Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Jul. 31, 2024	Jul. 31, 2023	Jul. 31, 2022
OPERATING ACTIVITIES
Net loss for the year	$ (29,221)	$ (3,307)	$ 5,252
Adjustments to reconcile net income (loss) to cash flows in operating activities
Share-Based Payment Arrangement, Noncash Expense	5,172	5,523	4,681
Depreciation, amortization and accretion	2,183	2,007	1,379
Amortization of long-term debt discount	0	0	525
(Income) loss from equity-accounted investment	(1,017)	994	(4,126)
Debt receivable recovery	0	0	(18,342)
Gain on settlement of debt receivable	0	0	(1,780)
(Gain) loss on disposition of assets	27	(20)	(6,427)
Impairment loss on mineral properties	0	112	0
Fair value (gain) loss on equity securities	(27,505)	13,083	1,351
(Gain) loss on revaluation of derivative liabilities	8,226	(3,293)	0
Gain on settlement of liabilities	0	(428)	0
Deferred tax expense (recovery)	(5,034)	870	(5)
Changes in operating assets and liabilities
Inventories	(69,626)	60,363	(37,206)
Prepaid expenses and deposits	(69)	583	(1,398)
Other current assets	(5)	383	17
Accounts payable and accrued liabilities	10,360	(4,355)	3,262
Other liabilities	22	58	(170)
NET CASH PROVIDED BY (USED IN) OPERATING ACTIVITIES	(106,487)	72,573	(52,987)
FINANCING ACTIVITIES
Proceeds from share issuances, net of issuance costs	176,708	66,527	168,014
Repayments of long-term debt	0	0	(10,000)
Repayments of other loans	0	(66)	(191)
Payments for withholding of employee taxes related to options, Restricted Stock Units ("RSUs") and Performance Based Restricted Stock Units ("PRSUs")	(3,632)	(1,044)	(557)
NET CASH PROVIDED BY FINANCING ACTIVITIES	173,076	65,417	157,266
INVESTING ACTIVITIES
Investment in mineral rights and properties	(1,440)	(101)	(590)
Purchase of property, plant and equipment	(1,988)	(555)	(620)
Capital contribution to equity-accounted investment	(2,876)	(1,415)	0
Purchase of additional interest in equity-accounted investment	(9,238)	0	0
Investment in equity securities	(12,115)	(47,192)	(15,215)
Proceeds from debt receivable recovery	0	0	9,171
Proceeds from sale of equity security	3,008	4,590	9,980
Proceeds from disposition of assets	8	26	19
NET CASH USED IN INVESTING ACTIVITIES	(24,641)	(124,780)	(110,843)
NET CHANGE IN CASH, CASH EQUIVALENTS AND RESTRICTED CASH	41,948	13,210	(6,564)
FOREIGN EXCHANGE DIFFERENCE ON CASH	(29)	(132)	0
CASH, CASH EQUIVALENTS AND RESTRICTED CASH, BEGINNING OF YEAR	52,865	39,787	46,351
CASH, CASH EQUIVALENTS AND RESTRICTED CASH, END OF YEAR	94,784	52,865	39,787
U1A Acquisition [Member]
INVESTING ACTIVITIES
Cash used in acquisition	0	0	(113,588)
Cash used in acquisition			(125,593)
UEX Corporation [Member]
INVESTING ACTIVITIES
Cash used in acquisition	0	1,984	0
Roughrider [Member]
INVESTING ACTIVITIES
Cash used in acquisition	$ 0	$ (82,117)	$ 0