Note 5 - Property, Plant and Equipment - Summary of Property, Plant and Equipment (Details) - USD ($) $ in Thousands	Oct. 31, 2024	Jul. 31, 2024
Cost	$ 29,714	$ 28,498
Accumulated Depreciation	(8,384)	(8,033)
Net Book Value	21,330	20,465
Plant and Processing Facilities [Member]
Cost	19,346	19,346
Accumulated Depreciation	(2,888)	(2,708)
Net Book Value	16,458	16,638
Mining Equipment [Member]
Cost	4,442	3,740
Accumulated Depreciation	(2,589)	(2,523)
Net Book Value	1,853	1,217
Logging Equipment and Vehicles [Member]
Cost	3,964	3,452
Accumulated Depreciation	(2,314)	(2,222)
Net Book Value	1,650	1,230
Computer Equipment [Member]
Cost	302	300
Accumulated Depreciation	(291)	(287)
Net Book Value	11	13
Furniture and Fixtures [Member]
Cost	243	243
Accumulated Depreciation	(194)	(190)
Net Book Value	49	53
Buildings [Member]
Cost	337	337
Accumulated Depreciation	(108)	(103)
Net Book Value	229	234
Land [Member]
Cost	1,080	1,080
Accumulated Depreciation	0	0
Net Book Value	$ 1,080	$ 1,080