Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Oct. 31, 2022	Oct. 31, 2021
OPERATING ACTIVITIES
Net loss for the period	$ (3,756)	$ (2,074)
Adjustments to reconcile net loss to cash flows in operating activities
Stock-based compensation	1,821	1,381
Depreciation, amortization and accretion	492	98
Amortization of long-term debt discount	0	266
Income from equity-accounted investment	(31)	(2,753)
Change in fair value of equity securities	3,466	(547)
Change in fair value of derivative liability	2,625	0
Deferred tax benefits	(29)	(1)
Changes in operating assets and liabilities
Inventories	37,405	(7,045)
Prepaid expenses and deposits	(87)	(577)
Other current assets	(139)	(2)
Accounts payable and accrued liabilities	(5,229)	(1,034)
Other liabilities	(7)	5
NET CASH PROVIDED BY (USED IN) OPERATING ACTIVITIES	36,531	(12,283)
FINANCING ACTIVITIES
Proceeds from share issuances, net of issuance costs	28,060	63,965
Repayments of other loans	(49)	(47)
Cash paid for withholding amounts on option exercise	(147)	0
NET CASH PROVIDED BY FINANCING ACTIVITIES	27,864	63,918
INVESTING ACTIVITIES
Investment in mineral rights and properties	0	(6)
Purchase of property, plant and equipment	(152)	(7)
Prepaid transaction costs	0	(176)
Investment in equity securities	0	(9,433)
Proceeds from sale of equity securities	0	9,980
NET CASH (USED IN) PROVIDED BY INVESTING ACTIVITIES	(75,783)	358
NET CHANGE IN CASH, CASH EQUIVALENTS AND RESTRICTED CASH	(11,388)	51,993
FOREIGN EXCHANGE DIFFERENCE ON CASH	(183)	0
CASH, CASH EQUIVALENTS AND RESTRICTED CASH, BEGINNING	39,787	46,350
CASH, CASH EQUIVALENTS AND RESTRICTED CASH, END	28,216	98,343
UEX Corporation [Member]
INVESTING ACTIVITIES
Acquisition of UEX, net of cash acquired	4,369	0
Roughrider [Member]
INVESTING ACTIVITIES
Acquisition of Roughrider	$ (80,000)	$ 0