Note 21 - Income Taxes (Tables)

12 Months Ended

Jul. 31, 2025

Notes Tables

Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]

	Year Ended July 31,
	2025			2024			2023
Federal income tax provision rate		21.00	%		21.00	%		21.00	%
State income tax provision rate, net of federal income tax effect		2.89	%		2.89	%		2.89	%
Total income tax provision rate		23.89	%		23.89	%		23.89	%

Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]

	Year Ended July 31,
	2025			2024			2023
Loss before income taxes	$	(90,435	)	$	(34,255	)	$	(2,437	)
Corporate tax rate		23.89	%		23.89	%		23.89	%
Expected tax expense (recovery)		(21,605	)		(8,184	)		(582	)
Increase (decrease) resulting from
Foreign tax rate differences		(186	)		(151	)		(83	)
Permanent differences		(317	)		4,155			1,486
Prior year true-up		164			(81	)		(464	)
Change in state tax rate		982			77			(182	)
Foreign exchange rate differences		330			(1,231	)		1,687
Other		-			-			1,138
Change in valuation allowance		17,853			381			(2,130	)
Deferred tax expense (recovery)	$	(2,779	)	$	(5,034	)	$	870

Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block]

	Year Ended July 31,
	2025			2024			2023
United States	$	(80,506	)	$	(13,928	)	$	5,192
Canada		(9,206	)		(19,468	)		(6,720	)
Paraguay		(723	)		(859	)		(909	)
	$	(90,435	)	$	(34,255	)	$	(2,437	)

Schedule of Deferred Tax Assets and Liabilities [Table Text Block]

	July 31, 2025			July 31, 2024
Deferred tax assets (liabilities)
Mineral properties	$	60		$	2,107
Exploration costs		9,098			6,176
Stock option expense		2,985			2,448
Depreciable property		1,085			1,098
Inventories		296			334
Asset retirement obligations		6,280			4,267
Investment in equity securities		(3,745	)		(3,351	)
Equity accounted for investment		1,953			(4,190	)
Other		(3,423	)		(3,643	)
Section 163(j) interest expense carry forwards		3,307			3,307
Loss carry forwards		83,499			72,214
		101,395			80,767
Valuation allowance		(96,976	)		(78,741	)
Deferred tax assets		4,419			2,026
Deferred tax liabilities
Mineral properties		(66,542	)		(66,373	)
Net deferred tax liabilities	$	(62,123	)	$	(64,347	)

Summary of Operating Loss Carryforwards [Table Text Block]

July 31, 2026	$	4,703
July 31, 2027		3,171
July 31, 2028		2,798
July 31, 2029		10,332
July 31, 2030		9,183
Between July 31, 2031 and 2037		146,045
No expiry		167,234
	$	343,466

July 31, 2027	$	132
July 31, 2028		455
July 31, 2029		556
July 31, 2030		552
July 31, 2031		706
Remaining balance		5,849
	$	8,250