Note 4 - Mineral Rights and Properties (Tables)

3 Months Ended

Oct. 31, 2024

Notes Tables

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

Costs	United States		Canada			Paraguay		Total
Balance, July 31, 2024	$	172,540	$	376,523		$	15,014	$	564,077
Additions		114		-			-		114
Impact of foreign currency translation		-		(1,514	)		-		(1,514	)
Balance, October 31, 2024		172,654		375,009			15,014		562,677

Accumulated Depletion and Amortization	United States			Canada			Paraguay		Total
Balance, July 31, 2024		(6,389	)		(105	)		-		(6,494	)
Additions		(226	)		-			-		(226	)
Impact of foreign currency translation		-			1			-		1
Balance, October 31, 2024		(6,615	)		(104	)		-		(6,719	)
Carrying Value
Balance, July 31, 2024	$	166,151		$	376,418		$	15,014	$	557,583
Balance, October 31, 2024	$	166,039		$	374,905		$	15,014	$	555,958

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

	Three Months Ended October 31,
	2024		2023
Permitting and compliance	$	290	$	883
Property maintenance		1,249		985
Exploration		4,917		2,402
Development		4,682		526
Extraction readiness		2,376		890
Total	$	13,514	$	5,686