortization and accretion (1) (3) (4) (7)  
Other operating expenses (1) [1] (7,520) (4,440) (19,310) (14,150)  
Income from equity-accounted investment 3,454 (2,255) 6,347 (3,722)  
Fair value loss on equity securities (19,432) (4,266) 653 (22,583)  
Interest expense and finance costs 0 (79) 0 (297)  
Interest income 4,221 570 10,887 2,896  
Other items (5) 80 (5) 297  
Loss before income taxes (19,283) (10,393) 8,596 (11,383)  
Total assets 733,182 208,773 733,182 208,773  
Equity-accounted investments 63,779 55,566 63,779 55,566  
Capital additions 0 0 0 0  
Cost of sales 0 0 (10,172) (42,360)  
Loss from equity-accounted investment 3,454 (2,255) 6,347 (3,722)  
Fair value loss on equity securities (19,432) (4,266) 653 (22,583)  
Gain on revaluation of derivative liabilities       1,706  
Mining, Wyoming [Member] | Operating Segments [Member]          
Revenue 0 0 0 0  
Cost of sales 0 0 0 0  
Depreciation, amortization and accretion (1,343) (1,098) (3,732) (2,386)  
Other operating expenses (1) [1] (17,995) (11,224) (45,672) (27,172)  
Income from equity-accounted investment 0 0 0 0  
Fair value loss on equity securities 0 0 0 0  
Interest expense and finance costs (333) (321) (1,099) (723)  
Interest income 0 0 0 0  
Other items (3) (1) (3) (1)  
Loss before income taxes (19,674) (12,644) (50,506) (30,282)  
Total assets 367,927 365,453 367,927 365,453  
Equity-accounted investments 0 0 0 0  
Capital additions 2,167 190 3,465 191,523  
Cost of sales 0 0 0 0  
Loss from equity-accounted investment 0 0 0 0  
Fair value loss on equity securities 0 0 0 0  
Gain on revaluation of derivative liabilities       0  
Mining, Texas [Member] | Operating Segments [Member]          
Revenue 0 0 0 0  
Cost of sales 0 0 0 0  
Depreciation, amortization and accretion (420) (264) (1,115) (536)  
Other operating expenses (1) [1] (7,547) (4,005) (21,057) (12,457)  
Income from equity-accounted investment 0 0 0 0  
Fair value loss on equity securities 0 0 0 0  
Interest expense and finance costs (65) 0 (512) 0  
Interest income 0 0 0 0  
Other items 8 (45) 21 (212)  
Loss before income taxes (8,024) (4,314) (22,663) (13,205)  
Total assets 34,897 33,739 34,897 33,739  
Equity-accounted investments 0 0 0 0  
Capital additions 1,152 1,962 2,483 3,140  
Cost of sales 0 0 0 0  
Loss from equity-accounted investment 0 0 0 0  
Fair value loss on equity securities 0 0 0 0  
Gain on revaluation of derivative liabilities       0  
Mining, Saskatchewan [Member] | Operating Segments [Member]          
Revenue 0 0 0 0  
Cost of sales 0 0 0 0  
Depreciation, amortization and accretion (45) (38) (135) (113)  
Other operating expenses (1) [1] (5,463) (2,290) (12,133) (7,013)  
Income from equity-accounted investment 0 0 0 0  
Fair value loss on equity securities 0 0 0 0  
Interest expense and finance costs 0 0 0 0  
Interest income 0 1 0 1  
Other items 4 4 13 13  
Loss before income taxes (5,504) (2,323) (12,255) (7,112)  
Total assets 381,004 379,045 381,004 379,045  
Equity-accounted investments 0 0 0 0  
Capital additions 0 0 57 273  
Cost of sales 0 0 0 0  
Loss from equity-accounted investment 0 0 0 0  
Fair value loss on equity securities $ 0 $ 0 $ 0 0  
Gain on revaluation of derivative liabilities       $ 0  
[1] Other operating expenses include mineral property expenditures and general and administrative expenses.