Note 13 - Asset Retirement Obligations (Tables)

12 Months Ended

Jul. 31, 2025

Notes Tables

Schedule of Change in Asset Retirement Obligation [Table Text Block]

	July 31, 2025			July 31, 2024
Balance, beginning of year	$	19,625		$	18,670
Accretion		1,654			988
Assumed from Sweetwater Acquisition (Note 5)		10,392			-
Addition		7,688			-
Liabilities settled in cash		(295	)		(33	)
Balance, end of year	$	39,064		$	19,625
Current asset retirement obligations		(5,160	)		(2,953	)
Non-current assets retirement obligations	$	33,904		$	16,672

Schedule Of Estimated Cash flow and Assumption Used For ARO [Table Text Block]

	July 31, 2025		July 31, 2024
Undiscounted amount of estimated cash flows	$	88,669	$	29,030
Payable in years		1 to 37		1 to 23
Inflation rate		1.56% to 5.32%		1.56% to 5.32%
Discount rate		3.72% to 6.35%		3.72% to 6.35%