Note 7 - Mineral Rights and Properties (Tables)

12 Months Ended

Jul. 31, 2025

Notes Tables

Schedule Of Mineral Rights and Property Acquisition Costs [Table Text Block]

Costs	United States			Canada			Paraguay		Total
Balance at July 31, 2023	$	172,440		$	384,607		$	15,014	$	572,061
Additions		100			1,340			-		1,440
Impact of foreign currency translation		-			(9,424	)		-		(9,424	)
Balance at July 31, 2024		172,540			376,523			15,014		564,077
Sweetwater Acquisition		145,749			-			-		145,749
Additions		215			1			-		216
Assets retirement obligations (Note 13)		7,688			-			-		7,688
Impact of foreign currency translation		-			(497	)		-		(497	)
Balance at July 31, 2025	$	326,192		$	376,027		$	15,014	$	717,233
Accumulated Depletion, Amortization and Impairment	United States			Canada			Paraguay		Total
Balance at July 31, 2023	$	(6,389	)	$	(112	)	$	-	$	(6,501	)
Additions		-			-			-		-
Impact of foreign currency translation		-			7			-		7
Balance at July 31, 2024		(6,389	)		(105	)		-		(6,494	)
Additions		-			-			-		-
Impairment		-			-			-		-
Additions		(1,088	)		-			-		(1,088	)
Balance at July 31, 2025	$	(7,477	)	$	(105	)	$	-	$	(7,582	)
Carrying Value
Balance at July 31, 2024	$	166,151		$	376,418		$	15,014	$	557,583
Balance at July 31, 2025	$	318,715		$	375,922		$	15,014	$	709,651

Schedule Of Mineral Property Expenditures Incurred by Major Projects [Table Text Block]

	Year Ended July 31,
	2025		2024		2023
Permitting and compliance	$	1,167	$	1,895	$	396
Property maintenance		4,974		3,986		3,608
Exploration		11,140		14,669		9,308
Development		33,891		6,650		1,749
Production readiness		14,892		5,183		3,559
Total	$	66,064	$	32,383	$	18,620