Note 4 - Mineral Rights and Properties (Tables)

6 Months Ended

Jan. 31, 2026

Notes Tables

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

Costs	United States		Canada		Paraguay		Total
Balance, July 31, 2025	$	326,192	$	376,027	$	15,014	$	717,233
Additions		715		-		-		715
Impact of foreign currency translation		-		3,214		-		3,214
Balance, January 31, 2026		326,907		379,241		15,014		721,162

Accumulated Depletion and Amortization	United States			Canada			Paraguay		Total
Balance, July 31, 2025		(7,477	)		(105	)		-		(7,582	)
Additions		(592	)		-			-		(592	)
Impact of foreign currency translation		-			(2	)		-		(2	)
Balance, January 31, 2026		(8,069	)		(107	)		-		(8,176	)
Carrying Value
Balance, July 31, 2025	$	318,715		$	375,922		$	15,014	$	709,651
Balance, January 31, 2026	$	318,838		$	379,134		$	15,014	$	712,986

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

	Three Months Ended January 31,				Six Months Ended January 31,
	2026		2025		2026		2025
Permitting and land payments	$	2,709	$	1,556	$	4,065	$	3,095
Extraction readiness and mine site maintenance		2,359		4,180		4,762		6,556
Exploration		4,323		923		8,040		5,840
Development		14,289		7,584		27,733		12,266
Total	$	23,680	$	14,243	$	44,600	$	27,757