Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Jul. 31, 2023	Jul. 31, 2022	Jul. 31, 2021
OPERATING ACTIVITIES
Net income (loss) for the year	$ (3,307)	$ 5,252	$ (14,813)
Adjustments to reconcile net income (loss) to cash flows in operating activities
Stock-based compensation	5,523	4,681	5,471
Depreciation, amortization and accretion	2,007	1,379	393
Amortization of long-term debt discount	0	525	1,376
Loss (income) from equity-accounted investment	994	(4,126)	(5,205)
Debt receivable recovery	0	(18,342)	0
Gain on settlement of debt receivable	0	(1,780)	0
(Gain) loss on disposition of assets	(20)	(6,427)	2
Impairment loss on mineral properties	112	0	0
Loss on revaluation of equity securities	13,083	1,351	0
Gain on revaluation of derivative liabilities	(3,293)	0	0
Gain on settlement of liabilities	(428)	0	(286)
Deferred tax recovery	868	(5)	(4)
Changes in operating assets and liabilities
Inventories	60,363	(37,206)	(28,961)
Prepaid expenses and deposits	583	(1,398)	(113)
Other current assets	383	17	(6)
Accounts payable and accrued liabilities	(4,353)	3,262	669
Other liabilities	58	(170)	7
NET CASH PROVIDED BY (USED IN) OPERATING ACTIVITIES	72,573	(52,987)	(41,470)
FINANCING ACTIVITIES
Proceeds from share issuances, net of issuance costs	66,527	168,014	95,436
Repayments of long-term debt	0	(10,000)	(10,000)
Repayments of other loans	(66)	(191)	(145)
Cash paid for withholding amounts on options, RSU and PRSU	(1,044)	(557)	(833)
NET CASH PROVIDED BY FINANCING ACTIVITIES	65,417	157,266	84,458
INVESTING ACTIVITIES
Investment in mineral rights and properties	(101)	(590)	(80)
Purchase of property, plant and equipment	(555)	(620)	(148)
Capital contribution to equity-accounted investment	(1,415)	0	0
Purchase of additional interest in equity-accounted investment	0	0	(3,397)
Investment in term deposits	0	0	(10,000)
Investment in equity securities	(47,192)	(15,215)	0
Proceeds from redemption of term deposits	0	0	10,000
Proceeds from debt receivable recovery	0	9,171	0
Proceeds from sale of equity security	4,590	9,980	0
Proceeds from disposition of assets	26	19	0
NET CASH USED IN INVESTING ACTIVITIES	(124,780)	(110,843)	(3,625)
NET CHANGE IN CASH, CASH EQUIVALENTS AND RESTRICTED CASH	13,210	(6,564)	39,363
FOREIGN EXCHANGE DIFFERENCE ON CASH	(132)	0	0
CASH, CASH EQUIVALENTS AND RESTRICTED CASH, BEGINNING OF YEAR	39,787	46,351	6,988
CASH, CASH EQUIVALENTS AND RESTRICTED CASH, END OF YEAR	52,865	39,787	46,351
U1A Acquisition [Member]
INVESTING ACTIVITIES
Cash used in acquisition	0	(113,588)	0
Cash used in acquisition		(125,593)
UEX Corporation [Member]
INVESTING ACTIVITIES
Cash used in acquisition	1,984	0	0
Roughrider [Member]
INVESTING ACTIVITIES
Cash used in acquisition	$ (82,117)	$ 0	$ 0