Note 22 - Segment Information - Schedule of Revenue, Total Assets, and Long-term Assets by Geographic Segments (Details) - USD ($) $ in Thousands		12 Months Ended
		Jul. 31, 2025	Jul. 31, 2024	Jul. 31, 2023	Jul. 31, 2022
Sales and service revenue		$ 66,837	$ 224	$ 164,389
Cost of sales and services		(42,360)	(187)	(114,719)
Depreciation, amortization and accretion		(4,474)	(2,183)	(2,007)
Other operating expenses(1)	[1]	(93,324)	(54,256)	(38,684)
Interest expense and finance costs		(1,446)	(827)	(805)
Loss from equity-accounted investment		(3,352)	1,017	(994)
Fair value loss on equity securities		(18,051)	27,505	(13,083)
Gain on revaluation of derivative liabilities		1,706	(8,226)	3,293
Interest income		4,022	2,629	350
Other items		7	49	(65)
LOSS BEFORE INCOME TAXES		(90,435)	(34,255)	(2,437)
Total assets		1,107,653	889,828	737,589
Equity-accounted investments		55,825	58,809	48,110	$ 24,177
Capital additions		195,937	3,457	387,216
Impairment loss on mineral properties		0		(112)
Operating Segments [Member] | Mining, Wyoming [Member]
Sales and service revenue		0	224	439
Cost of sales and services		0	(187)	(367)
Depreciation, amortization and accretion		(3,485)	(1,584)	(1,526)
Other operating expenses(1)	[1]	(42,895)	(12,609)	(7,143)
Interest expense and finance costs		(1,046)	(555)	0
Loss from equity-accounted investment		0	0	0
Fair value loss on equity securities		0	0	0
Gain on revaluation of derivative liabilities		0	0	0
Interest income		0	0	0
Other items		(109)	(30)	(545)
LOSS BEFORE INCOME TAXES		(47,535)	(14,741)	(9,142)
Total assets		366,177	169,740	169,706
Equity-accounted investments		0	0	0
Capital additions		191,826	646	62
Impairment loss on mineral properties				0
Operating Segments [Member] | Mining, Texas [Member]
Sales and service revenue		0	0	0
Cost of sales and services		0	0	0
Depreciation, amortization and accretion		(822)	(500)	(460)
Other operating expenses(1)	[1]	(20,707)	(12,208)	(7,786)
Interest expense and finance costs		0	0	0
Loss from equity-accounted investment		0	0	0
Fair value loss on equity securities		0	0	0
Gain on revaluation of derivative liabilities		0	0	0
Interest income		0	0	0
Other items		(290)	(204)	(183)
LOSS BEFORE INCOME TAXES		(21,819)	(12,912)	(8,429)
Total assets		34,849	23,776	23,500
Equity-accounted investments		0	0	0
Capital additions		3,736	408	355
Impairment loss on mineral properties				0
Operating Segments [Member] | Mining, Saskatchewan [Member]
Sales and service revenue		0	0	0
Cost of sales and services		0	0	0
Depreciation, amortization and accretion		(151)	(84)	(3)
Other operating expenses(1)	[1]	(8,491)	(11,706)	(5,134)
Interest expense and finance costs		0	0	(563)
Loss from equity-accounted investment		0	(1,440)	(2,062)
Fair value loss on equity securities		0	(37)	(19)
Gain on revaluation of derivative liabilities		0	0	0
Interest income		2	1	36
Other items		21	19	1,015
LOSS BEFORE INCOME TAXES		(8,619)	(13,247)	(6,842)
Total assets		378,517	378,368	386,356
Equity-accounted investments		0	0	0
Capital additions		273	2,281	386,684
Impairment loss on mineral properties				(112)
Segment Reporting, Reconciling Item, Excluding Corporate Nonsegment [Member]
Sales and service revenue		0	0	0
Cost of sales and services		0	0	0
Depreciation, amortization and accretion		(7)	(11)	(6)
Other operating expenses(1)	[1]	(1,190)	(16,830)	(1,596)
Interest expense and finance costs		(19)	(253)	(19)
Loss from equity-accounted investment		0	2,457	0
Fair value loss on equity securities		0	27,542	0
Gain on revaluation of derivative liabilities		0	(8,226)	0
Interest income		0	2,628	0
Other items		4	254	2
LOSS BEFORE INCOME TAXES		(1,212)	7,561	(1,619)
Total assets		20,883	297,155	20,658
Equity-accounted investments		0	58,809	0
Capital additions		102	3	100
Impairment loss on mineral properties				0
Segment Reporting, Reconciling Item, Corporate Nonsegment [Member]
Sales and service revenue		66,837	0	163,950
Cost of sales and services		(42,360)	0	(114,352)
Depreciation, amortization and accretion		(9)	(4)	(12)
Other operating expenses(1)	[1]	(20,041)	(903)	(17,025)
Interest expense and finance costs		(381)	(19)	(223)
Loss from equity-accounted investment		(3,352)	0	1,068
Fair value loss on equity securities		(18,051)	0	(13,064)
Gain on revaluation of derivative liabilities		1,706	0	3,293
Interest income		4,020	0	314
Other items		381	10	(354)
LOSS BEFORE INCOME TAXES		(11,250)	(916)	23,595
Total assets		307,227	20,789	137,369
Equity-accounted investments		55,825	0	48,110
Capital additions		$ 0	$ 119	15
Impairment loss on mineral properties				$ 0

[1] Other operating expenses include mineral property expenditures and general and administrative expenses.