Note 11 - Asset Retirement Obligations (Tables)

3 Months Ended

Oct. 31, 2022

Notes Tables

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

	October 31, 2022			July 31, 2022
Balance, beginning of period	$	17,276		$	3,939
Accretion		223			630
Assumed from U1A Acquisition		-			12,707
Assumed from Roughrider Acquisition (Note 4)		445			-
Assumed from UEX Acquisition (Note 3)		211			-
Rehabilitation expenditures		(6	)		-
Foreign exchange adjustment		(10	)		-
Balance, end of period		18,139			17,276
Asset retirement obligations, current		362			-
Asset retirement obligations, non-current	$	17,777		$	17,276

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

	October 31, 2022			July 31, 2022
Undiscounted amount of estimated cash flows		$29,212			$28,739
Payable in years	1	to	23	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%

Schedule Of Undiscounted Amounts Of Estimated Cash Flows [Table Text Block]

Fiscal 2023	$	362
Fiscal 2024		1,300
Fiscal 2025		1,472
Fiscal 2026		2,489
Fiscal 2027		2,509
Remaining balance		21,080
	$	29,212